Or excess flex duct.
Duct disconnected in attic.
Using a duct sealant called mastic is the professionals choice.
If the duct work is located in a full basement or attic the work is a lot simpler than if in a small crawl space.
This is a much more common scenario as most homes with forced air systems locate the supply ducts in the crawl space and return ducts in the attic.
When working in a small space be sure to bring all the necessary tools including.
Disconnected or leaking ducts.
Access the duct work.
Vent ducts that terminate into the attic and not to the exterior of the property.
Up against the deck may be the worst place in the attic to.
Doing so would fill your attic with.
We found that the ducts had become disconnected in the attic crawl space where the air handler was placed.
Drill knife flashlight and any other useful items.
Recently i made a trip up to my attic to measure for buying flooring for storage when to my dismay i saw that both bathroom ducts were laying on top of the loose insulation and i noticed what appeared to be black spots on the interior roof inside the attic.
The unconditioned space also houses his hvac system.
Remember that article i wrote about ducts installed against the roof deck and how i said it was probably the absolute worst single location for installing ducts.
Before adding blown insulation inspect and test the ducts for missing or torn duct insulation.
Well in the comments dave roberts a senior engineer at the national renewable energy lab nrel wrote about a paper he co authored last year and included a link to it.
If a supply duct is broken or disconnected warm moist air from the furnace can escape directly into the attic.
In existing homes with vented attics and hvac ducts that are installed on the attic floor bury ducts in blown attic insulation when adding or increasing attic insulation.
Ted has more than a few cobwebs in his attic.
Air sealing your ducts is cheap and easy and it save s a lot of money.
If you forget something you ll have to crawl back out to get it.
Faulty cold air return.
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.
Learn how to seal yo.
Vent ducts that are damaged or disconnected.
Bathroom exhaust ducts disconnected in attic.
Disconnected cool air supply duct hidden in crawl area.
All vent ducts terminated to the exterior of the property and were properly installed and supported.
Not checking all of the vent ducts in the attic.