JOHN HENRY'S HERS RATING SERVICES Inspectors
A blower door test measures air leakage out of and into your home. A leaky house is draftier, uncomfortable and uses more energy. Leaky homes impact indoor air quality and the ability to keep your home at a comfortable temperature. By depressurizing your house using a blower door, we can measure air leakage in the house’s shell and identify leakage spots
Such a pleasure to work with, the world needs
Their testing has been great for my family.