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Question DetailsAsked on 6/17/2013

heat and air ducts can they be ran to a slab struction/

I am wanting to buy a house I fell in love with but the problem is , a utility room was added to the exisiting structure and the utility room was built on a concrete slab therefore no heat and air ducts we're run to this addition, So my question is , can you run ducts some how to this room for heat and air, I saw that there is a little wall heater installed for heat but but nothing for air and we both know those little electric heaters could be expensive to use, so any advice has how to put heat and air into this room would be appreciated

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Voted Best Answer

They can be run overhead, but I'm guess, you have a basement or crawl space under the main home and that is where the existing ducts are. If so , they may be able to access the wall of the utility room low in the wall from the crawl or basement.

Call an HVAC contractor, for most this would be a free estimate for the duct work needed.

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Answered 7 years ago by BayAreaAC


BayAreaAC has it right,, and for a small space like a utility room, you will not need full-size rectangular metal ducts - smaller 4-8 inch flexible ducting can probably easily be run into the room through the joist space.

If there are combustion sources in the utility room like hot water heater or furnace, it may have been left unventilated on purpoose, figuring the inflow of outside air to the appliances would ventilate it, and the appliances would heat it. Running ducting to a furnace room might also require firestop dampers in the duct, which add a bit of cost and hassle.

Talk to a reputable HVAC contractor - this should not be a major cost - I would guess in the $500-800 range unless he has to put ducting through poured concrete foundation.

Answered 7 years ago by LCD

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