HH Technologies® is widely recognized as a leading supplier of high-performance, automated door systems, portable evaporative cooling systems and contract manufacturing services to other OEM companies. Since 1978, our on-site engineering and manufacturing operations in Bremen, Alabama has produced the most respected brands within the markets that we serve.

Our promise to provide the most innovative and dependable solution to our customers extends into our three primary business divisions: RollSeal, PolarCool and OEM Services.


RollSeal® Door Systems provide simple, functional and efficient environmental control. The heart of the RollSealâ„¢ door is a unique, patented curtain sealing system which provides excellent environmental and thermal separation.

PolarCool™ is a portable evaporative cooling system that provides cooling relief on the spot to an array of industries such as production and warehouse facilities, sporting events, automotive and manufacturing plants, outdoor/exterior cooling, and many others.

Our customers appreciate the careful, diligent attention we give every project. We go beyond conventional assembly-to creating a client-oriented support team that is dedicated to helping you achieve your goals. We accomplish this through on-time, efficient delivery, flexibility, and cutting-edge manufacturing capabilities.