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Bellingham Bay BuildersThe Twin Peaks Passive House + ADU was designed and built to remain resilient in the face of natural disasters. Fortunately, the same great building strategies and design that provide resilience also provide a home that is incredibly comfortable and healthy while also visually stunning.
This home’s journey began with a desire to design and build a house that meets the rigorous standards of Passive House. Before beginning the design/ construction process, the homeowners had already spent countless hours researching ways to minimize their global climate change footprint. As with any Passive House, a large portion of this research was focused on building envelope design and construction. The wall assembly is combination of six inch Structurally Insulated Panels (SIPs) and 2x6 stick frame construction filled with blown in insulation. The roof assembly is a combination of twelve inch SIPs and 2x12 stick frame construction filled with batt insulation. The pairing of SIPs and traditional stick framing allowed for easy air sealing details and a continuous thermal break between the panels and the wall framing.
Beyond the building envelope, a number of other high performance strategies were used in constructing this home and ADU such as: battery storage of solar energy, ground source heat pump technology, Heat Recovery Ventilation, LED lighting, and heat pump water heating technology.
In addition to the time and energy spent on reaching Passivhaus Standards, thoughtful design and carefully chosen interior finishes coalesce at the Twin Peaks Passive House + ADU into stunning interiors with modern farmhouse appeal. The result is a graceful combination of innovation, durability, and aesthetics that will last for a century to come.
Despite the requirements of adhering to some of the most rigorous environmental standards in construction today, the homeowners chose to certify both their main home and their ADU to Passive House Standards. From a meticulously designed building envelope that tested at 0.62 ACH50, to the extensive solar array/ battery bank combination that allows designated circuits to function, uninterrupted for at least 48 hours, the Twin Peaks Passive House has a long list of high performance features that contributed to the completion of this arduous certification process. The ADU was also designed and built with these high standards in mind. Both homes have the same wall and roof assembly ,an HRV, and a Passive House Certified window and doors package. While the main home includes a ground source heat pump that warms both the radiant floors and domestic hot water tank, the more compact ADU is heated with a mini-split ductless heat pump. The end result is a home and ADU built to last, both of which are a testament to owners’ commitment to lessen their impact on the environment.
Bellingham Bay BuildersThe Twin Peaks Passive House + ADU was designed and built to remain resilient in the face of natural disasters. Fortunately, the same great building strategies and design that provide resilience also provide a home that is incredibly comfortable and healthy while also visually stunning.
This home’s journey began with a desire to design and build a house that meets the rigorous standards of Passive House. Before beginning the design/ construction process, the homeowners had already spent countless hours researching ways to minimize their global climate change footprint. As with any Passive House, a large portion of this research was focused on building envelope design and construction. The wall assembly is combination of six inch Structurally Insulated Panels (SIPs) and 2x6 stick frame construction filled with blown in insulation. The roof assembly is a combination of twelve inch SIPs and 2x12 stick frame construction filled with batt insulation. The pairing of SIPs and traditional stick framing allowed for easy air sealing details and a continuous thermal break between the panels and the wall framing.
Beyond the building envelope, a number of other high performance strategies were used in constructing this home and ADU such as: battery storage of solar energy, ground source heat pump technology, Heat Recovery Ventilation, LED lighting, and heat pump water heating technology.
In addition to the time and energy spent on reaching Passivhaus Standards, thoughtful design and carefully chosen interior finishes coalesce at the Twin Peaks Passive House + ADU into stunning interiors with modern farmhouse appeal. The result is a graceful combination of innovation, durability, and aesthetics that will last for a century to come.
