How to Use Attic Heat

There are a few potential uses for the heat in attics, including heating homes and appliances. Some sophisticated setups can even heat water from attic heat. Temperatures in the attic range greatly depending on the time of year and climate. Typically, temperatures are lower, and uses are more limited, during winter, and higher in the spring and summer. You can use heat from the attic to heat your home in many cases.

Thermometer
Floor fan
Foam or insulation

Instructions

- 1
  Understand your region's climate. For example, winters in Montana have only a few days where attic temperatures get up to 80 degrees Fahrenheit, which is the threshold for usable attic heating. Most mid-winter days will produce attic temperatures of 70 degrees or lower in that region. However, in Florida and other warm-climate regions, attic heat might be usable year-round. Individuals may visit the attic when the attic is very hot and assume it is always that warm. This may be true in some regions, but not in Montana and areas with a similar climate.
- 2
  Open up the door to the attic, usually found on the ceiling of the level below.
- 3
  Install a thermometer in the attic in a location it can be seen easily, if possible, so you can quickly gauge the temperature in your attic.
- 4
  Place a floor fan in the attic opening so it can blow air down and out of the attic.
- 5
  Use foam or insulation to cover the remaining openings for better ventilation and to retain heat.
- 6
  Plug the fan in and turn it on whenever the attic temperature is 80 degrees or higher.
- 7
  Turn off the fan when the attic temperature drops below 80 degrees.

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