Search results for "Insulation" in Home Design Ideas

This renovated brick rowhome in Boston’s South End offers a modern aesthetic within a historic structure, creative use of space, exceptional thermal comfort, a reduced carbon footprint, and a passive stream of income.
DESIGN PRIORITIES. The goals for the project were clear - design the primary unit to accommodate the family’s modern lifestyle, rework the layout to create a desirable rental unit, improve thermal comfort and introduce a modern aesthetic. We designed the street-level entry as a shared entrance for both the primary and rental unit. The family uses it as their everyday entrance - we planned for bike storage and an open mudroom with bench and shoe storage to facilitate the change from shoes to slippers or bare feet as they enter their home. On the main level, we expanded the kitchen into the dining room to create an eat-in space with generous counter space and storage, as well as a comfortable connection to the living space. The second floor serves as master suite for the couple - a bedroom with a walk-in-closet and ensuite bathroom, and an adjacent study, with refinished original pumpkin pine floors. The upper floor, aside from a guest bedroom, is the child's domain with interconnected spaces for sleeping, work and play. In the play space, which can be separated from the work space with new translucent sliding doors, we incorporated recreational features inspired by adventurous and competitive television shows, at their son’s request.
MODERN MEETS TRADITIONAL. We left the historic front facade of the building largely unchanged - the security bars were removed from the windows and the single pane windows were replaced with higher performing historic replicas. We designed the interior and rear facade with a vision of warm modernism, weaving in the notable period features. Each element was either restored or reinterpreted to blend with the modern aesthetic. The detailed ceiling in the living space, for example, has a new matte monochromatic finish, and the wood stairs are covered in a dark grey floor paint, whereas the mahogany doors were simply refinished. New wide plank wood flooring with a neutral finish, floor-to-ceiling casework, and bold splashes of color in wall paint and tile, and oversized high-performance windows (on the rear facade) round out the modern aesthetic.
RENTAL INCOME. The existing rowhome was zoned for a 2-family dwelling but included an undesirable, single-floor studio apartment at the garden level with low ceiling heights and questionable emergency egress. In order to increase the quality and quantity of space in the rental unit, we reimagined it as a two-floor, 1 or 2 bedroom, 2 bathroom apartment with a modern aesthetic, increased ceiling height on the lowest level and provided an in-unit washer/dryer. The apartment was listed with Jackie O'Connor Real Estate and rented immediately, providing the owners with a source of passive income.
ENCLOSURE WITH BENEFITS. The homeowners sought a minimal carbon footprint, enabled by their urban location and lifestyle decisions, paired with the benefits of a high-performance home. The extent of the renovation allowed us to implement a deep energy retrofit (DER) to address air tightness, insulation, and high-performance windows. The historic front facade is insulated from the interior, while the rear facade is insulated on the exterior. Together with these building enclosure improvements, we designed an HVAC system comprised of continuous fresh air ventilation, and an efficient, all-electric heating and cooling system to decouple the house from natural gas. This strategy provides optimal thermal comfort and indoor air quality, improved acoustic isolation from street noise and neighbors, as well as a further reduced carbon footprint. We also took measures to prepare the roof for future solar panels, for when the South End neighborhood’s aging electrical infrastructure is upgraded to allow them.
URBAN LIVING. The desirable neighborhood location allows the both the homeowners and tenant to walk, bike, and use public transportation to access the city, while each charging their respective plug-in electric cars behind the building to travel greater distances.
OVERALL. The understated rowhouse is now ready for another century of urban living, offering the owners comfort and convenience as they live life as an expression of their values.
Photography Eric Roth Photo