Despite the requirements of adhering to some of the most rigorous environmental standards in construction today, the homeowners chose to certify both their main home and their ADU to Passive House Standards. From a meticulously designed building envelope that tested at 0.62 ACH50, to the extensive solar array/ battery bank combination that allows designated circuits to function, uninterrupted for at least 48 hours, the Twin Peaks Passive House has a long list of high performance features that contributed to the completion of this arduous certification process. The ADU was also designed and built with these high standards in mind. Both homes have the same wall and roof assembly ,an HRV, and a Passive House Certified window and doors package. While the main home includes a ground source heat pump that warms both the radiant floors and domestic hot water tank, the more compact ADU is heated with a mini-split ductless heat pump. The end result is a home and ADU built to last, both of which are a testament to owners’ commitment to lessen their impact on the environment.
Bellingham Bay BuildersThe Twin Peaks Passive House + ADU was designed and built to remain resilient in the face of natural disasters. Fortunately, the same great building strategies and design that provide resilience also provide a home that is incredibly comfortable and healthy while also visually stunning.
This home’s journey began with a desire to design and build a house that meets the rigorous standards of Passive House. Before beginning the design/ construction process, the homeowners had already spent countless hours researching ways to minimize their global climate change footprint. As with any Passive House, a large portion of this research was focused on building envelope design and construction. The wall assembly is combination of six inch Structurally Insulated Panels (SIPs) and 2x6 stick frame construction filled with blown in insulation. The roof assembly is a combination of twelve inch SIPs and 2x12 stick frame construction filled with batt insulation. The pairing of SIPs and traditional stick framing allowed for easy air sealing details and a continuous thermal break between the panels and the wall framing.
Beyond the building envelope, a number of other high performance strategies were used in constructing this home and ADU such as: battery storage of solar energy, ground source heat pump technology, Heat Recovery Ventilation, LED lighting, and heat pump water heating technology.
In addition to the time and energy spent on reaching Passivhaus Standards, thoughtful design and carefully chosen interior finishes coalesce at the Twin Peaks Passive House + ADU into stunning interiors with modern farmhouse appeal. The result is a graceful combination of innovation, durability, and aesthetics that will last for a century to come.
Despite the requirements of adhering to some of the most rigorous environmental standards in construction today, the homeowners chose to certify both their main home and their ADU to Passive House Standards. From a meticulously designed building envelope that tested at 0.62 ACH50, to the extensive solar array/ battery bank combination that allows designated circuits to function, uninterrupted for at least 48 hours, the Twin Peaks Passive House has a long list of high performance features that contributed to the completion of this arduous certification process. The ADU was also designed and built with these high standards in mind. Both homes have the same wall and roof assembly ,an HRV, and a Passive House Certified window and doors package. While the main home includes a ground source heat pump that warms both the radiant floors and domestic hot water tank, the more compact ADU is heated with a mini-split ductless heat pump. The end result is a home and ADU built to last, both of which are a testament to owners’ commitment to lessen their impact on the environment.
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KohlMark Architects and BuildersThe design of this home was driven by the owners’ desire for a three-bedroom waterfront home that showcased the spectacular views and park-like setting. As nature lovers, they wanted their home to be organic, minimize any environmental impact on the sensitive site and embrace nature.
This unique home is sited on a high ridge with a 45° slope to the water on the right and a deep ravine on the left. The five-acre site is completely wooded and tree preservation was a major emphasis. Very few trees were removed and special care was taken to protect the trees and environment throughout the project. To further minimize disturbance, grades were not changed and the home was designed to take full advantage of the site’s natural topography. Oak from the home site was re-purposed for the mantle, powder room counter and select furniture.
The visually powerful twin pavilions were born from the need for level ground and parking on an otherwise challenging site. Fill dirt excavated from the main home provided the foundation. All structures are anchored with a natural stone base and exterior materials include timber framing, fir ceilings, shingle siding, a partial metal roof and corten steel walls. Stone, wood, metal and glass transition the exterior to the interior and large wood windows flood the home with light and showcase the setting. Interior finishes include reclaimed heart pine floors, Douglas fir trim, dry-stacked stone, rustic cherry cabinets and soapstone counters.
