This Old House Attic Fan Installation

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

This old house attic fan installation.

An attic fan will turn on automatically when the attic reaches a preset temperature. In this video this old house electrical contractor john barros shows how to swap a light fixture for a ceiling fan. Whole house fans are installed into the ceiling of the highest point in the finished space typically in an upstairs hallway. In this video this old house general contractor tom silva explains how to keep your attic cool with a fan activated by the sun.

Install roof brackets and fall arrest system to roof. One way to minimize this problem is to install an attic fan. Drive nail through center of vent location. In attic mark location of solar powered vent between two roof rafters.

See below for a shopping list and tools. The fan is typically mounted behind a gable end vent but other types are available that exhaust hot air through a roof vent. Steps for installing a whole house fan. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty.

When running they pull heat and moisture from inside of the house and. Cut two pieces of 2x10 to fit snugly between the ceiling joists. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation. Set the blocks slightly farther apart than the.

This active ventilation system is inexpensive and easy to install.