Call to Schedule a Consultation: (240) 683-6900 And get your building EnergyStar Rated
Custom Commercial HVAC Solutions - Custom HVAC Solutions Custom Commercial HVAC Solutions - Custom HVAC Solutions

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.

Custom Commercial HVAC Solutions For Washington D.C. Facilities

Every commercial facility has unique maintenance needs. However, we have yet to find a building that couldn’t experience some level of improved functionality, lower cost, or both, by means of energy efficient, custom HVAC solutions.

Whether your goal is to improve tenant comfort, reduce operating costs, enhance energy efficiency or you have a completely different challenge, our custom approach to facility maintenance will get to the bottom of your HVAC needs. Thornton Service’s experienced HVAC service technicians understand the challenges that facility managers face, and have a solution to each unique situation.

Managers of mixed use facilities with highly specialized needs rely on Thornton Service for innovative HVAC services that include:

Learn more about our comprehensive and customized HVAC services.

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.