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Question DetailsAsked on 7/14/2016

where can i buy a coil for ac unit

Have a leaky coil in my AC unit in house where can I buy one

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1 Answer


Heating and Ventilation supply houses locally and online, and normally from original manufacturer.

However, you need special equipment to remove and replace the refrigerant (illegal to just vent it, if any is left in the system) and to check that it is properly charged to the right pressures - plus illegal to do this without the appropriate EPA license, so while you can buy the coil yourself you cannot legally install it (which generally requires copper tubing soldering or brazing which most people cannot do right anyway).

And note - if you buy the coil the contractor is not going to warranty it, and some or most OEM manufacturers honor their warranty only if professionally installed by a licensed HVAC contractor. Plus many contractors will charge you the markup they would have made on the coil even if you supply it, and some use flat-rate fees for a given job so charge the entire coil cost with markup even if you supply it, so you are rarely going to do yourself a favor buying the coil.

And PLEASE do not buy one of the cheap eBay or discount house or similar pieces of Chinese junk - some of the stuff coming in from Asia and Central/South America is just terrible looking, very shoddy soldering and sometimes corroded right out of the box, some do not use proper materials type or grade for the use or just copper-coat junk metal - saw one that a contractor was showing around that was glued PVC pipe sprayed with a copper paint to look like a copper coil. Spend the few hundred $ extra and get quality brandname components so hopefully you will not have to worry about this again for 10 or more years.

More previous questions with responses on typical evaporator coil replacement (assuming you mean evaporator and not condensor coil) can be found in the Home > HVAC link in Browse Projects, at lower left. Some questions with answers there also address teh economics of replacing a coil versus getting the benefits of new warranty and higher operating efficiency and possible getting away fromthe R-22 (Freon) phase-out issue and costs by buying a new A/C unit rather than replacing a coil (which is commonly $1000 or more).

Answered 3 years ago by LCD

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