Well mainly it s a way to save space.
Moving hvac ducts in home attic.
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.
All ducts are at risk for this type of leakage.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Strap the flex duct to the attic framing at 4 foot.
Seal the connection with duct tape.
I chose unfaced batt type so that it would stay in place.
Get those air conditioning ducts out of the attic.
However unless you have new construction is highly doubtful that you can find an alternative.
Attic hvac systems also require shorter ducts.
Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws.
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.
Instead i covered my attic ducts with insulation.
There will be less duct leakage.
The unconditioned space also houses his hvac system.
Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.
But in southern california basements are extremely rare so most homes have floor furnaces a k a.
The duct insulation should include a vapor barrier cover.
I believe that moving ducts out of the hostile temperature environment of the attic is obvious.
Duct leakage causes a lot of problems including less.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
One place never to put hvac system ducts.
Here s why that is a good thing.
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.
Use metal flex or fiber board ducts that are insulated to code.
Photo of ducts in attic by energy vanguard.
Some things to consider the usual place you ll find furnaces in homes across the u s.
Part of the job will involve replacing a load bearing wall with a post and expanding the living space into the old laundry room.
All other images from ibacos paper on building america research.
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.
Moving a furnace to the attic.
