| heating degree days |
4838 |
| cooling degree days |
1278 |
| finished floor area |
180 sq. m, 3000 sq. ft |
| foundation |
continuous spread footing, insulated with 2" high density EPS foam |
| basement wall |
ICF with interior 2x4 wall, insulated with high density fiberglass |
| wall framing |
12" wide double stud wall, 24" on center |
| wall insulation |
12" blown in high density fiberglass |
| roof framing |
prefabricated trusses |
| roof insulation |
24" blown in high density fiberglass |
| windows |
foam-filled fiberglass frames, double pane glazing with suspended film and eco-spacers, argon/krypton fill, .51 SHGC south, .31 N, E, W; average overall total unit U-value : .18 Btu/hr ft2 =1.02 W/(m2K) |
| ventilation system |
95% sensible effectiveness ERV |
| heating system |
98% efficient gas tankless water heater with low temperature radiant tubing in slabs |
| domestic hot water |
same |
| cooling system |
40 SEER evaporative cooler |
| active system to become net zero |
| source energy |
3.5 kW PV system |
| site energy |
6.5 kW PV system |
