I would give Heat King Mechanical a 5 + for everything! Everything arrived exactly on the day when they said it was going to arrive and the estimate was about 35% less than all the other estimates I got.
It's just great quality of work and I was very happy with the stuff and with how they explained some things that weren't needed and that were more expensive so that I didn't have unnecessary expenses. So, all around I'm very happy and everything is working a lot better than before.