Is a whole house fan really energy-efficient? Can you gain back the money that you spent on purchasing and installing the system in a few years?
A whole house fan is an energy-efficient alternative to air-conditioning units. Though it is more expensive, it offers a higher ROI and saves you money in the long run. These fans claim to reduce an average home's annual electricity bills by as much 90%. That sounds like a lot, but it is certainly possible if you buy whole house fans from trusted brands, install them properly, and use them regularly.
Designed to cool your home
Knowing how a whole house fan operates will help you understand why it is so energy-efficient. Typically installed in the attic, a whole-house fan is designed to draw hot air out, and bring cool air into the house. It works by pulling the heat or hot air out through the vents, and creating negative space so that outdoor air can come into the living space through the open windows. That is how it is able to reduce the temperature in the house. By delivering 3 to 6 air changes per hour, a whole house fan can keep the temperature cool for a long time.
Consumes less energy compared to AC units
With a whole house fan, you don't have to turn on your AC units at full blast throughout the day. Reducing the use of this cooling system will significantly lower your electricity bills. But here's another reason why you may not want to use your AC units at all (maybe except during summer season). The operational cost of a whole-house fan is less expensive compared to that of an AC unit. Why? Because unlike an AC unit, a whole house fan doesn't have to combat the heat. It actively removes the heat from the living space, making it easier and quicker to provide a cooling effect. It is one big reason why a whole house fan is an energy-efficient option.
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