This modern green home offers both a vacation destination on Cape Cod near local family members and an opportunity for rental income.
FAMILY ROOTS. A West Coast couple living in the San Francisco Bay Area sought a permanent East Coast vacation home near family members living on Cape Cod. As academic professionals focused on sustainability, they sought a green, energy efficient home that was well-aligned with their values. With no green homes available for sale on Cape Cod, they decided to purchase land near their family and build their own.
SLOPED SITE. Comprised of a 3/4 acre lot nestled in the pines, the steeply sloping terrain called for a plan that embraced and took advantage of the slope. Of equal priority was optimizing solar exposure, preserving privacy from abutters, and creating outdoor living space. The design accomplished these goals with a simple, rectilinear form, offering living space on the both entry and lower/basement levels. The stepped foundation allows for a walk-out basement level with light-filled living space on the down-hill side of the home. The traditional basement on the eastern, up-hill side houses mechanical equipment and a home gym. The house welcomes natural light throughout, captures views of the forest, and delivers entertainment space that connects indoor living space to outdoor deck and dining patio.
MODERN VISION. The clean building form and uncomplicated finishes pay homage to the modern architectural legacy on the outer Cape. Durable and economical fiber cement panels, fixed with aluminum channels, clad the primary form. Cedar clapboards provide a visual accent at the south-facing living room, which extends a single roof plane to cover the entry porch.
SMART USE OF SPACE. On the entry level, the “L”-shaped living, dining, and kitchen space connects to the exterior living, dining, and grilling spaces to effectively double the home’s summertime entertainment area. Placed at the western end of the entry level (where it can retain privacy but still claim expansive downhill views) is the master suite with a built-in study. The lower level has two guest bedrooms, a second full bathroom, and laundry. The flexibility of the space—crucial in a house with a modest footprint—emerges in one of the guest bedrooms, which doubles as home office by opening the barn-style double doors to connect it to the bright, airy open stair leading up to the entry level. Thoughtful design, generous ceiling heights and large windows transform the modest 1,100 sf* footprint into a well-lit, spacious home. *(total finished space is 1800 sf)
RENTAL INCOME. The property works for its owners by netting rental income when the owners are home in San Francisco. The house especially caters to vacationers bound for nearby Mayo Beach and includes an outdoor shower adjacent to the lower level entry door. In contrast to the bare bones cottages that are typically available on the Cape, this home offers prospective tenants a modern aesthetic, paired with luxurious and green features. Durable finishes inside and out will ensure longevity with the heavier use that comes with a rental property.
COMFORT YEAR-ROUND. The home is super-insulated and air-tight, with mechanical ventilation to provide continuous fresh air from the outside. High performance triple-paned windows complement the building enclosure and maximize passive solar gain while ensuring a warm, draft-free winter, even when sitting close to the glass. A properly sized air source heat pump offers efficient heating & cooling, and includes a carefully designed the duct distribution system to provide even comfort throughout the house. The super-insulated envelope allows us to significantly reduce the equipment capacity, duct size, and airflow quantities, while maintaining unparalleled thermal comfort.
ENERGY EFFICIENT. The building’s shell and mechanical systems play instrumental roles in the home’s exceptional performance. The building enclosure reduces the most significant energy glutton: heating. Continuous super-insulation, thorough air sealing, triple-pane windows, and passive solar gain work together to yield a miniscule heating load. All active energy consumers are extremely efficient: an air source heat pump for heating and cooling, a heat pump hot water heater, LED lighting, energy recovery ventilation (ERV), and high efficiency appliances. The result is a home that uses 70% less energy than a similar new home built to code requirements.
OVERALL. The home embodies the owners’ goals and values while comprehensively enabling thermal comfort, energy efficiency, a vacation respite, and supplementary income.
PROJECT TEAM
ZeroEnergy Design - Architect & Mechanical Designer
A.F. Hultin & Co. - Contractor
Pamet Valley Landscape Design - Landscape & Masonry
Lisa Finch - Original Artwork
European Architectural Supply - Windows
Eric Roth Photography - Photography
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This renovated brick rowhome in Boston’s South End offers a modern aesthetic within a historic structure, creative use of space, exceptional thermal comfort, a reduced carbon footprint, and a passive stream of income.
DESIGN PRIORITIES. The goals for the project were clear - design the primary unit to accommodate the family’s modern lifestyle, rework the layout to create a desirable rental unit, improve thermal comfort and introduce a modern aesthetic. We designed the street-level entry as a shared entrance for both the primary and rental unit. The family uses it as their everyday entrance - we planned for bike storage and an open mudroom with bench and shoe storage to facilitate the change from shoes to slippers or bare feet as they enter their home. On the main level, we expanded the kitchen into the dining room to create an eat-in space with generous counter space and storage, as well as a comfortable connection to the living space. The second floor serves as master suite for the couple - a bedroom with a walk-in-closet and ensuite bathroom, and an adjacent study, with refinished original pumpkin pine floors. The upper floor, aside from a guest bedroom, is the child's domain with interconnected spaces for sleeping, work and play. In the play space, which can be separated from the work space with new translucent sliding doors, we incorporated recreational features inspired by adventurous and competitive television shows, at their son’s request.
MODERN MEETS TRADITIONAL. We left the historic front facade of the building largely unchanged - the security bars were removed from the windows and the single pane windows were replaced with higher performing historic replicas. We designed the interior and rear facade with a vision of warm modernism, weaving in the notable period features. Each element was either restored or reinterpreted to blend with the modern aesthetic. The detailed ceiling in the living space, for example, has a new matte monochromatic finish, and the wood stairs are covered in a dark grey floor paint, whereas the mahogany doors were simply refinished. New wide plank wood flooring with a neutral finish, floor-to-ceiling casework, and bold splashes of color in wall paint and tile, and oversized high-performance windows (on the rear facade) round out the modern aesthetic.
RENTAL INCOME. The existing rowhome was zoned for a 2-family dwelling but included an undesirable, single-floor studio apartment at the garden level with low ceiling heights and questionable emergency egress. In order to increase the quality and quantity of space in the rental unit, we reimagined it as a two-floor, 1 or 2 bedroom, 2 bathroom apartment with a modern aesthetic, increased ceiling height on the lowest level and provided an in-unit washer/dryer. The apartment was listed with Jackie O'Connor Real Estate and rented immediately, providing the owners with a source of passive income.
ENCLOSURE WITH BENEFITS. The homeowners sought a minimal carbon footprint, enabled by their urban location and lifestyle decisions, paired with the benefits of a high-performance home. The extent of the renovation allowed us to implement a deep energy retrofit (DER) to address air tightness, insulation, and high-performance windows. The historic front facade is insulated from the interior, while the rear facade is insulated on the exterior. Together with these building enclosure improvements, we designed an HVAC system comprised of continuous fresh air ventilation, and an efficient, all-electric heating and cooling system to decouple the house from natural gas. This strategy provides optimal thermal comfort and indoor air quality, improved acoustic isolation from street noise and neighbors, as well as a further reduced carbon footprint. We also took measures to prepare the roof for future solar panels, for when the South End neighborhood’s aging electrical infrastructure is upgraded to allow them.
URBAN LIVING. The desirable neighborhood location allows the both the homeowners and tenant to walk, bike, and use public transportation to access the city, while each charging their respective plug-in electric cars behind the building to travel greater distances.
OVERALL. The understated rowhouse is now ready for another century of urban living, offering the owners comfort and convenience as they live life as an expression of their values.
Eric Roth Photo

