Addison
Dedicated Outdoor Air Systems (DOAS)
Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications.
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.
10025 Lickinghole Road
Ashland, Virginia 23005
1101 Hampton Park Blvd.
Suite 400
Capitol Heights, Maryland 20743
Call Capitol Heights Parts Counter & Warehouse at (443) 636-9210
9505 Berger Road
Columbia, Maryland 21046
Fast Answers. Full Support. Real Results.
Get expert guidance, responsive service, and the confidence that your HVAC system is built to perform.