Attic Vs Crawl Space

For homes with eight foot ceilings you can get special roof trusses called plenum trusses that are designed to accommodate ductwork and create a chase in the attic floor.

Attic vs crawl space.

There are however some drawbacks also to system in the attic. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with. A two room addition on the 1st floor has limited attic space and a 4 crawl space. Since the attic is considerably hotter than the crawlspace in the summer there will be more.

I was just discussing the issue of attic vs. This can keep the house warmer and can also cut down. Attic vs crawl space. Animals love duct board flex 09 06 2007 02 11 pm 12.

It s easy to see your point about eliminating ductwork from the attic. Knowing the disadvantages of attic install and the crawl space install. An attic crawl space is an area on the top level of a house that is not tall enough to be used as a living area and is often unfinished. Seal supply boxes with mastic.

Expanding the conditioned space doesn t require you to condition an entire attic or crawl space. If you use duct board flex in crawl space you will have problems. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. I vote for the attic.

Compare that with the daily 140 degree temperatures found in vented attics. I run my ac and heating equally throughout the year here. New construction in the sandhills north carolina. However i have two questions if i want to centrally air condition my entire house.

Everyone including myself preferred to have the ductwork in the attic as opposed to the crawl space. Did you know before the drying co thermaltec became greater richmond and the virginia peninsula s expert for attics basements and crawl spaces we used to. You can expand it just enough to accommodate the ducts. So when we have a choice we prefer hvac systems located under the house.

As a great deal of heat can escape through the attic of a house it is common for this area to be insulated. 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. Strap ducts out of insulation with 3 ductstraps per specifications. 1a attic access door.

My head is spinning from all the pros and cons of locating the hvac and duct work in the attic vs crawl space. Rarely will a sealed foam insulated attic deviate more than 15 degrees from the living space temperatures below it. View profile view forum posts view forum threads new guest join date sep 2007 posts 2 post likes.