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

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 Services for Washington D.C. Utilities CompaniesWhen a major utility has issues with their HVAC system, the lives of millions can be affected, including friends, family, and loved ones.

At Thornton Service, we provide energy and building efficiency through reliable commercial HVAC services to local utility providers throughout DC. Our experienced heating and cooling technicians maintain the HVAC systems that utility companies up and running day after day.

We focus on providing long-term, reliable commercial HVAC services that keep utility facilities safe and efficiently running so they can do the same for the greater Washington D.C. metro area. By working with leading utility companies throughout the area, we know firsthand how important grid sensitivity and compliance issues can be and how HVAC needs factor in.

In addition to providing HVAC services and maintenance, Thornton Service is dedicated to safety. So much so that OSHA's regulatory requirements are just a minimum starting point for our comprehensive HVAC safety program. All HVAC technicians are trained on the proper tools and techniques for heating and air conditioning services to keep utility facilities safe, and to carry out their work in a safe manner.

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:

This is an outdated browser. For optimal viewing and security we recommend that you keep your browser up to date. Learn more at BrowserUpdate.Org.