A properly sized system will constantly pull moisture from the air, leaving you comfortable and your home mold-free. In humid parts of the country this is even more of a problem, because heat pumps also act as dehumidifiers. But if you oversize your unit, even a variable speed model will kick on and off frequently, as its lowest speed might still overheat your home. Rather than kicking on and off constantly, variable speed heat pumps can provide a steady comfortable temperature. AC article, most heat pumps have variable speed motors, meaning they adjust how much heating or cooling they provide based on the temperature outside.

The problem with oversizingĪs we covered in our Heat Pump vs. Though, make no mistake: a properly sized heat pump definitely works in cold climates. If you have backup electric resistance heat, also referred to as heating strips, your home will stay warm, but you could spend a fortune on electricity. Undersize your heat pump and it will struggle to keep your home warm on the coldest days. Incorrectly sizing a heat pump comes with some major problems. But many homeowners, and even experienced installers, don’t get it right. Why rules of thumb and online calculators are almost always wildly inaccurateīecause of the unique way they work, sizing a heat pump is one of the most important parts of the installation process.The problems with undersized and oversized heat pumps.The benefits of correctly sizing a heat pump.In this guide we’ll go over everything you need to know about sizing an electric heat pump for your home.

Tons of ac per square foot