The 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.

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.

OVERVIEW
Set into a mature Boston area neighborhood, this sophisticated 2900SF home offers efficient use of space, expression through form, and myriad of green features.
MULTI-GENERATIONAL LIVING
Designed to accommodate three family generations, paired living spaces on the first and second levels are architecturally expressed on the facade by window systems that wrap the front corners of the house. Included are two kitchens, two living areas, an office for two, and two master suites.
CURB APPEAL
The home includes both modern form and materials, using durable cedar and through-colored fiber cement siding, permeable parking with an electric charging station, and an acrylic overhang to shelter foot traffic from rain.
FEATURE STAIR
An open stair with resin treads and glass rails winds from the basement to the third floor, channeling natural light through all the home’s levels.
LEVEL ONE
The first floor kitchen opens to the living and dining space, offering a grand piano and wall of south facing glass. A master suite and private ‘home office for two’ complete the level.
LEVEL TWO
The second floor includes another open concept living, dining, and kitchen space, with kitchen sink views over the green roof. A full bath, bedroom and reading nook are perfect for the children.
LEVEL THREE
The third floor provides the second master suite, with separate sink and wardrobe area, plus a private roofdeck.
ENERGY
The super insulated home features air-tight construction, continuous exterior insulation, and triple-glazed windows. The walls and basement feature foam-free cavity & exterior insulation. On the rooftop, a solar electric system helps offset energy consumption.
WATER
Cisterns capture stormwater and connect to a drip irrigation system. Inside the home, consumption is limited with high efficiency fixtures and appliances.
TEAM
Architecture & Mechanical Design – ZeroEnergy Design
Contractor – Aedi Construction
Photos – Eric Roth Photography

The 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.

