Duct Sealing and Duct Insulation Guidance

Ducted Air Distribution

The forced-air system is composed of an air handler (furnace, heat pump, air conditioner) with its heat exchanger along with...

Duct Sealing Eligibility Sequence of Operations

The assessment and development of ducts have a logical order of steps. Determine whether over 30% of the ducts are...

Distribution System Efficiency

Know the Distribution System Efficiency (DSE) by visually assessing the three duct characteristics below. Take a look at Building Performance...

Evaluating Duct Air Leakage

Duct leakage is the main energy waster in homes especially when such ducts are situated outside the home’s thermal boundary...

Specifying Duct Sealing Hours

Determine the duct sealing man-hours will base on the linear footage of current ridged ductwork and prevailing duct insulation. 4...

Airflow Measurement Tests

To be eligible for duct sealing in the program, the duct systems must meet the following airflow rates for the...

Evaluating Existing Duct Insulation

Duct systems having an effective R-value of 3 or greater are not qualified to be insulated. When calculating the effective...