Before the extreme temperatures of the summer and Winter months, it's important to make sure your AC and heating units are in tiptop shape. Luckily, Thompson HVAC has some of the best HVAC contractors in the Capitol Heights, MD and the greater DMV area. With over 15 years of industry experience and excellent customer service, we're the preferred choice when it comes to HVAC companies.Need a new AC unit? Call 240-412-5688 to get an estimate on our HVAC installation services.