Living room - coastal open concept medium tone wood floor living room idea in Providence with beige walls

Photo: Eric Rorer
Mountain style two-story wood exterior home photo in San Francisco
Mountain style two-story wood exterior home photo in San Francisco

The Mazama house is located in the Methow Valley of Washington State, a secluded mountain valley on the eastern edge of the North Cascades, about 200 miles northeast of Seattle.
The house has been carefully placed in a copse of trees at the easterly end of a large meadow. Two major building volumes indicate the house organization. A grounded 2-story bedroom wing anchors a raised living pavilion that is lifted off the ground by a series of exposed steel columns. Seen from the access road, the large meadow in front of the house continues right under the main living space, making the living pavilion into a kind of bridge structure spanning over the meadow grass, with the house touching the ground lightly on six steel columns. The raised floor level provides enhanced views as well as keeping the main living level well above the 3-4 feet of winter snow accumulation that is typical for the upper Methow Valley.
To further emphasize the idea of lightness, the exposed wood structure of the living pavilion roof changes pitch along its length, so the roof warps upward at each end. The interior exposed wood beams appear like an unfolding fan as the roof pitch changes. The main interior bearing columns are steel with a tapered “V”-shape, recalling the lightness of a dancer.
The house reflects the continuing FINNE investigation into the idea of crafted modernism, with cast bronze inserts at the front door, variegated laser-cut steel railing panels, a curvilinear cast-glass kitchen counter, waterjet-cut aluminum light fixtures, and many custom furniture pieces. The house interior has been designed to be completely integral with the exterior. The living pavilion contains more than twelve pieces of custom furniture and lighting, creating a totality of the designed environment that recalls the idea of Gesamtkunstverk, as seen in the work of Josef Hoffman and the Viennese Secessionist movement in the early 20th century.
The house has been designed from the start as a sustainable structure, with 40% higher insulation values than required by code, radiant concrete slab heating, efficient natural ventilation, large amounts of natural lighting, water-conserving plumbing fixtures, and locally sourced materials. Windows have high-performance LowE insulated glazing and are equipped with concealed shades. A radiant hydronic heat system with exposed concrete floors allows lower operating temperatures and higher occupant comfort levels. The concrete slabs conserve heat and provide great warmth and comfort for the feet.
Deep roof overhangs, built-in shades and high operating clerestory windows are used to reduce heat gain in summer months. During the winter, the lower sun angle is able to penetrate into living spaces and passively warm the exposed concrete floor. Low VOC paints and stains have been used throughout the house. The high level of craft evident in the house reflects another key principle of sustainable design: build it well and make it last for many years!
Photo by Benjamin Benschneider

OVERVIEW
Set into a mature Boston area neighborhood, this sophisticated 2900SF home offers efficient use of space, expression through form, and myriad of green features.
MULTI-GENERATIONAL LIVING
Designed to accommodate three family generations, paired living spaces on the first and second levels are architecturally expressed on the facade by window systems that wrap the front corners of the house. Included are two kitchens, two living areas, an office for two, and two master suites.
CURB APPEAL
The home includes both modern form and materials, using durable cedar and through-colored fiber cement siding, permeable parking with an electric charging station, and an acrylic overhang to shelter foot traffic from rain.
FEATURE STAIR
An open stair with resin treads and glass rails winds from the basement to the third floor, channeling natural light through all the home’s levels.
LEVEL ONE
The first floor kitchen opens to the living and dining space, offering a grand piano and wall of south facing glass. A master suite and private ‘home office for two’ complete the level.
LEVEL TWO
The second floor includes another open concept living, dining, and kitchen space, with kitchen sink views over the green roof. A full bath, bedroom and reading nook are perfect for the children.
LEVEL THREE
The third floor provides the second master suite, with separate sink and wardrobe area, plus a private roofdeck.
ENERGY
The super insulated home features air-tight construction, continuous exterior insulation, and triple-glazed windows. The walls and basement feature foam-free cavity & exterior insulation. On the rooftop, a solar electric system helps offset energy consumption.
WATER
Cisterns capture stormwater and connect to a drip irrigation system. Inside the home, consumption is limited with high efficiency fixtures and appliances.
TEAM
Architecture & Mechanical Design – ZeroEnergy Design
Contractor – Aedi Construction
Photos – Eric Roth Photography

Living room - traditional dark wood floor living room idea in Tampa with white walls, a standard fireplace and a brick fireplace