Exterior spaces include a timber-framed porch, stone patio with fire pit and commanding views of the Occoquan reservoir. A second porch overlooks the ravine and a breezeway connects the garage to the home.
Numerous energy-saving features have been incorporated, including LED lighting, on-demand gas water heating and special insulation. Smart technology helps manage and control the entire house.
Greg Hadley Photography
KohlMark Architects and BuildersThe design of this home was driven by the owners’ desire for a three-bedroom waterfront home that showcased the spectacular views and park-like setting. As nature lovers, they wanted their home to be organic, minimize any environmental impact on the sensitive site and embrace nature.
This unique home is sited on a high ridge with a 45° slope to the water on the right and a deep ravine on the left. The five-acre site is completely wooded and tree preservation was a major emphasis. Very few trees were removed and special care was taken to protect the trees and environment throughout the project. To further minimize disturbance, grades were not changed and the home was designed to take full advantage of the site’s natural topography. Oak from the home site was re-purposed for the mantle, powder room counter and select furniture.
The visually powerful twin pavilions were born from the need for level ground and parking on an otherwise challenging site. Fill dirt excavated from the main home provided the foundation. All structures are anchored with a natural stone base and exterior materials include timber framing, fir ceilings, shingle siding, a partial metal roof and corten steel walls. Stone, wood, metal and glass transition the exterior to the interior and large wood windows flood the home with light and showcase the setting. Interior finishes include reclaimed heart pine floors, Douglas fir trim, dry-stacked stone, rustic cherry cabinets and soapstone counters.
Exterior spaces include a timber-framed porch, stone patio with fire pit and commanding views of the Occoquan reservoir. A second porch overlooks the ravine and a breezeway connects the garage to the home.
Numerous energy-saving features have been incorporated, including LED lighting, on-demand gas water heating and special insulation. Smart technology helps manage and control the entire house.
Greg Hadley Photography
Tom Bassett-Dilley Architect, Ltd.Photography by Natalie Marotta
Bungalows are lovable homes, but how can they be better? Along with many of our clients, we find that older (early 20th c.) homes have a lot of character and a comfortable scale, but are leaky, damp (especially in the basement), have fair to poor air quality, and use unconscionable amounts of fossil fuels to heat. The owners of this bungalow were ready to change that, and wanted to do so with minimal upfront carbon emissions as well.
The gut renovation included replacing the basement slab and providing capillary breaks and insulation continuously below grade. The brick structure was treated with a fluid-applied air and water barrier from the interior and insulated entirely with cellulose, a carbon-storing insulation. The roof used HFO-blown spray foam to provide sufficient insulation while allowing headroom for bedrooms, bathrooms, and laundry.
One great benefit of a full renovation is the possibility of reconfiguring spaces to suit the family’s lifestyle, and to make the best of indoor-outdoor connections. We opened up the main rooms on the first floor, creating a family gathering spot with a view to the back yard, and a spacious kitchen that supports the family’s commitment to cooking for healthy eating. The stair uses a north-facing skylight to bring light from above into the middle of the home, where it was previously dark.
As a decarbonization retrofit, the inefficient furnace was replaced with two small ducted heat pump systems, water heating and clothes drying are powered by air-source heat pumps, and cooking uses an induction cooktop plus electric ovens. Energy recovery ventilation provides filtered fresh air continuous exhaust from the kitchen, baths, and laundry, and supplies fresh, highly filtered air to bedrooms and living spaces.
The Better Bungalow now makes sense for the 21st century–it now fits the owners’ life-patterns, is super comfortable, has great air quality, and uses a fraction of the energy it did before, greatly lowering the demand on the utility grid. In the near future, when solar PV is installed, it can achieve net zero or near net zero emissions, and with battery backup, can provide great resilience in the event of power outages.
BARRETT STUDIO architectsUnder our client’s encouragement and desire for a near zero-energy design, this hybrid home is a skillful integration of modern architecture and sustainable building science.
