Attic Ventilation For Desert Heat

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Attic ventilation for desert heat.

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. 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. In the summer good attic ventilation reduces heat buildup.

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. No extra equipment needed to buy. What is attic ventilation. In the winter warm moist air seeps into the attic from the living space below.

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. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. 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. 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.

The egv6 power gable mount vent can move air at a rate of up to 1600 cu. 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. That keeps your attic dry and reduces ice dams. 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.

Intake vents located at the lowest part of the roof under the eaves allow cool. 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. That cuts cooling costs and prolongs shingle life. 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.

They are typically easier to install and won t detract from the appearance of your roof.