This LEED Platinum certified house reflects the homeowner's desire for an exceptionally healthy and comfortable living environment, within a traditional neighborhood.
INFILL SITE. The family, who moved from another area of Wellesley, sought out this property to be within walking distance of the high school and downtown area. An existing structure on the tight lot was removed to make way for the new home. 84% of the construction waste, from both the previous structure and the new home, was diverted from a landfill. ZED designed to preserve the existing mature trees on the perimeter of the property to minimize site impacts, and to maintain the character of the neighborhood as well as privacy on the site.
EXTERIOR EXPRESSION. The street facade of the home relates to the local New England vernacular. The rear uses contemporary language, a nod to the family’s Californian roots, to incorporate a roof deck, solar panels, outdoor living space, and the backyard swimming pool. ZED’s careful planning avoided to the need to face the garage doors towards the street, a common syndrome of a narrow lot.
THOUGHTFUL SPACE. Homes with dual entries can often result in duplicate and unused spaces. In this home, the everyday and formal entry areas are one and the same; the front and garage doors share the entry program of coat closets, mudroom storage with bench for removing your shoes, and a laundry room with generous closets for the children's sporting equipment. The entry area leads directly to the living space, encompassing the kitchen, dining and sitting area areas in an L-shaped open plan arrangement. The kitchen is placed at the south-west corner of the space to allow for a strong connection to the dining, sitting and outdoor living spaces. A fire pit on the deck satisfies the family’s desire for an open flame while a sealed gas fireplace is used indoors - ZED’s preference after omitting gas burning appliances completely from an airtight home. A small study, with a window seat, is conveniently located just off of the living space. A first floor guest bedroom includes an accessible bathroom for aging visitors and can be used as a master suite to accommodate aging in place.
HEALTHY LIVING. The client requested a home that was easy to clean and would provide a respite from seasonal allergies and common contaminants that are found in many indoor spaces. ZED selected easy to clean solid surface flooring throughout, provided ample space for cleaning supplies on each floor, and designed a mechanical system with ventilation that provides a constant supply of fresh outdoor air. ZED selected durable materials, finishes, cabinetry, and casework with low or no volatile organic compounds (VOCs) and no added urea formaldehyde.
YEAR-ROUND COMFORT. The home is super insulated and air-tight, paired with high performance triple-paned windows, to ensure it is draft-free throughout the winter (even when in front of the large windows and doors). ZED designed a right-sized heating and cooling system to pair with the thermally improved building enclosure to ensure year-round comfort. The glazing on the home maximizes passive solar gains, and facilitates cross ventilation and daylighting.
ENERGY EFFICIENT. As one of the most energy efficient houses built to date in Wellesley, the home highlights a practical solution for Massachusetts. First, the building enclosure reduces the largest energy requirement for typical houses (heating). Super-insulation, exceptional air sealing, a thermally broken wall assembly, triple pane windows, and passive solar gain combine for a sizable heating load reduction. Second, within the house only efficient systems consume energy. These include an air source heat pump for heating & cooling, a heat pump hot water heater, LED lighting, energy recovery ventilation, and high efficiency appliances. Lastly, photovoltaics provide renewable energy help offset energy consumption. The result is an 89% reduction in energy use compared to a similar brand new home built to code requirements.
RESILIENT. The home will fare well in extreme weather events. During a winter power outage, heat loss will be very slow due to the super-insulated and airtight envelope– taking multiple days to drop to 60 degrees even with no heat source. An engineered drainage system, paired with careful the detailing of the foundation, will help to keep the finished basement dry. A generator will provide full operation of the all-electric house during a power outage.
OVERALL. The home is a reflection of the family goals and an expression of their values, beautifully enabling health, comfort, safety, resilience, and utility, all while respecting the planet.
ZED - Architect & Mechanical Designer
Bevilacqua Builders Inc - Contractor
Creative Land & Water Engineering - Civil Engineering
Barbara Peterson Landscape - Landscape Design
Nest & Company - Interior Furnishings
Eric Roth Photography - Photography

Photography by Linda Oyama Bryan
Example of a small trendy backyard deck design in Other with no cover
Example of a small trendy backyard deck design in Other with no cover

View from Dining room to pasture beyond at the Lincoln Net Zero House,
photography by Dan Cutrona
Large trendy medium tone wood floor and brown floor kitchen/dining room combo photo in Boston with beige walls
Large trendy medium tone wood floor and brown floor kitchen/dining room combo photo in Boston with beige walls