The design weaves natural materials and clean visual detailing to achieve an organic modern aesthetic while applying OVE (Optimum Value Engineering) framing techniques, insulation over the sheathing, sprayed foam insulation, and blower door testing to construct a tight building envelope, thus minimizing energy impact.
The building systems include passive solar design, directionally tuned glazing, high efficiency multi-zoned radiant heat, EPA approved biomass heat, and solar thermal / photovoltaic panels for energy generation.
The result is a beautiful, near zero-energy urban home.
To reach this goal, the design weaves natural materials and clean visual detailing to achieve an organic modern aesthetic while applying OVE (Optimum Value Engineering) framing techniques, insulation over the sheathing, sprayed foam insulation, and blower door testing to construct a tight building envelope, thus minimizing energy impact. The building systems include Passive solar design, directionally tuned glazing, high efficiency multi-zoned radiant heat, EPA approved biomass heat, and solar thermal / photovoltaic panels for energy generation. Continuing the conscious systems approach in HVAC, an HRV (Hear Recovery Ventilator) and high SEER (Seasonal Energy Efficiency Rating) AC system couple with natural ventilation through motorized awning windows.
The result is a beautiful, near zero-energy urban home that embraces its owners’ ecological sensibilities as it embraces a private courtyard haven.
BARRETT STUDIO architectsUnder our client’s encouragement and desire for a near zero-energy design, this hybrid home is a skillful integration of modern architecture and sustainable building science.
The design weaves natural materials and clean visual detailing to achieve an organic modern aesthetic while applying OVE (Optimum Value Engineering) framing techniques, insulation over the sheathing, sprayed foam insulation, and blower door testing to construct a tight building envelope, thus minimizing energy impact.
The building systems include passive solar design, directionally tuned glazing, high efficiency multi-zoned radiant heat, EPA approved biomass heat, and solar thermal / photovoltaic panels for energy generation.
The result is a beautiful, near zero-energy urban home.
To reach this goal, the design weaves natural materials and clean visual detailing to achieve an organic modern aesthetic while applying OVE (Optimum Value Engineering) framing techniques, insulation over the sheathing, sprayed foam insulation, and blower door testing to construct a tight building envelope, thus minimizing energy impact. The building systems include Passive solar design, directionally tuned glazing, high efficiency multi-zoned radiant heat, EPA approved biomass heat, and solar thermal / photovoltaic panels for energy generation. Continuing the conscious systems approach in HVAC, an HRV (Hear Recovery Ventilator) and high SEER (Seasonal Energy Efficiency Rating) AC system couple with natural ventilation through motorized awning windows.
The result is a beautiful, near zero-energy urban home that embraces its owners’ ecological sensibilities as it embraces a private courtyard haven.
KohlMark Architects and BuildersThe design of this home was driven by the owners’ desire for a three-bedroom waterfront home that showcased the spectacular views and park-like setting. As nature lovers, they wanted their home to be organic, minimize any environmental impact on the sensitive site and embrace nature.
This unique home is sited on a high ridge with a 45° slope to the water on the right and a deep ravine on the left. The five-acre site is completely wooded and tree preservation was a major emphasis. Very few trees were removed and special care was taken to protect the trees and environment throughout the project. To further minimize disturbance, grades were not changed and the home was designed to take full advantage of the site’s natural topography. Oak from the home site was re-purposed for the mantle, powder room counter and select furniture.
The visually powerful twin pavilions were born from the need for level ground and parking on an otherwise challenging site. Fill dirt excavated from the main home provided the foundation. All structures are anchored with a natural stone base and exterior materials include timber framing, fir ceilings, shingle siding, a partial metal roof and corten steel walls. Stone, wood, metal and glass transition the exterior to the interior and large wood windows flood the home with light and showcase the setting. Interior finishes include reclaimed heart pine floors, Douglas fir trim, dry-stacked stone, rustic cherry cabinets and soapstone counters.
