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Rountree Architects

130 Compo Rd. South

Westport, CT 06880

Net-Zero Energy Homes

To be considered a “net zero energy home” the total amount of energy used by the home and its occupants on an annual basis must be roughly equal to the amount of renewable energy created on the site. 

Net-Zero Energy Home, Westport, CT

In 2015, The homeowner approached me with sketches of the house he envisioned. He wanted to build a near-net-zero residence for him and his family, using “passive house” principles and techniques The almost 7,000sf house delivers on the owners’ expectations. With a 10.7-kW PV system, the family’s average monthly utility bill is $45, which covers heating, cooling, hot water and all plug loads. 

The house’s performance and comfort stems from:

1) A high level on insulation on all 6 sides and

2) meticulous air sealing, 3) high performance triple pane windows and 4) continuous fresh air supply.

Near Net-Zero Home, Weston, CT

This is a very interesting new house I designed in Weston, CT that is currently under construction. It will be a near net-zero energy house.  At 3,500SF,  the home will have 3-bedrooms with a detached 700SF Art Studio.

 It is being constructed using “Insulating Concrete Forms” (ICFs) and features a large glass curtain wall at the Living Room and Master Bedroom the windows will be triple-pane units from Poland.  The center of the house will feature a 25 foot high Living Room with a balcony connecting two 2nd Floor.  Bedroom wings. The house will be powered by at 14kW PV system.

Near Net-Zero Home, Easton, CT

This is a house I am currently designing and will go into construction in the summer of 2020.  It will feature triple-pane tilt-turn windows, high performance insulation, a 10KW PV system and a ducted heat-pump HVAC system.

Rendering Front