Service Areas Please note that the following list includes just some of the areas we serve. Services We work on many different types of systems and brands of equipment. To learn more please give us a call. Warren, MI AC Repair Furnace Repair Heat Pumps Indoor Air Quality Reach-Ins Call Us First For all of your home comfort needs. We can be reached by phone at (586) 759-8400 or through the contact form here on our website.