Project Description
This is a four bedroom, four bathroom home located within walking distance to downtown New Canaan. The homeowners are retired and wanted a new home with traditional styling that could achieve net-zero performance. With a 16.28kw photovoltaic system installed, the homeowner is able to maintain net zero performance, even including charging his Tesla. Because the house is on a smaller downtown lot, the owners also wanted to use exterior hardscape strategies to create a private outdoor space for the summer months.
Type: New Construction, Custom Green Home
Project Architect: Evolve Design Group
Special Features:
- Custom kitchen with exposed beams and huge island
- Dining room is open to the kitchen with direct access to the terrace
- Coffered ceiling in the living room
- Wood-burning fireplace with interior and exterior fieldstone veneer
- Character-grade, rift+quarter-sawn white oak flooring
Green Building Approaches:
- 16.28kw PV system
- 4” of EPS foamboard insulation over vapor barrier in crawl spaces
- 6” of EPS foamboard insulation applied to the interior face of crawl space walls
- 4” of EPS foamboard insulation under the basement slab and between slab and foundation wall
- 2-1/4” of XPS insulating drain board over exterior face of basement walls
- 2” of continuous closed-cell (low GWP) spray foam applied to the interior face of basement walls
- 3-1/2” of Roxul mineral wool between 2×4 studs on the interior face of basement walls
- 2×6 wall framing with 5-1/2” dense-pack cellulose insulation
- Walls are wrapped with 4” of European fiberboard insulation to manage thermal bridging
- 2×12 roof framing with 12” of dense-pack cellulose insulation
- Roof is covered with 4-3/4” European fiberboard insulation to manage thermal bridging
- Fully ventilated roof above fiberboard roof insulation
- Acrylic sheathing tapes used at wall and roof sheathing planes to achieve exceptional air-tightness
- European triple-glazed aluminum-clad wood windows with u-values of 0.13 (roughly R-8)
- Ducted air-source heat pump system heats and cools the entire house
- Tankless propane-fired, condensing water heater eliminates storage energy losses
- European energy recovery ventilation system has an independent mini-duct distribution system
- Engineered red cedar shingle panel siding installed over a ¾” ventilated drainage plane
- Exterior trim manufactured primarily from recycled fly ash and rated for ground contact
- 100% LED lighting
- Low-flow water fixtures throughout
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