Air Duct leaky
Air Duct Troubleshooting
Loose or leaky air duct troubleshooting:
This article describes the effects of and how to find & repair blocked, clogged, crimped, loose, or leaky air conditioning or heating ducts, leaky air duct connections, defective heating, or cooling ductwork.
Here we discuss these questions and topics: Where do we Find the Most-common Types of Air Duct Leaks.
Disconnected Cool Air Supply Duct Hidden in Crawl Area. Missing or Open HVAC ductwork or open connections: costs of. One-Way HVAC Air Duct Designs Make for High Heating or Cooling Costs. Cooling or Heating Duct Retrofit Leaks in Old buildings. Rooftop Duct System Leaks & Water, Mold, and Pathogens. Tips for Spotting HVAC Duct Leaks. Building Code Requirements & Standards for HVAC Duct Sealants or Duct Leak Seals or Tapes.
The photo at page top shows what happens when cooling ducts connected through a crawl space.
The crawl space was nice and cool but no cool air was being delivered to the living space.
In addition, the air blowing around in the crawl space stirred up fiberglass and debris, including mold which increased the movement of these particles into the occupied space.
HVAC Duct Connection Leaks – Poor ductwork connections
Where do we Find the Most-common Types of Air Duct Leaks
Disconnected Cool Air Supply Duct Hidden in Crawl Area
A client who lived in an apartment in New York City engaged our company to find why her city apartment could not get cool even though she had a new air conditioning system installed. We found that the ducts had become disconnected in the attic crawl space where the air handler placed.
It was wonderfully cool in the attic. The apartment was hot. So were the electric bills. Below at Soffit Cool Air Blast, we describe a more egregious case of ductwork that was missing entirely.
These photographs show the two most-common air conditioning or heating duct leaks, at a loose falling metal duct connection (left photo) and at a poorly secured flex-duct connection (right photo). Leaking supply air at these connections means less cool air (or warm if its heat) delivered to the occupied space.
If the air conditioning system output at the registers is poor, especially if it is working in some building areas but not others, one of the first things to check is the condition of the ductwork. Look for and seal leaks like these. Also, review the other duct and supply adequacy defects described as articles linked to from the left of these pages.
Missing or Open HVAC ductwork or open connections: costs of
One-Way HVAC Air Duct Designs Make for High Heating or Cooling Costs
Cooling or Heating Duct Retrofit Leaks in Old buildings
Rooftop Duct System Leaks & Water, Mold, and Pathogens
Tips for Spotting HVAC Duct Leaks
Building Code Requirements & Standards for HVAC Duct Sealants or Duct Leak Seals or Tapes