When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space.
Moving hvac ducts in home attic.
The unconditioned space also houses his hvac system.
The duct insulation should include a vapor barrier cover.
However unless you have new construction is highly doubtful that you can find an alternative.
Photo of ducts in attic by energy vanguard.
Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.
There will be less duct leakage.
Here s why that is a good thing.
Part of the job will involve replacing a load bearing wall with a post and expanding the living space into the old laundry room.
Instead i covered my attic ducts with insulation.
Strap the flex duct to the attic framing at 4 foot.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Get those air conditioning ducts out of the attic.
Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws.
Use metal flex or fiber board ducts that are insulated to code.
Attic hvac systems also require shorter ducts.
Duct leakage causes a lot of problems including less.
According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton.
I believe that moving ducts out of the hostile temperature environment of the attic is obvious.
Well mainly it s a way to save space.
So why put an hvac system up in the attic at all.
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.
Some things to consider the usual place you ll find furnaces in homes across the u s.
All ducts are at risk for this type of leakage.
Seal the connection with duct tape.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Ted has more than a few cobwebs in his attic.
Moving a furnace to the attic.
All other images from ibacos paper on building america research.
5 good ways 1 bad way to get your ducts inside conditioned space image credits.
Attic hvac systems save space.
Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.
One place never to put hvac system ducts.
