Residential Installation

We offer the BEST in residential Heating & Air Conditioning installation in Maryland.

Heating and Air Conditioning Service in MD and N. VAAt Thompson BEST, we like doing new installations in existing homes. There are many hvac companies that won’t install systems in existing homes, but at Thompson BEST, we consider ourselves the BEST at installing systems in existing homes. We have done many historical homes and Victorian style houses that others said could not be done.

Over the years, we have been called in to install systems in the historical homes of Charles Carrollton, one of the Madison homes, and one of the Washington homes.  Many of the historical homes in Frederick, Maryland, Leesburg, Virginia, and Washington, D.C. have our systems operating in them.

We take pride in the ability to install systems in these homes and the relationships that we have developed with people that we have worked with in these installations.


Thinking of building a new home or remodeling your existing home in Northern Virginia or Maryland?

At Thompson BEST Heating & Air Conditioning, we can answer all your questions and help you make the right decisions on the BEST system for your home. This is probably the one of the most difficult decisions for home owners to make. What type of heat or cooling do we install in our new home or during remodeling because this is a decision one must live with for a number of years.

At Thompson BEST, we sit down with you and ask a number of questions about your lifestyle, your activities, your future plans and then help you design the BEST system to meet those needs. It is our responsibility to help you establish a budget, a design, and a plan that provides the most economical system for your family.

When you are building a new home, we at Thompson BEST have the ability to design your new system using the Wrightsoft “manual J” computer program to calculate the heat gain and heat loss on your new home. We also can show you the efficiency of each system, the operation cost and the amount of insulation you may need to help you save energy.

When you are thinking about building a new home or remodeling your existing home, make the BEST call today to save money on your new hvac system. Tell your builder, that you want to use Thompson BEST.


The BEST people understand that we our guest in your home and we treat it accordingly. We vacuum your home when we have completed the installation and carefully measure before we cut anything. We also work with you so that the installation of your system is a pleasurable experience for you.

Call the BEST people today and start your BEST experience right away for your home.

We are a Luxaire “CCE Dealer” Dealer, guaranteeing you the BEST quality. Luxaire and Trane Corporations are some of the world’s leading manufacturers of heating and air conditioning systems. So, you’ll be pleased to know that BEST Heating & Air Conditioning is a Factory Authorized Dealer – recognized by both Luxaire and Trane for the highest standards of excellence in technical expertise, business practices and customer satisfaction.

Interested in our Priority Service Club Membership? Check it out here.

All of our technicians are NATE certified – a national competency certification that helps ensure your satisfaction. Very few dealers of heating and air conditioning products receive the “CCE Dealer” status in the industry making us one of the few you can trust to do a great job in your home.

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