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Our Story

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Mason Mechanical Services LLC has been providing dedicated Commercial HVAC service you can count on to Maryland and Virginia for over 10 years with 25 years of experience. From Frederick MD to Leesburg VA, we serve most areas throughout Virginia and Maryland. We specialize in service, repair and equipment change-outs. We do not do new construction install.

We repair all makes and models and specialize in:Service contracts, Air conditioners, Chillers, Boilers, Rooftop units, Cooling towers, VFD's, oil fired burner, water and steam boilers, tankless water heaters.

Broken refrigeration equipment can slow your business down...we are available 24 hours a day, 7 days a week, prepared for any situation.

If you have an air conditioner, chiller, ice machine, walk-in freezer or cooler that isn't actually keeping things cool, give us a call.

 

 

 

 

What We Do

Products/Services Relating to Mechanical Contractors
Products/Services Relating to Air Conditioning Contractors
Products/Services Relating to Boiler Repairs
Products/Services Relating to Air Compressors
Products/Services Relating to Heating Contractors
Products/Services Relating to Refrigeration Equipment
Products/Services Relating to Boilers
Products/Services Relating to Controls, Control Systems & Regulators
Products/Services Relating to Cooling Towers
Products/Services Relating to Pipe Coverings--Cold & Heat
Products/Services Relating to Radiant Heating Systems & Equipment
Products/Services Relating to Geothermal Energy Systems

Service Areas

Preferred Brands & Manufacturers

Mitsubishi Electric
Mitsubishi Electric
Carrier
Carrier
Trane
Trane
Johnson Controls
Johnson Controls
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