Design/Build Mechanical Contractor

Heating & Air Conditioning Specialists

Adrian L. Merton, Inc. is a Design/Build Mechanical Contractor with experience since 1966 in the design, installation, and service of commercial, industrial and residential equipment. We are a diversified company, with over 150 employees, and successful in the new construction, building retrofit, service, and maintenance for all types of mechanical systems. The firm is fully licensed and bonded for all local jurisdictions.


Contracts are tailored to meet the needs of our clients. Prior to summer and winter we perform equipment changeovers. At this time, a thorough performance evaluation of the heating or cooling section is completed to determine the integrity of the equipment. This ensures that your HVAC equipment is ready to handle the upcoming change in weather.

New Construction
Renovation/Retro Fit


Government of the District of Columbia
Master Plumber/Gas Fitter
Refrigeration & Air Conditioning Contractor
Refrigeration & Air Conditioning Master Mechanic Limited

State of Maryland
Maryland Construction Business (Contractor)
Maryland Master HVACR
Maryland Master Plumber