Exterior spaces include a timber-framed porch, stone patio with fire pit and commanding views of the Occoquan reservoir. A second porch overlooks the ravine and a breezeway connects the garage to the home.
Numerous energy-saving features have been incorporated, including LED lighting, on-demand gas water heating and special insulation. Smart technology helps manage and control the entire house.
Greg Hadley Photography
KohlMark Architects and BuildersThe design of this home was driven by the owners’ desire for a three-bedroom waterfront home that showcased the spectacular views and park-like setting. As nature lovers, they wanted their home to be organic, minimize any environmental impact on the sensitive site and embrace nature.
This unique home is sited on a high ridge with a 45° slope to the water on the right and a deep ravine on the left. The five-acre site is completely wooded and tree preservation was a major emphasis. Very few trees were removed and special care was taken to protect the trees and environment throughout the project. To further minimize disturbance, grades were not changed and the home was designed to take full advantage of the site’s natural topography. Oak from the home site was re-purposed for the mantle, powder room counter and select furniture.
The visually powerful twin pavilions were born from the need for level ground and parking on an otherwise challenging site. Fill dirt excavated from the main home provided the foundation. All structures are anchored with a natural stone base and exterior materials include timber framing, fir ceilings, shingle siding, a partial metal roof and corten steel walls. Stone, wood, metal and glass transition the exterior to the interior and large wood windows flood the home with light and showcase the setting. Interior finishes include reclaimed heart pine floors, Douglas fir trim, dry-stacked stone, rustic cherry cabinets and soapstone counters.
Exterior spaces include a timber-framed porch, stone patio with fire pit and commanding views of the Occoquan reservoir. A second porch overlooks the ravine and a breezeway connects the garage to the home.
Numerous energy-saving features have been incorporated, including LED lighting, on-demand gas water heating and special insulation. Smart technology helps manage and control the entire house.
Greg Hadley Photography
Robert M. Cain, ArchitectHolly Hill, a retirement home, whose owner's hobbies are gardening and restoration of classic cars, is nestled into the site contours to maximize views of the lake and minimize impact on the site.
Holly Hill is comprised of three wings joined by bridges: A wing facing a master garden to the east, another wing with workshop and a central activity, living, dining wing. Similar to a radiator the design increases the amount of exterior wall maximizing opportunities for natural ventilation during temperate months.
Other passive solar design features will include extensive eaves, sheltering porches and high-albedo roofs, as strategies for considerably reducing solar heat gain.
Daylighting with clerestories and solar tubes reduce daytime lighting requirements. Ground source geothermal heat pumps and superior to code insulation ensure minimal space conditioning costs. Corten steel siding and concrete foundation walls satisfy client requirements for low maintenance and durability. All light fixtures are LEDs.
Open and screened porches are strategically located to allow pleasant outdoor use at any time of day, particular season or, if necessary, insect challenge. Dramatic cantilevers allow the porches to project into the site’s beautiful mixed hardwood tree canopy without damaging root systems.
Guest arrive by vehicle with glimpses of the house and grounds through penetrations in the concrete wall enclosing the garden. One parked they are led through a garden composed of pavers, a fountain, benches, sculpture and plants. Views of the lake can be seen through and below the bridges.
Primary client goals were a sustainable low-maintenance house, primarily single floor living, orientation to views, natural light to interiors, maximization of individual privacy, creation of a formal outdoor space for gardening, incorporation of a full workshop for cars, generous indoor and outdoor social space for guests and parties.
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Studio Z DesignThe potential of converting six laneway parking spaces at the back of the property into housing was apparent to architect Zuzanna Krykorka from the moment she laid eyes on the Parkdale, Toronto house her family ended up purchasing in 2018.
