Do Attic Vents Improve Humidity

Powered attic ventilator fans designed to cool your attic by drawing the hot and humid air out of the attic and bring in a flow of chilly air from outside.

Do attic vents improve humidity. Unless you have a finished attic you probably aren t fond of spending time up there during a hot summer day. You might also install a humidistat that automatically turns your attic fan on to vent out humidity once the level exceeds 70 percent. Air flows in through the soffit vents and out through the roof vents. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.

Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity. But with proper ventilation you can at least bring those temperatures down to match that of the outdoor air. You place the fans on the gable walls of your attic. It will help significantly especially as this one is higher up it will allow for that hot air collecting up there a place to escape.

An attic that stays overly humid for days or weeks on end can. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. In fact the colder the climate the more likely it is that your home will benefit from attic ventilation.

With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. If you see dampness or frost you need better roof ventilation and some attic vents. If you are currently having issues with humidity buildup in your attic i would highly recommend that you add a ridge vent to the larger area of your roof. With no air conditioning vents pumping in cool air and the hot sun beating down on the roof right over your head attic temperatures can soar.

Vents come in various styles. Still an example calculation for an average home in new jersey and another in vermont would be enlightening. Meanwhile preventing moisture damage is a much greater benefit and applies to colder climates more than warmer ones.