My Guys Plumbing, Heating & Air worked on my furnace. Both the owner and the technician came back the second day because of another issue. They were very helpful and they assured me they'd get it fixed. They explained a lot. They had a lot of knowledge and they explained what was going on. They took their time. It's an old furnace in a new condo I bought. I felt very comfortable with My Guys Plumbing, Heating & Air.