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If anything seems odd ask questions Who is coming out to work? How long have they done this? Do they get a commission for sales? |
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Any Tech should be able to explain in plain language questions they hear everyday like. What is a BTU? Why do they size ac in tons? What is the difference in R22 & 410? What they found wrong with your system and what it will take to repair it. |
This site has a lot of information |