Attic Ventilation Theory

However in pursuit of attic ventilation some people choose to install attic power ventilators.

Attic ventilation theory.

Learn here about ventilation processes products common problems solutions. A thermostat is used to automatically turn the fan off and on while sometimes a manual switch is used. Attic ventilation is a process of creating air circulation in the home. A powered attic ventilator or attic fan is a ventilation fan which regulates the heat level of a building s attic by exhausting hot air.

The same goes for attic ventilation. The theory is the same for your attic ventilation system. While heat migrates in the summer because your attic is acting as a giant pressure cooker in the winter the attic space is colder allowing more room. Because the roof isn t in play here it doesn t matter how many hips valleys dormers or gables there are.

You would think that venting an attic would be counterintuitive in the winter or cold months. In theory these are excellent tools for circulating air in the attic and keeping the attic temperature low. The problem with this design is it is wishful thinking. In theory balancing the venting system is important in order to maintain appropriate air pressure in the attic space.

Having attic ventilation doesn t ensure the moisture gets ventilated away before it condenses on your expensive roof and wall surfaces. In mixed climates ventilation serves either role depending on the season. All of these materials are supported by quality assurance testing capabilities that. A key benefit of venting the attic is that the approach is the same regardless of how creative your architect got with the roof.

An attic fan can be gable mounted or roof mounted. We have the capabilities to spray and inject a variety of foam systems to achieve a high r value while providing both effective vapor and air barriers. Foam tech creates superior insulation and environmental control solutions by installing safe cost effective and environmentally friendly polyurethane foams. Attic ventilation in the winter.