Big Attic Fan In Old House

Don t avoid ventilating your attic for fear you re letting cold air into the house.

Big attic fan in old house.

If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty. A whole house fan is usually installed on the attic floor near the center of your house. In the late evening or early morning the fan is turned on to exhaust hot air from the house. An attic fan will turn on automatically when the attic reaches a preset temperature.

Back in the 1970s people would call the old fashioned helicopter whole house fans an attic fan. Ever since a roofer talked my husband into replacing the broken attic fan with a ridge vent we re getting tons of dust in the living areas. Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope. In this way the attic fan replaces the stifling air with fresh air cooling the attic and in turn your living space below.

The house has also become a lot more difficult to heat in winter. This is a very common misconception. Cooler outdoor air enters through open windows lowering the indoor temperature. Hot air is moved through the attic and then expelled.

Some minor electrical work will have to be done during installation. An attic fan on the other hand is installed on the roof of the house pushing hot air directly to the outside. These fans circulate the air within the. The second thing we would do is install a ceiling fan in the bedroom.

Attic venting fans attic fans serve a different function removing the hot and moist air from the attic and leaving the space below the attic floor alone. This active ventilation system is inexpensive and easy to install. The altered more powerful airflow blasts decades old dust through every crevice it can find. Whole house fans and attic fans are often misconceived as the same type of fan and while they may share some similarities they have entirely different purposes.

The fan is typically mounted behind a gable end vent but other types are available that exhaust hot air through a roof vent. As the attic fan draws outdoor air into the attic it vents hot stale air out through attached dormers. Attic power fans can also be installed on the side walls of attics but the result is the same. One way to minimize this problem is to install an attic fan.