This means running the whole house fan will cost approximately 90 percent less than running a central air conditioning unit for the same amount of time.
Attic fan vs air conditioning cost.
Fans can t match the raw cooling power of air conditioning units especially in warm climates but the air circulation provided by ceiling fans or a whole house fan can make a house feel substantially cooler for a fraction of the energy cost of a central ac unit.
With energy costs higher than ever many homeowners are looking for ways to reduce their bills while still keeping the whole house cool.
A good window ac unit runs on 1 2 kilowatts and costs 14 cents an hour to run.
A good ceiling fan it draws only 30 watts to run costing about 1 cent per three hours of use.
One energy concern with whole house fans is heat loss in the winter.
A central air conditioning system provides cooled air that is.
A three ton central air unit a common cooling system runs on about 3 kilowatts and costs about 36 cents an hour to run.
Comparing the cost of running a fan with the cost of air conditioning is a classic apples versus oranges comparison.
Having your hvac system in your attic isn t dire though you ll need to do some work to keep your air conditioner or furnace system running as efficiently as possible.
The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic.
Ad the infrared rays from the sun are powerful.
An air conditioner while serving many of the same purposes is different than a whole house fan.
How is an ac system different.
An attic fan on the other hand is a fan that exhausts only attic air out of the attic vents.
An attic fan may not reduce your air conditioning costs but a whole house fan is a different story.
The cost of air conditioning vs.
According to the article.
At typical utility rates a central air conditioner costs 43 cents per hour to operate.
A fan doesn t lower the.
A whole house fan moves air throughout the entire home including the living space and attic while an attic fan merely circulates air inside the attic.
There are many types of attic fans such as.
Running a ceiling fan costs about 1 cent per hour.
The first and possibly most important thing is to make a commitment to yourself to change your hvac filters regularly.
Fans and air conditioners do entirely different things.