2016 Washington State Energy Code
Our company is listed with the WSU Energy Ext. Service to provide the following services:
- Heat Loss Design- Manual J for submittal to your code jurisdiction.
- Duct Leakage Tests
- Blower Door Testing- Even if you don’t have ducts to test, your building shell leakage needs to be less than 5.0 Air Changes per Hour at 50 pascals pressure (5.0ACH50).
- Manual D- Duct Design upon request.