Which Is Better Hvac In Attic Or Crawl Space

A hvac unit in a crawl space presents special concerns.

Which is better hvac in attic or crawl space.

Attic hvac system saves space. I vote for the attic. Knowing the disadvantages of attic install and the crawl space install. Ductwork in the attic as opposed to the crawl space.

Good luck getting better cooling in the upstairs in an old home using a basement hvac system than one in an attic. Installing a heating ventilation and air conditioning hvac unit in a crawl space presents an entire series of pros and cons. If you have ductwork in your crawl space the temperature of the duct will be the same as the temperature of the crawl space. Sure if you can find enough space and afford the large cost to have someone poorly carve up the inside of your house to get the proper sized ductwork through the house.

Supply air from the hvac system if you encapsulate the crawl space adding a little bit of air from the hvac system is probably the most common method used. The crawl space is an unconditioned space. I d lean toward a conditioned crawl because of the sum total of benefits by making the space conditioned. Air conditioner furnace in attic installations cost less.

Strap ducts out of insulation with 3 ductstraps per specifications. In the winter a crawl space can be significantly colder than the living spaces of your home. Quit writing papers and go try a seat of your pants experiment. When kept dry and conditioned a basement the ideal spot for your hvac set up.

Seal supply boxes with mastic. Except when the system is left to the elements and neglected of regular systematic maintenance. Here in central sc almost the same climate as you some of the local electric companies will not give the energy good cents discount if the ductwork is in the attic. Insulate and air seal the floor with open cell foam put ductwork and mechanicals in the attic install a radiant barrier and mastic seal the ducts.

It s probably also worst for most climates if the hvac systems and ductwork are located in the crawl space. This means that like an attic or unfinished basement you don t heat and cool it. 09 06 2007 08 20 am 9 dcmcm5. A crawl space by nature is a special area of the home having both benefits and detractions when locating a unit.