This Old House Install An Attic Fan

Then fasten the blade irons to the motor with the screws provided.

This old house install an attic fan.

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. Use the reference hole as a landmark to transfer your measurements from the attic to the ceiling. One way to minimize this problem is to install an attic fan. Cut the blocking from the same 2x lumber as.

Use a layout square or framing square to draw the. An attic fan will turn on automatically when the attic reaches a preset temperature. You install an attic fan through the roof and flashed under the shingles. From inside the attic take up any plywood floor covering the desired fan location.

Gable fans are installed at the very top of your gable end walls and vented through the walls outside. In attic mark location of solar powered vent between two roof rafters. Plug the fan s light fixture housing into the wire hanging from the underside of the fan s motor. Attach each fan blade to a blade iron the bracket that holds the blade to the fan.

Drive nail through center of vent location. Identify an appropriate location in the attic to install the fan. Steps for installing a whole house fan. Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope.

Install solid blocking between the ceiling joists. In this video this old house electrical contractor john barros shows how to swap a light fixture for a ceiling fan. See below for a shopping list and tools. Remove the insulation from between the joists in the fan s location.

The fan is typically mounted behind a gable end vent but other types are available that exhaust hot air through a roof vent. This active ventilation system is inexpensive and easy to install. Install roof brackets and fall arrest system to roof. Don t avoid ventilating your attic for fear you re letting cold air into the house.

Lift out the insulation from between the ceiling joists. Install the shades and lightbulbs. In this video this old house general contractor tom silva explains how to keep your attic cool with a fan activated by the sun. Cut two pieces of 2x10 to fit snugly between the ceiling joists.