As we touched on before, a new outdoor heat pump AC unit is one of the most efficient systems on the market. The biggest problem with a heat pump is that it does not play well with furnace types other than those compatible with the outdoor heat pump AC unit, which is bad news for those that live in a dryer climate where particular air handlers/furnaces are needed. It heats more efficiently than an electric and gas system because a heat pump uses the outdoor ambient temperature and converts it to heat. It pushes the heat to the indoor furnace to distribute to the home. It does not use combustion or very much electricity to warm a home. Once temperatures drop below -10 degrees, a heat pump starts running into problems trying to create heat with that low of an ambient temperature. It has emergency heat strips that help to pick up the slack, but at the end of the day, it is just not designed to work in that cold of a temperature. The cost of a new heat pump AC unit is a little more than an electric air conditioner, but you will make up the difference in savings.
New electric air conditioners play well with different furnaces. This type of AC unit works well with the specialty air handler/furnaces needed for dry climates and the gas and oil furnaces needed up north. Overall, an electric AC unit is a much more diverse AC unit. The ideal application for it is in the northern and southwestern states in the US. The cost of a new electric air conditioner is more cost-effective than a heat pump and performs better in the northern states.
The “ton” rating of an air conditioner simply refers to the literal size of the system. What many Arizona homeowners are not aware of though, is what the term BTU (British Thermal Units) actually means. In short, it measures the heat content of fuels or energy sources. Regarding an air conditioner, this pertains to its capacity.
Either way, none of these definitions matter if you don’t know how to use them to select the right cooling system for your space. Even if a unit cranks out 35,000 BTUs, it still may not be big enough to cool your entire home. So before going with a 2.5-ton AC unit, you’ll want to determine where the opportunity lies.
With that being said, let’s take a closer look at a 2-ton AC unit and how it may or may not be ideal for your current living situation.
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