Work of Weatherizing Buildings
Building Envelope, Part 1: Air Seal
Building Envelope, Part 2: Insulating
Weatherizing Mobile Homes
Base Load Measures
HVAC and Ductwork

A/C Tune Ups

HVAC Performance/ Duct Leakage

Duct Leakage and Solutions

Exhaust Ventilation Overview

Installing Ventilation
Building Performance Institute Inc.

Duct Leakage and Solutions

A leaky duct system creates a number of problems in a house. The first and maybe most obvious one is the energy lost from ducts leaking into spaces that are not part of the conditioned envelope. Sealing ducts can be one of the greatest improvements to the health, comfort, and energy efficiency of a home during the weatherization process.

After completing this lesson, students will be able to:

  • Explain the importance of well-sealed ducts
  • Prepare the home for duct sealing
  • Use the proper materials to seal ducts
  • Repair and seal pan returns
  • Understand how a duct blaster test before and after sealing should show measurable improvement

Watch our example videos for this lesson by clicking on the link(s) below:
Duct Leakage and Solutions - Part 1
Duct Leakage and Solutions - Part 2

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