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"He came and I showed him a problem I was having with my heating system making noise. He was a very nice gentlemen. He gave me a quote and I told him I would decide what to do. I appreciated how he explained things to me honestly and his diagnosis. I was very happy with his work.I purchased a Big Deal for a heating service call &amp; half hour diagnostic."
<https://www.greenhvacair.com/residential/indoor-air-quality/>