How Are Air Conditioners More Than 100% Efficient?

A woman holding a bill as she adjusts the thermostat in a home.

Energy efficiency is a big deal — and for a good reason. For example, air conditioning systems with high-efficiency ratings can help homeowners save money on their energy bills and improve their home comfort, among other benefits. As you can probably imagine, many homeowners will try to install an air conditioner with the highest efficiency […]

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