Turn on your heat or air conditioning system so it s constantly blowing.
Torn air ducts in attic.
Click here for more photos of raccoons chewing on electrical wires.
Climb into your attic.
Final thoughts on condensation on ductwork.
With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f.
But raccoons also chew on a variety of substances including wood and wires.
There are five signs that can indicate ductwork is leaking air causing problems in your texas home.
Are certain rooms difficult to cool.
Improperly insulated ductwork and excessive moisture in the air.
And if ducts leak you could be losing as much as 30 percent of the energy your hvac equipment produces through those air leaks.
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.
In the attic look for chewed wood and play close attention to electric wires to see if they have been chewed or shredded and constitute a fire risk.
Disconnected or leaking ducts.
Step only on the joists or lay plywood across the joists to allow you to move safely through your.
This wire was shredded by the raccoon s claws.
At the end of the day there are really only two causes for condensation on ductwork.
Or excess flex duct.
Ted also has inherited a powered attic ventilator.
Ducts that leak into the attic area are also a serious problem.
Use enough tape to extend about 3 4 inch onto the metal or plastic pipe and bridging.
One raccoon even climbed in the ducts and into the central air handler where it got electrocuted and rotted causing the worst odor ever.
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.
Throw duct leakage into the mix and the problems are even worse.
Both of these are easily treatable.
Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal.
Look for shredded or torn ducts.
Poor comfort does your air feel stuffy.
Cover the damage with the tape.
Before adding blown insulation inspect and test the ducts for missing or torn duct insulation.