Johnson Air Rotation
Air Rotation Systems
Johnson Air-Rotation HVAC Systems is the leading manufacturer of industrial heating and cooling systems and warehouse HVAC. Founded in 1921, Johnson Air-Rotation HVAC Systems sets the bar by creating a new technology now known in the industry as Air-Rotation. Johnson Air-Rotation Systems have been proudly manufactured in the USA and is the ONLY UL® listed Air-Rotation/Air Turnover system in the industry.
Data Center Cooling
DataCool – Advanced HVAC Solutions for Data Centers
DataCool by Johnson/Marcraft delivers custom data center cooling systems engineered for high-performance, energy efficiency, and scalability. Designed for modern facilities, DataCool solutions provide precision cooling for data centers and mission-critical environments.
Products:
- Kodiak Series: Vertical fan coil wall
- Alpine Series: Reverse-flow fan wall
- Glacier Series: Horizontal fan coil wall
- Denali Series: Dry cooler
Find Your Local Partner
Proudly Representing Across the Region
Havtech partners with manufacturers to deliver innovative solutions across the Mid-Atlantic and beyond. With dedicated regional offices and expert teams, we bring industry-leading products and responsive support closer to you – wherever your projects take place.
9505 Berger Road
Columbia, Maryland 21046
Call Columbia Service and Sales at (301) 206-9225
24/7 Standard & Emergency Requests: For 24/7 Standard & Emergency Requests, call Columbia Service and Sales at (443) 832-1750
193 Thorn Hill Road
Suite 210
Warrendale, PA 15086
Call Cranberry Township Service and Sales at (412) 468-0133
24/7 Standard & Emergency Requests: For 24/7 Standard & Emergency Requests, call Cranberry Township Service and Sales at (412) 468-1009
2550 Ellsmere Ave
Suite B
Norfolk, Virginia 23513
Fast Answers. Full Support. Real Results.
Get expert guidance, responsive service, and the confidence that your HVAC system is built to perform.