I hired Abacus Plumbing, Air Conditioning & Electrical and the guy who came in did some maintenance and a spring service call. He was just really professional, really polite and let me know about my AC units, I have two. He let me know one of them had issues, it was a little older and he took care of it. He also cleaned out the filters and showed me how to do that myself. Overall I am just very very happy with everything they did. I would recommend them.