Unique for a laneway house, the house has windows on all sides, bringing in lot of natural light while also interacting with the life of a city laneway. The "lit" house at night makes it obvious that this is an inhabited living space, occupants becoming part of the neighbourhood rather than tucked away in secret.
The ground floor is a light-filled open-plan kitchen, dining and living room with views to the backyard framed by 3 massive 150 year old maple trees. Upstairs a spa-inspired bathroom with a large skylight surrounded by the tree canopy. Looking in either direction reveals that the central hall lines up with the north and south second-floor windows, again a nod to the house's laneway origins.
Construction details follow passive house principles. The large window at the top of the stairs— again framing a view of the sky—is a feature called "the oculus." By night, the oculus glows warmly from the outside, while during the day it can be opened so as to function as a cooling shaft. Heating is provided by in-floor hydronic radiant on both floors powered by an electric boiler. A heat pump water heater does the domestic hot water. Meanwhile, dense-pack cellulose insulation retains this heat during the winter and minimizes the need for air-conditioning in the summer.
But this system doesn't mean a stuffy interior: ventilation is enabled by Lunos "breathing wall" technology, a through-wall variable system that is coupled with a ceramic regenerative heat exchanger. Operating in pairs, these devices are installed directly through an exterior wall and provide continuous circulation without the need for duct-work, all of which has the added benefit of furthering the open, clean design aesthetic.
The laneway house sits comfortably among the many garages of this Parkdale lane. With its steel roof, wood siding and dark robust exterior, it wears its Toronto garage vernacular proudly, an active part of the laneway urban environment.
Project Details:
Area: 1020 sf; 2 storey
Height: 2 stories; 6m
Rooms: 2 bedrooms, 1 bathroom, 1 powder room, open ground floor concept
Mechanical: in floor hydronic heating both floors, electric boiler, separate domestic hot water heat pump water heater, 2 ductless mini split heat pump units upstairs
Insulation: dense pack cellulose insulation, walls and ceiling,
Roofing: corrugated metal roof
Windows: triple pane high performance windows from Kastrup, Denmark
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
Kaplan Thompson ArchitectsContext
Norbert and Robin had dreamed of retiring in a Passive House-certified home overlooking the Lubberland Creek Preserve in Southeastern New Hampshire, and they’d done their homework. They were interested in using four integrated Zehnder America (www.zehnderamerica.com) technologies to make the 1,900 square foot home extremely energy efficient.
They didn’t miss any opportunity to innovate or raise the bar on sustainable design. Our goals were focused on guaranteeing their comfort in every season, saving them money on a fixed income, and reducing the home’s overall impact on the environment as much as possible.
Response
The home faces directly south and captures sunlight all winter under tall and vaulted ceilings and a continuous band of slim-lined, Italian triple-pane windows and doors that provide gorgeous views of the wild preserve. A second-story office nook and clerestory provide even deeper views, with a little more privacy.
Zehnder, which previously sold its innovative products only in Europe, took on the project as a test house. We designed around Zehnder’s vent-based systems, including a geothermal heat loop that heats and cools incoming air, a heat pump cooling system, electric towel-warmer radiators in the bathrooms, and a highly efficient energy recovery ventilator, which recycles heat and minimizes the need for air conditioning. The house effectively has no conventional heating system—and doesn’t need it. We also looked for efficiencies and smart solutions everywhere, from the lights to the windows to the insulation.
The kitchen exhaust hood eliminates, cleans, and recirculates cooking fumes in the home’s unique kitchen, custom-designed to match the ways Norbert likes to prepare meals. There are several countertop heights so they can prep and clean comfortably, and the eat-in kitchen also has two seating heights so people can sit and socialize while they’re working on dinner. An adjacent screened porch greets guests and opens to the view.
A roof-mounted solar system helps to ensure that the home generates more energy than it consumes—helped by features such as a heat pump water heater, superinsulation, LED lights and a polished concrete floor that helps regulate indoor temperatures.
Photo credit Chris Smith
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