Old bath/shower Storage.
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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.

Patio kitchen - large traditional backyard concrete paver patio kitchen idea in Los Angeles with a pergola

Bathroom - transitional bathroom idea in DC Metro

Large elegant backyard concrete paver patio kitchen photo in Los Angeles with a pergola

Featuring a sleek, clean-face design and a modern, smooth refractory-lined firebox, the WRT4820 adds a touch of sophisticated elegance to any room. Aesthetics Smooth refractory-lined firebox creates a contemporary appearance that exudes style. Single rectangular black door allows for an unobstructed view of the fire. Streamlined Meets EPA Phase II-certified and Washington State emissions requirements (3.7 gr/hr). 55,000 BTU/hr* effectively heats up to 1,500 sq. ft.* Airtight combustion chamber delivers maximum efficiency to ensure steady home heating. Double-air combustion features two controls that allow you to customize the heating of your home, including: Main control for variable heat output Air boost for faster ignition Ease of Operation Efficient air wash system keeps the glass clean, reducing the hassle of maintenance. Heat-resistant handle stays cool to the touch. Burn time is approximately 6–8 hours for long-lasting comfort. Required Venting 6" ASHT+, S-2100+, HT6000+, HT6103+ or AC Chimney Design Versatility Choose between the clean-face panel kit* for a more contemporary design or the louver kit for a traditional look. *Requires gravity air distribution kit EPA-CERTIFIED FIREPLACE COLLECTION EPA-certified wood-burning fireplaces from Superior are expertly designed and crafted from over 30 years of experience creating high efficiency EPA fireplaces. You can count on a lifetime of warmth from our fireplaces with the added bonus of responsible burning.

Formal living room in traditional home can benefit from fade protection that window film can provide Photo Courtesy of Eastman
Living room - traditional living room idea in New York

Creatherm S20 Floor panels with PEX-AL-PEX Tube
Large craftsman beige two-story exterior home idea in Chicago

Mid-sized modern multicolored one-story mixed siding exterior home idea in Salt Lake City

Example of a large trendy backyard stone patio container garden design in Orange County with a pergola

75 year old window in bath not designed for shower. Tile in bath failing.
Home design - traditional home design idea in DC Metro

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.

Large transitional brown one-story stucco exterior home idea in Seattle with a shingle roof

Large elegant backyard stone patio kitchen photo in Portland with a pergola

Inspiration for a large transitional backyard concrete patio remodel in Denver with a fire pit and a roof extension