This Old House Install An Attic Fan

Use the reference hole as a landmark to transfer your measurements from the attic to the ceiling.

This old house install an attic fan.

Cut the blocking from the same 2x lumber as. The fan is typically mounted behind a gable end vent but other types are available that exhaust hot air through a roof vent. Identify an appropriate location in the attic to install the fan. Then fasten the blade irons to the motor with the screws provided.

Attach each fan blade to a blade iron the bracket that holds the blade to the fan. Steps for installing a whole house fan. Install roof brackets and fall arrest system to roof. Cut two pieces of 2x10 to fit snugly between the ceiling joists.

This active ventilation system is inexpensive and easy to install. Gable fans are installed at the very top of your gable end walls and vented through the walls outside. Use a layout square or framing square to draw the. Plug the fan s light fixture housing into the wire hanging from the underside of the fan s motor.

An attic fan will turn on automatically when the attic reaches a preset temperature. From inside the attic take up any plywood floor covering the desired fan location. Drive nail through center of vent location. See below for a shopping list and tools.

Install the shades and lightbulbs. Install solid blocking between the ceiling joists. It should be close to an electrical outlet between. Mark the ceiling back in the bathroom measure the inside dimensions of the vent fan s intake port to determine what size hole you need.

You install an attic fan through the roof and flashed under the shingles. Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope. One way to minimize this problem is to install an attic fan. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty.

In this video this old house electrical contractor john barros shows how to swap a light fixture for a ceiling fan. Don t avoid ventilating your attic for fear you re letting cold air into the house. Set the blocks slightly farther apart than the. Lift out the insulation from between the ceiling joists.