Welcome to Blue Dot Services! Servicing the Mid-Atlantic region for more than 40 years, our company has grown to over 400 employees. Why? Because of the close attention to detail, fast response, staff of leading industry experts, and superior reliability that we extend to all of our customers as a heating and air conditioning contractor in Maryland. Our service areas include the following counties: Anne Arundel, Baltimore, Baltimore City, Carroll, Cecil, Harford, Howard, and parts of Montgomery, Prince Geroge's, Frederick and Queen Anne's.

If your furnace, heat pump, boiler, or air conditioning system is in need of repair, our Trust Certified Technicians are ready to fix the problem and get your heat or AC back on. If you need a completely new installation, our Expert Care Consultants will analyze your home, discuss your goals, and recommend the most effective system to fit your lifestyle. And if you just want peace of mind knowing your heating and cooling systems are running at peak efficiency and there are no underlying issues that could turn into major catastrophes, our Blue Guardian and Blue Guardian Plus preventive maintenance policies are the solution.

When you need a reliable and trusted heating contractor or air conditioning company that has proven their leadership in the HVAC industry, just call 1-800-BLUE DOT!

Comfort, Courtesy, and Peace of Mind ~ Right on the Dot.