Higher SEER units prove better cooling power and lead to more comfortable spaces. In general, good SEER values for residential air conditioners are 14 to It will not always perform at 21 SEER because of other variables such as outdoor temperatures , thermostat settings, building envelope and current ductwork. This is how it simulates a typical season.
Keep in mind that SEER ratio is a maximum efficiency rating, like the miles per gallon for your car. Say your car gets 28 miles per gallon on the highway.
The same goes for your air conditioner. First, it should come as little surprise, but a more energy-efficient system will carry a higher price tag, and that might cut into your actual savings from purchasing the more efficient option. Sure, a more energy-efficient system will save you more money on your energy bills, but will that additional savings make up for the added initial overhead on your initial system purchase?
However, more efficient systems also have another advantage—rising energy costs. When energy costs go up, those with inefficient systems feel the strain a lot more than those with more efficient alternatives.
While any system will lose efficiency over time and use, systems with a higher SEER rating will generally pay off a lot more in the long run when energy costs go up. In fact, switching from a year-old eight SEER system to a new 12 SEER option is a huge improvement, and you will see a huge difference in both your home comfort and your energy bills almost immediately!
The difference will be even greater for more efficient options as well. Zip Update Zip Code. Please enter a valid zip code. See all dealers. See More. Tell us what you think Please take a short survey about your experience on Trane.
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