Proudly Serving the DC Metro Area & Beyond.
OneSource is the only call you need to make for your commercial air conditioning and heating needs. We cover a full spectrum of mechanical and HVAC services, from installations to preventive maintenance agreements. Our expert service techs are factory trained and certified professionals and have all graduated a rigorous 5 year trade specific training program. We also offer 24/7/365 emergency service for our contract customers.
Call Us Now: 301-602-7830
Preventive Maintenance
We specialize in extending the life of your mechanical equipment by peiordodiclly inspecting and maintaining it. By recording data and reviewing it on a regular basis potential problems can be identified and corrected before it becomes an emergency repair.
We always maitain equipment exactly as reccomended by the manufacturer. This includes not only the tasks and frequency, but also the reccomended types of fluids, lubricants, whether senthitics or not.
Installations / Replacements
We can also remove, replace, & retrofit equipment and systems as needed.
Including but not limited to:
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Chillers
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Cooling Towers
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Rooftop Units
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Air Handling Units
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Split Systems
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Pumps
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Domestic Booster Systems
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VFD's
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Energy Savings Projects
No project is too small for OneSource, from mini-splits to chillers, we have the experience and the know-how to execute projects safely and professionally.
Service Repairs
We offer 24/7/365 emergency service to our contract customers. We are experienced, and in most cases factory trained and/or certified in the installation and repair of the commercial equipment we service.
One call gets it done. We pride ourself by getting to your site the same day you call depending on the nature of the problem. We want to be your "go-to" or, one source for mechanical repairs and services.