When your HVAC system isn’t functioning properly it’s an inconvenience to you and your customers.

Our expert mechanics provide 24-hour assistance ranging from on-the-phone technical troubleshooting to on-call, same-day emergency service on all makes and models of equipment.

Our offices are conveniently located just off the beltway in Upper Marlboro, MD — minutes from anywhere in the DC metropolitan area.

How can we serve you?

S&W Controls specializes in the service and installation of:

  • All heating and air conditioning equipment
  • Computer room A/C systems
  • Variable frequency drive service
  • Pump repair and replacement
  • Refrigeration service
  • Chiller/boiler service and repair
  • Certified air balancing
  • Cooling tower service and repair
  • Complete duct work installation
  • Piping and duct work insulation
  • Application, design, and engineering assistance
  • Remote equipment monitoring
  • Control troubleshooting and repair
  • Smoke removal systems
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