5 good ways 1 bad way to get your ducts inside conditioned space image credits.
Moving hvac ducts in home attic.
Attic hvac systems save space.
Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws.
Photo of ducts in attic by energy vanguard.
But in southern california basements are extremely rare so most homes have floor furnaces a k a.
Well mainly it s a way to save space.
Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.
Instead i covered my attic ducts with insulation.
There will be less duct leakage.
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 am finishing my basement in my 2 story 50 year old home.
One place never to put hvac system ducts.
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.
All ducts are at risk for this type of leakage.
Get those air conditioning ducts out of the attic.
I believe that moving ducts out of the hostile temperature environment of the attic is obvious.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
The unconditioned space also houses his hvac system.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Seal the connection with duct tape.
Duct leakage causes a lot of problems including less.
Ted has more than a few cobwebs in his attic.
Use metal flex or fiber board ducts that are insulated to code.
Part of the job will involve replacing a load bearing wall with a post and expanding the living space into the old laundry room.
Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.
Attic hvac systems also require shorter ducts.
So why put an hvac system up in the attic at all.
Strap the flex duct to the attic framing at 4 foot.
Moving a furnace to the attic.
I chose unfaced batt type so that it would stay in place.
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.
All other images from ibacos paper on building america research.
The duct insulation should include a vapor barrier cover.