Annexair
Applied Commercial HVAC Equipment
Annexair manufactures high-performance, custom and semi-custom air handling units designed for commercial, institutional, and industrial HVAC applications. Their systems are engineered for flexibility, offering a wide range of configurations that support ventilation, energy recovery, humidity control, and indoor air quality requirements. What sets Annexair apart is its focus on efficiency, airtight construction, and advanced heat recovery technologies that help reduce energy consumption while maintaining reliable system performance. With strong engineering support and a commitment to quality manufacturing, Annexair delivers solutions built for long-term durability and consistent operation in demanding environments.
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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.
368 Commercial Street
Suite 100
Bridgeville, PA 15017
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
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Get expert guidance, responsive service, and the confidence that your HVAC system is built to perform.