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

Emergency Commercial HVAC Repair in Washington, DC

Thornton Service provides experienced HVAC technicians 24x7 to deliver after hour emergency HVAC response whenever customers need us. All technicians are trained to follow emergency procedures to ensure fast, accurate heating and air repair for clients throughout DC.

In addition to 24/7 response, we employ industry-leading technology to monitor our customerís HVAC systems in real-time. Our field technicians use a mobile communication platform to receive immediate access to critical technical and operational information. This extra layer of support enables rapid response and quicker diagnosis to minimize downtime during an emergency. 

Commercial HVAC Repair Services  

While we suggest all of our clients get on a regular HVAC preventative maintenance schedule, emergency situations are not always avoidable. The last thing you want for any commercial building is for tenants to be stuck in an uncomfortable environment, no matter what the season or time of the day. So whether you have an unexpected commercial HVAC repair or last minute heating and cooling system need, you can contact us 24 Hours a day / 7 Days a Week to resolve issues with equipment including: 

  • Chillers (reciprocating & centrifugal) 
  • Automated building controls 
  • Steam boilers (hi & low pressure) 
  • Hot water boilers Pneumatic air systems 
  • Hot and cold spots
  • No cooling/heating

Need help now? Call our emergency phone number: 240-683-6900 

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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