Call to Schedule a Consultation: (240) 683-6900 And get your building EnergyStar Rated
Commercial HVAC Services DC | Commercial HVAC Service Commercial HVAC Services DC | Commercial HVAC Service

A leading commercial HVAC company serving Washington DC, Virginia, and Maryland.

Thornton Service provides commercial HVAC services to clients throughout the Washington metropolitan area. Our skilled HVAC technicians specialize in preventive maintenance and repair of commercial heating and cooling systems. From emergency repair to maintenance-only HVAC contracts and facilities management, we support a range of industries, including healthcare, education, government and mission critical data centers.

See how we keep HVAC systems functioning at peak efficiency.

Commercial HVAC Service CompanyA Leading Provider Of Commercial HVAC Services in DC

Thornton Service specializes in energy efficient, heating and cooling commercial HVAC services to lower operational costs and maintain a comfortable environment for over 150 accounts in the Washington, DC metropolitan area. 

Our experienced HVAC technicians work with building managers and operators in a variety of industries to improve overall HVAC performance year round. From preventative maintenance to emergency repairs, we focus on each client’s specific circumstances to keep facilities running at maximum efficiency.  

Commercial HVAC Services Include: 

Through reliable HVAC services, we help owner-occupied and managed commercial buildings in Washington, DC, Montgomery, Prince Georges and Howard Counties in Maryland and Northern Virginia meet and exceed business objectives. Whether you need recommendations on how to save energy and operational costs or insight into prolonging the life of your equipment, we can help keep HVAC systems running at peak efficiency. From single building needs to entire campuses, our intent is to always deliver the greatest return on your HVAC investment.

Commercial HVAC Equipment Serviced: 

  • Packaged terminal air conditioners (PTACs) 
  • Air handling units (AHUs) 
  • Split system air conditioning units 
  • Self-contained air conditioning units 
  • Rooftop air conditioning units 
  • Chillers: centrifugal, reciprocating and screw 
  • Computer room air conditioners (CRACs) 
  • Cooling towers 
  • Compressors: reciprocating, scroll, screw, rotary, open, hermetic and semi-hermetic 
  • Centrifugal pumps 
  • Heat pumps 
  • Boilers Vane axial fans 
  • Refrigeration and ice machines 
  • Variable frequency drives
  • Condensing units 
  • Glycol dry coolers 
  • Controls Fan coil units (FCUs) 
  • Variable air volume boxes (VAVs) 

Contact us to learn more about the HVAC services most suited for your commercial building needs and operational goals. 

Get Your Building Energy Star Rated
Schedule a Consultation

How is Your Building Operating Right Now? Protect Your Mechanical Systems

Preventative HVAC maintenance programs maximize efficiency and minimize equipment downtime. Make sure your commercial heating and cooling systems are on a healthy schedule with a customized HVAC maintenance program.

How to Save Money With Energy Efficient Systems

We know the path to energy sustainability is a journey not an event. We partner with each client to analyze their utility bills, identify no-cost/low-cost savings opportunities, implement operations and maintenance practices and identify system upgrades and retrofits with a return on investment.

What goes into an HVAC System? Built Up system vs. Package (Unitary) system

Which one is right for your facility? See the difference and learn about the components each includes.

(c) 2019 Thornton Service, Inc.
2401 Research Blvd., Suite 204 • Rockville, MD 20850 Phone: 240-683-6900Fax: 240-683-1147Email:

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