The conditioned space includes the two apartments, basement, garage and storage. Total area 3,925 SF.
| Item | R-value (BTUh/SF-°F) | Notes |
|---|---|---|
| Windows | 5.0 | triple pane, vinyl, Matthews Brothers, Clara Starrett™ |
| Slabs (Basement, Garage) | 10.0 | sub-slab insulation: 2" XPS |
| Wall Above Grade | 39.0 | apartments: 13"; garage/storage wall; 11": dense pack cellulose |
| Wall Below Grade | 24.0 | 3" of 2.0 lb/CF spray foam insulation |
| Attic floor | 58.0 | 18" loose cellulose |
| Garage Doors | 10.0 | Raynor Showcase™ |
| Item | Measured or Calculated Value | Notes |
|---|---|---|
| Air Barriers | 0.73 ACH50 | Primary air barrier: Intello walls and ceiling; secondary air barrier: Zip System. Air test by The Breathable Home included the garage, whose doors were sealed off for the test. |
| 3-Zone System Heating Load | 8,420 BTUh | Upper Level Apartment (750 SF): Kitchen/Living, Bedrooms (2), Baths (2), Laundry |
| 5-Zone System Heating Load | 34,850 BTUh | Lower Level Apartment (600 SF): Kitchen/Living, Bedroom, Bath, Laundry; Garage, Garage Bath (1050 SF); Storage (750 SF); Basement (720 SF) |
| Heat Pump Domestic Hot Water Heaters (2) | 50 Gal | Ruud PROUH50, 3.6 UEF |
| Heat Recovery Ventilators (2) | 95 CFM | FanTech SHR150R, Sensible Eff. 60% |
| Range Hoods (2); Fans | 200-500 CFM | PROLINE; remote fans, FanTech RVF8XL, variable flow, 6" ducted, passive make-up |
| Water Well and Pump | 240 feet depth; 15 gpm@ 50 psig | Franklin Subdrive15™, 1.5 HP |
| Septic Pump | 40 gpm@ 22 ft. Hd. | Liberty 280 Series, 1/2 HP |