Serene Heating and Cooling Located in Rochester Hills, MI makes sure to do the best service for the best prices around. All of our technicians have HVAC licenses in the state of Michigan to work on furnaces, air conditioning, and water heaters as well as commercial HVAC units as well. We also make sure to give you a 100 percent satisfaction warranty to back up all of our work. Our technicians are trained in the field for furnace repair, air conditioning repair, water heater repair, and water heater installation. We also specialize in furnace installation for all the major brands as well, as well as air conditioning installation. Business Hours: 24 hours a day, 7 days a week