How come there is such a big difference in price quotes from different contractors?
First, you need to be sure you are comparing apples to apples. There are different efficiency ratings, from 13 SEER minimum up to 19 SEER. Manufacturer warranties may also differ from 1-year parts, 5- year compressor all the way up to 5-year parts, 10-year compressor. There are extended warranties that also include labor. There are several brands of equipment whose prices and warranties vary a great deal. Some contractors may be offering zoning or two stage compressors, where others may not be. For more information about how to efficiently heat and cool your home, visit the Energy Star website.
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