Johnson Air Rotation
Air Rotation Systems
Johnson Air-Rotation HVAC Systems specializes in heating, ventilation, and air distribution solutions for large, open facilities. Its patented Air-Rotation technology helps reduce temperature stratification, improve occupant comfort, and support energy-efficient operation in expansive spaces. The company’s product portfolio includes Air-Rotation systems, make-up air units, and heating and ventilation equipment designed for reliable performance in industrial and commercial applications.
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
The Experience Behind Every Recommendation
Behind every equipment solution is Havtech’s own established legacy of commercial HVAC expertise, driven by our decades of experience, extensive project history, and trusted industry relationships.
Product Categories
Products That Fit Your Needs
Kodiak Series
The Kodiak Series Vertical Fan Coil is a high capacity, customizable cooling solution that delivers reliable performance, flexible configurations, integrated controls, and efficient filtration for critical commercial and industrial environments.
Alpine Series
The Alpine Series Reverse Flow Wall is a high capacity, space efficient cooling solution that combines customizable airflow, filtration, controls, and piping options with durable construction for reliable performance in critical environments.
Glacier Series
The Glacier Series Horizontal Fan Coil Wall is a high capacity, customizable cooling system that delivers efficient, reliable performance with flexible filtration, controls, and piping options for demanding commercial and industrial environments.
Denali Series
The Denali Series Dry Cooler is a high capacity, customizable cooling solution designed for reliable and efficient performance, featuring flexible controls, piping configurations, and durable construction for critical applications.
What You Get When You Work With Us
Johnson Air-Rotation’s proven air distribution solutions are backed by Havtech’s local expertise and project support. Our team provides equipment selection, application guidance, design assistance, and technical support for both new construction and retrofit projects. We work closely with engineers, contractors, owners, and facility teams throughout the Mid-Atlantic region to help deliver reliable, energy-efficient performance.
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
Applications and Industries
Designed for the Buildings You Work In
Johnson Air-Rotation systems are commonly used in manufacturing facilities, warehouses, distribution centers, aircraft hangars, athletic facilities, and other large commercial or industrial spaces with high ceilings and open floor plans. Their heating, ventilation, and air distribution solutions help maintain consistent temperatures throughout the occupied space while improving comfort and reducing energy waste. These systems are especially effective in applications where temperature stratification and ventilation performance are ongoing challenges.
Fast Answers. Full Support. Real Results.
Get expert guidance, responsive service, and the confidence that your HVAC system is built to perform.