Jack Michaud Photography
Example of a transitional freestanding desk medium tone wood floor home studio design in Portland Maine with gray walls
Example of a transitional freestanding desk medium tone wood floor home studio design in Portland Maine with gray walls

Timber frame homes offer unique challenges during a remodel. What often makes them beautiful and attractive to most homeowners, also makes them challenging for space requirements.
Context: The lovely couple that owned this home were struggling with some interesting floor plan challenges that just didn't work for their family. The loved the beautiful timbers and woodwork of their home, but the dramatically sloping ceilings on the second floor, particularly in the bathroom, just didn't work for this 1 1/2 bath home. Needing to use the skylight to approach the toilet was a less then ideal scenario. Although the bathroom footprint was more then adequate, the sloped ceiling only made half of the space useable. Check out the Before/After post on our blog to see the photos of the house pre-renovation. As much as they loved all the wood features in their home, another challenge they had was light. The wood ceiling made everything inside the house darker, even with a fantastic array of south facing windows, there were spaces in the home that felt dark and small. When they contacted us they wanted to know how could they make their brighter and more inviting, were there solutions to the 2nd floor sloped ceiling issues, and if they were going to do all of this work, how could they make their home more comfortable and efficient. A nagging water leak in the upstairs bathroom spurred them into action and here is how we solved their dilemma.
Conclusion: First, we added a little dormer to the rear of the house so we could get full headroom in nearly all of the upstairs bathroom! Then we decided to extend that dormer one more timber bay over to create a walk in closet with natural light and plenty of space. Since we were contemplating energy efficiency, we resolved a nagging issue that is present in a lot of timber frame construction, air tightness. Commonly found in timber frame construction, fiberglass insulation is installed in the rafter bays and board ceilings are installed over top. Unfortunately, board ceilings are anything but air tight, and fiberglass insulation needs to be in an airtight cavity for maximum effectiveness. So we were able to solve two issues at the same time for this homeowner. We removed the board ceiling and fiberglass insulation, we dense packed the rafter bays with cellulose insulation, and installed sheetrock in place of the boards. The boards were salvaged for re-use by the homeowner, and the space and light quality was dramatically improved. Some may think that losing the board ceiling took something away from the space, but what you'll see in the pictures is that it highly accentuates the heavy timbers and really makes them stand out in a beautiful way. Now with this added airtightness, better insulation, and brighter space, the homeowner hardly runs their wood stove, and it's so quiet in the space, an added bonus from changing the insulation. It became necessary to also add a sheetrock ceiling to the living room to hide the plumbing from the new bathroom layout above. Changing this ceiling gave the homeowner some real quality lighting that was lacking in the living room before. The brighter ceiling and new lighting layout completely transforms the living room into a space you want to hang out, even though the layout didn't change at all. When the homeowner saw the finished spaces she said "I can't believe this is my house, I want to live in this house"
Energy Efficiency: I touched a little on the efficiency above, but like all projects done with Mottram Architecture, we always want to leave you with a little extra. Timber frame construction with board ceilings and fiberglass insulation are notoriously leaky! If you want to know what we think about fiberglass insulation, check our our blog post on Why Fiberglass Insulation Sucks. By installing cellulose insulation and covering it with sheetrock we were able to greatly reduce the heat flowing out of this home. It not only improves cashflow it improves the comfort level in the space. Who wants to sit in their living room and feel a draft? Let us remind you, we are not saying cellulose insulation is an air barrier, we use the sheetrock to help with that, but it does significantly reduce the air flow over fiberglass insulation. And when we reduce the airflow, we reduce the heat flow. And when we reduce the heat flow, we reduce the need to re-heat that drafty air from outside. When it comes to energy efficiency the first and best place to start is air infiltration. We greatly reduced the air infiltration with the new insulation, but we also added a hat and warm boots. What I mean by that is, we improved the insulation in the roof, and we installed insulation in the basement. Maybe it's a silly analogy, but when you think about keeping warm, we always start with the hat and boots! With sustainability in mind, the next project will be to add a deck to the front of this house with rain catchment barrels from the metal roof. They are planning to plant a garden in the spring and the rain catchment system will help to irrigate the new garden.
Builder: East Shore Builders
Photographer: Michael Eric Berube

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