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Innovative HVAC Solutions for the Mid-Atlantic

Air handling, humidification, VFDs, airflow measurement and UV for engineers, contractors and building owners across Baltimore, Washington, DC and Northern Virginia, with parts and service after startup.

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BALTIMORE · WASHINGTON, D.C. · NORTHERN VIRGINIA

Built in the Field, Not Just on Paper

Our team doesn't just spec equipment — we're on-site for the install, the startup, and everything after. From custom air handlers to the drives, sensors, and controls that keep them running, ATS stays involved through the life of the system.

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  • Design assistance and equipment selection

  • Factory-trained startup and commissioning

  • Hands-on ABB VFD training at our Elkridge office

Explore Our Capabilities
HOW CAN WE HELP?

Equipment, parts and service from one local team

Specify equipment

Custom and modular air handlers, fan arrays, VFDs, humidification and IAQ, with design support for engineers.

View Product Lines

Buy parts

Order genuine Condair cylinders and American Ultraviolet lamps online, or ask our parts team to source anything else.

Shop the store

Get service

ABB VFD startup and commissioning, troubleshooting, warranty and preventive maintenance across the lines we sell.

Request service
THE ATS STORE

Shop genuine OEM parts

Shop Parts Online
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Condair
Replacement Steam Cylinders

Genuine Condair and Nortec cylinders for EL, NHEL, MES and more, stocked in Maryland and ready to ship.

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Condair
Humidifier Controls & Valves

Genuine Condair control components and fill and drain valves to keep your humidifiers running.

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American Ultraviolet
UVC Replacement Lamps

Genuine replacement lamps for American Ultraviolet coil cleaning and air disinfection systems.

FEATURED PROJECTS

Proven on Mid-Atlantic jobs

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ABB VFD Retrofit
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Fan Array Retrofit
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ABB VFDs
Ready to work with ATS?

Tell us what's going on and we'll route it to the right team: sales, parts or service.

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