Learn how to seal yo.
Duct disconnected in attic.
We found that the ducts had become disconnected in the attic crawl space where the air handler was placed.
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.
Or excess flex duct.
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.
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.
If you forget something you ll have to crawl back out to get it.
Disconnected cool air supply duct hidden in crawl area.
Access the duct work.
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.
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.
Bathroom exhaust ducts disconnected in attic.
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.
Up against the deck may be the worst place in the attic to.
Vent ducts that terminate into the attic and not to the exterior of the property.
Drill knife flashlight and any other useful items.
All vent ducts terminated to the exterior of the property and were properly installed and supported.
Vent ducts that are damaged or disconnected.
The unconditioned space also houses his hvac system.
Not checking all of the vent ducts in the attic.
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.
The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago.
Using a duct sealant called mastic is the professionals choice.
Before adding blown insulation inspect and test the ducts for missing or torn duct insulation.
Air sealing your ducts is cheap and easy and it save s a lot of money.
When working in a small space be sure to bring all the necessary tools including.
Doing so would fill your attic with.
Faulty cold air return.
The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.
Disconnected or leaking ducts.