A couple years ago we had a furnace and AC installed in our house. Unfortunately the product has had a lot of issues. So I can definitely compliment them on their service. They have been here about 9 times since they installed the system. I am disappointed about how many times they have had to come. When I do call them they always come the same day, whether a weekend or a holiday, and they are very polite and great on the phone.
They also installed a new hot water heater and I haven't had any problem with that, as well as some other plumbing work and it's been great.