Aspen Homes of Colorado Energy Features:

• Foundation: R-10 exterior rigid foam on concrete wall (lower); R-15 to R-28 blown fiberglass in framed cavity (upper)
• Wall Construction: 2x6 @ 24" o.c.
• Wall Insulation: R-23 blown fiberglass plus R-5 foam sheathing
• Rim Joist Insulation: R-19 blown fiberglass plus R-5 foam sheathing
• Roof Construction: Trusses @ 24" o.c.
• Ceiling Insulation: R-42 blown cellulose
• Windows: Low-e, gas-filled vinyl; U-0.30 to 0.39; SHGC 0.27 to 0.55 (South-facing glass has high SHGC for passive solar heat gain)
• HVAC: Geothermal heat pump with variable speed air handler; up to 90% efficient heat recovery ventilator
• Ducts: All ducts in conditioned space
• Water Heating: Provided by geothermal system (COP 3.0) with electric tankless backup
• Lighting: 100% dedicated fluorescent fixtures
• Appliances: ENERGY STAR refrigerator, dishwasher, and washer
• Duct Leakage Test: 0 CFM to exterior at 25 Pa; 16 CFM total at 25 Pa
• Blower Door Test: 1.63 ACH50
• HERS Index: 10 (with photovoltaic)
• Innovative Features: Tubular skylights; 5.85 kW photovoltaic system; PEX manifold plumbing; programmable thermostat