Duct Disconnected In Attic

The mold might be an issue.

Duct disconnected in attic.

We found that the ducts had become disconnected in the attic crawl space where the air handler was placed. The unconditioned space also houses his hvac system. Before adding blown insulation inspect and test the ducts for missing or torn duct insulation. In last week s blog i discussed the practice of burying attic ducts in deep insulation.

Yes you can use a zip tie or large hose clamp to attach the hose to vent. It is very important for the warm moist air to be exhausted outside not 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. Disconnected or leaking ducts.

If an exhaust duct is disconnected all the warm humid air from the house is pumped directly into the attic. Or excess flex duct. Ted also has inherited a powered attic ventilator. 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 reason is straightforward. Use the foil tape instead. Duct tape is a lousy choice for ducts despite it s name. This moisture condenses on the cool roof sheathing and eventually causes mold growth and sheathing failure.

Ted has more than a few cobwebs in his attic. Since burying ducts is simply one of several ways to address the energy waste associated with the decision to locate ducts in a vented unconditioned attic it s worth taking a fresh look at all of the possible solutions to the attic duct problem. Disconnected cool air supply duct hidden in crawl area.