Very professional, showed up on time. My furnace bit the dust. They came out, tested, and determined that the system needed to be replaced. The manifold was leaking CO into the flow. It was a 20+ year old system whos time had come. They told me it would be up to two weeks, as they had to order the new unit. However, they got the order early and scheduled within a week. Very prompt and installed in the amount of time they stated. There were no hidden price surprises. They quoted and that is what I paid. They clean up after the job was done. I'm happy! Heater works great now and more efficient than the old system.