Which Is Better Hvac In Attic Or Crawl Space

Strap ducts out of insulation with 3 ductstraps per specifications.

Which is better hvac in attic or crawl space.

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. Attic hvac system saves space. Crawlspaces are good spots for hvac systems too. Seal supply boxes with mastic.

Good luck getting better cooling in the upstairs in an old home using a basement hvac system than one in an attic. Air conditioner furnace in attic installations cost less. When kept dry and conditioned a basement the ideal spot for your hvac set up. In the winter a crawl space can be significantly colder than the living spaces of your home.

The crawl space is an unconditioned space. A hvac unit in a crawl space presents special concerns. This means that like an attic or unfinished basement you don t heat and cool it. I d lean toward a conditioned crawl because of the sum total of benefits by making the space conditioned.

09 06 2007 08 20 am 9 dcmcm5. Knowing the disadvantages of attic install and the crawl space install. 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. A crawl space by nature is a special area of the home having both benefits and detractions when locating a unit.

It s probably also worst for most climates if the hvac systems and ductwork are located in the crawl space. Quit writing papers and go try a seat of your pants experiment. 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.

There are problems with the ductwork in the crawlspace too but the system will typically be more energy efficient. Ductwork in the attic as opposed to 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. I vote for the attic.