Quote:
Originally Posted by jrref
I agree. HVAC units are increasing in price because the technology is changing giving us more efficient units in addition to the new refrigerant. I also agree most of these techs really don't know all the details. If your HVAC unit is over 15 years old, you need to plan on replacing it at some point after that. It could last 20 years but there is no way to know for sure. Also know if your unit is 15 or more years old the replacement will be a lot more efficient so you will be saving a significant amount of money on your electric bill.
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The new units will only be significantly more efficient if you pay for the upgrades such as variable speed or multispeed compressors and indoor fans. You probably won't see much difference if you replace it with a standard single stage compressor.