Mark any leaks you find with a grease pencil.
Ac duct leaks in florida attic.
Look for duct tape.
Sometimes the art of writing lies in thrift.
Here s a short video on how.
Any ductwork that is installed in an attic must be either wrapped with insulation or you must use flex duct which is already insulated.
The spots where two air ducts connect are common places for leaks to occur.
Light an incense stick.
You can also try running your hand under other parts of your ductwork to feel for larger leaks.
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.
Duct tape is not actually meant to seal most ducts at least not as a permanent fix.
Please make sure all ductwork is insulated.
Broken seals at vents coming into or going out of the home can spill conditioned air into wall cavities or under the floor.
If you place your hand near these joints and you feel air coming out you know that there s a leak.
Because the average humidity level is 10 20 in phoenix.
Hold the stick close to the duct joint and observe the smoke.
Once you ve found the leaks in your duct work seal them by wrapping them in foil faced tape or by applying mastic with your hands or a paintbrush.
Save money on your new air conditioner or furnace.
However an attic in pensacola florida is likely to have a humidity level closer to 100 and the risk of condensation on ductwork would then go up quite a bit.
Over time that means your system gets unbalanced meaning it s blowing more air into your house than it s taking out.
And if ducts leak you could be losing as much as 30 percent of the energy your hvac equipment produces through those air leaks.
The air in your vented attic is hot and humid just like all outdoor air in florida.
Ducts that leak into the attic area are also a serious problem.
Throw duct leakage into the mix and the problems are even worse.
Leaks are indicated when the smoke is blown away from the joint or sucked into the joint in the case of an air.
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.
And the more air your ducts suck in from your attic the less air it needs to suck in from inside your home.
If someone previously tried to seal up a leak using duct tape.
For additional energy savings wrap your duct.