A trusted HVAC service provider

Ready to quickly respond, consult and resolve mechanical concerns

HVAC Service

RM Thornton Service’s experienced technicians repair, replace and maintain heating and cooling systems for commercial, government, hospital and institutional buildings throughout the Washington metro region.


For many of RM Thornton’s customers who have medical facilities and research laboratories, continuous heating and cooling service is crucial to their operations.  As a trusted mechanical service provider, RM Thornton is always at the ready to quickly respond, consult and resolve any mechanical concern with the highest level of integrity.

RM Thornton has experienced HVAC technicians who are trained to service all types of heating and cooling systems including rotary screw, reciprocating and centrifugal style chillers.

  • Air Conditioning and Heating Systems
  • Chillers – screw, reciprocating and centrifugal