New Canaan Net Zero Home Produces More Energy Than It Uses
An empty-nester couple sought to build an expansive new home that incorporated a flexible accessory apartment to accomodate tenants or aging parents. Thanks to the owners’ particular passion for energy-efficient systems, the home is Net Zero rated: it actually produces more energy than it consumes.
19 kW Photo-voltaic electric system
Roofs optimized for PV arrays
Evacuated-tube solar hot water system
Heat pump/mini-split heating and cooling
High-efficiency gas fireplace insert for backup heat
2 ERVs (energy recovery ventilators)
Blower door test: <0.7 ACH@ 50 pa
Wall insulation: Cellulose and rigid foam board wrap R28
Sub-slab insulation: R28
Roof insulation: Cellulose R60
Project size: 6,000 sq.ft.