Triangle Whole House Fans
Reduce home cooling bills by up to 90% with the number 1 whole house fan in the world!
If your house already has an air-conditioning system, use your Whole House Fan at temperatures of 85 degrees or below and the air conditioner at temperatures of 85 degrees or above, and you'll receive maximum comfort with greatly reduced electricity bills. Savings of up to 90% savings are common. Northern California Whole House Fans keep you cool while saving money. It really is this simple and easy.
Service-free and quiet as a whisper, these fans come with Triangle Engineering's unique Automatic Belt Tensioning that extends motor life and eliminates the need for manual belt adjustments.