Attic Ventilation For Desert Heat

Air enters the attic via eave or soffit vents at the edge of the roof and then exits via the roof s ridge the top.

Attic ventilation for desert heat.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. The egv6 power gable mount vent can move air at a rate of up to 1600 cu. This mode of heat transfer is more effectively limited by 1 increased attic insulation 2 a truss mounted radiant barrier or 3 a white reflective roof surface that limits solar gain to the attic. While the purpose of insulation is to keep homes and business comfortable all year long it is considerably hotter in the phoenix arizona area so which insulation is best for hot continue reading best insulation for hot climates.

How to determine whether you need better attic ventilation. It s a well known fact that heat rises so when your house heats up in the summer sun any trapped heat is going to head straight for your attic. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. Passive attic vents are the vents installed in attic during the construction to let moisture escape from an attic in the event moisture gets into the attic.

That keeps your attic dry and reduces ice dams. If you are searching for the best insulation for hot climates you are probably living in arizona and starting to feel the summer s bite. Regarding this point danny parker wrote in a literature review of attic ventilation detailed simulations suggest that the heat transfer in an attic to a residential building interior in mid summer is dominated by radiative gains from the hot roof decking directly to the insulation surface. What is attic ventilation.

Good ventilation allows the heat and moisture to escape. No extra equipment needed to buy. In the summer good attic ventilation reduces heat buildup. Intake vents located at the lowest part of the roof under the eaves allow cool.

That cuts cooling costs and prolongs shingle life. This is natural ventilation because hot air naturally rises so it goes up the eaves on its own and exits the ridge on its own. They are typically easier to install and won t detract from the appearance of your roof. Many homeowners falsely assume that since their attics are extremely hot in the summer the best way to reduce their cooling load is to get the heat out of the attic.

If you live in a hot climate like arizona s sonoran desert adding attic ventilation to your home can be a huge benefit in more ways than one.