Trust the professionals of Gregory Heating and Air for all your installation, air-conditioning, and heating services. If you have no heat at your home or business, we can evaluate the system and determine the source of the problem. Our company works within your budget, so we try to never leave anyone without heat. We also do repair work on the controls for heating and cooling systems. Visit or contact our experts in Sterling, Virginia for air conditioner repairs, as well as heating and installation services.