Recommended Weatherization
Insulation
| Attic | R-38 or Vaulted | R-19 |
| Floor | R-19 or Perimeter | R-11 |
| Walls | R-15 total wall | |
| Knee Wall | R-19 |
Heat Pumps
| Package Minimum Ratings | Seer 14.0 |
| Split Minimum Ratings | Seer 14.0 |
Dual Fuel Heat Pumps
| Split Minimum Ratings | Seer 14.0 |
| Package Minimum Ratings | Seer 14.0 |
All Electric Appliances
Water heater, dishwasher, refrigerator, freezer, and clothes dryer
Windows
The windows should not exceed 15% of the exterior conditioned wall area. Windows should have thermal breaks accomplished by thermal pane windows.
Infiltration
- Caulk sole plate (between wall and foundation)
- Caulk corner T’s
- Caulk studs around windows and doors
- Caulk penetration for utility service through floors, walls and ceilings
- Caulk around ceiling fixtures
- Caulk heating and air boots through the floor
- Caulking, sealant, or glazing materials should be used to prevent the entrance of outside air through doors and windows
- Weather strip around windows, doors and attic access