Get Your Air Flowing Right Again TRUST AN HVAC CONTRACTOR IN TROY, MO TO REPAIR YOUR HVAC SYSTEM You may not think about it regularly, but your heating and air system is essential to a comfortable home. What do you do if your system can't keep up with the changing seasons in Troy, MO weather? Turn to J & J Heating and Cooling for repairs or replacements. For the past 15 years, our technicians have been providing AC and heating services to our community. We know how to diagnose an issue and solve it before it becomes much worse. When we're done, your AC or heater will be running like new.