Wathen-Castanos Hybrid Homes Clovis, Calif. This 1,985-square-foot home features a 3.7-kW photovoltaic system, a 19-SEER air conditioner, a 0.98 EF tankless gas water heater, and an innovative ventilation design with supply vents at interior walls and all ducts insulated to R-8 and located outside the thermal envelope. The production builder, named the 2011 EVHA Builder of the Year, was lauded by the judges for building high-efficiency, competitively priced homes.
CVH Inc. dba Clifton View Homes Oak Harbor, Wash. Energy modeling was performed early on in this remodeling project to help save the client money, and it worked: Despite a 10% increase in square footage, utility bills for the home have dipped to one-third of what they were prior to the renovation, thanks to a new ultra-efficient insulation package. The company was named 2011 EVHA Remodeler of the Year for its commitment to sound building science techniques and quality control mechanisms.
Cobblestone Homes Bay City, Mich. This solar-powered home, one of the first affordable net-zero-energy homes in Michigan, features an exceptionally tight building envelope; ultra-efficient HVAC and water heating systems; a drainwater heat recovery system; and low-E, gas-filled, triple-pane vinyl windows with a U factor of 0.2 and a SHGC of 0.23 to 0.27. It boasts a HERS rating of 37 (-4 with PV).
Ferrier Custom Homes Ft. Worth, Texas A 2.4-kW wind turbine helps power this SIPS home, which boasts a 0.99 EF tankless electric water heater with PEX distribution and 100% LED and CFL lighting with advanced controls. A TED energy-monitoring device allows homeowners to see household electricity consumption in real time.
GreenCraft Builders, LLC Lewisville, Texas This home’s net-zero energy design--including passive solar features and a 9-kW photovoltaic system--has been producing a utility credit since the home's occupancy early last year. Constructed using advanced framing techniques, the structure is insulated with R-21 open-cell foam with R-5 foam sheathing.
CVH, Inc. dba Clifton View Homes Greenbank, Wash., Residence This SIPS-built home features an insulating concrete form basement with R-20 underslab insulation. To keep the indoor air comfortable and healthy, the builder included an air-source heat pump with in-floor, multizone radiant distribution and a whole-house HEPA air filtration system.