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.

In this video this old house electrical contractor john barros shows how to swap a light fixture for a ceiling fan. This active ventilation system is inexpensive and easy to install. Set the blocks slightly farther apart than the. Install roof brackets and fall arrest system to roof.

In attic mark location of solar powered vent between two roof rafters. One way to minimize this problem is to install an attic fan. From inside the attic take up any plywood floor covering the desired fan location. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty.

Steps for installing a whole house fan. 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.

An attic fan will turn on automatically when the attic reaches a preset temperature. Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope. See below for a shopping list and tools. Whole house fans are installed into the ceiling of the highest point in the finished space typically in an upstairs hallway.

Lift out the insulation from between the ceiling joists.