If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
How to seal air handler plenum in attic.
Learn how to seal yo.
Create or modify an air sealed closet to contain the air handler and the return air plenum.
Use aluminum tape to seal joins between two flat smooth surfaces usually metal and mastic for irregular surfaces such as wood.
Moreover the excess moisture can lead to a damaged plenum mold or termites.
I had them seal all of the inlets to the air handler the supply and return plenums all the attic holes.
As shown in the infrared image on the right the plenum is not air sealed so hot attic air is being pulled into the air handler closet.
I missed out on giving specific instructions on one part and they messed it up.
When the hot humid attic air contacts the cold duct or the cold duct boot the moisture in the air condenses on the cold surface just like the condensation that happens on a cold can of beer.
Air sealing your ducts is cheap and easy and it save s a lot of money.
I even had them open the air handler and seal inside following manufacturer s guideline.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.
The grille in the photo on the left brings air into a return air plenum under an air handler platform.
Condensation on the outside of your air handler can be an effect of an underlying issue.
Make sure that all metal fittings are firmly screwed together on four sides then covered with liquid or tape mastic and fully re insulated.
The air in your vented attic is hot and humid just like all outdoor air in florida.
Energy saver first look into the attic when helping improve a home s ene.
I asked them to seal the refrigerant line and all they did was to put.
Using a duct sealant called mastic is the professionals choice.
When working with mastic wear disposable gloves and spread it carefully since its glueyness makes cleanup difficult.
Otherwise in the summer months the warm air that is under your home will rise up through the floors and cause your air handler to sweat.
There are many different ways to seal this crawlspace including plastic sheeting the application of foam insulation to the foundation walls on the inside of the crawlspace and more.
There are two main ways to solve this problem.
However air handler sweating is different.
For repairing simple leaks in the air ducts.
