How much does a whole house fan cost to operate?
A whole house fan will cost 5 to 10 cents per hour to operate. Your air conditioner will cost at least ten times more per hour to operate. What type of controls do you recommend? We use a 12-hour timer with a 2-speed switch. The fan must be turned on manually and the timer will shut it off. It is important that you are aware of when the fan is on so you can be sure to have some windows and doors open. That is why we do not use “automatic on” timers or thermostats. How noisy is the whole house fan? There are two types of whole house fans on the market, direct drive and belt-driven units. Delta Breeze whole house fans are belt-driven which are the quietest. The more blades there are the less each has to do to keep the air moving, allowing the fan to run at a slower speed. A slower speed means a quieter fan. The combination of more blades (ours having 6), the slower speed, and being belt-driven eliminates nearly all the noise associated with whole house fans. Remember, a quiet fan is one