FAQs

What is a Duct Leak Test?

A duct leakage HERS test is a pressure test to measure any air loss in your duct system. The HERS Rater seals off the duct system to pressurize it and uses special duct-testing equipment that measures the input and loss. The Energy Department found that the average homes duct system leaks approximately 30% and made duct leakage testing mandatory in October of 2005.

What is considered average leakage for California Homes?

The average home in California has more than 30% of air flow leaking from just the ducts.

How long does it take to complete a Duct Test?

The length of time required is contingent upon the size of the building or home, but typically the time ranges between 30 minutes and 2 hours.

Are there benefits to having 100% testing?

Having a home or building 100% tested is the only manner by which to guarantee compliance with all California State requirements and to minimize leakage. Properly functioning HVAC systems benefit homeowners and building owners in a plethora of ways including saving money, creating a healthier living environment, conserving fuels, and protecting the atmosphere.