Born from U.S. Department of Energy research at Lawrence Berkeley National Laboratory, Aeroseal develops aerosol-based technology that seals leaking HVAC ducts and building envelopes from the inside. Founded in 2010 by Dr. Mark Modera and Amit Gupta, the Miamisburg company’s systems have been used to seal more than 260,000 buildings worldwide, while its dealer network delivers computer-controlled air sealing in more than 30 countries.
GREENGUARD Gold
UL Classification 32HK
NFPA 285
Compliance program
ASTM E779
Compliance program
ASTM E1554
Compliance program
CGSB-149.10-M86
Compliance program
EN 13829
Compliance program
ATTMA Technical Standard 1
Compliance program
NFPA 2001
Compliance program
RESNET
Compliance program
USACE
Compliance program
UL
Quality certification
Cool Air ProductsBorn from an idea in a garage in Ellicott City, Maryland, Cool Air Products is a family-run manufacturer of patented HVAC problem-solving products, including the SmartSeal leak-repair line. Its solutions are developed for the professional trade, with manufacturing standards, third-party testing, and support from a technical team and R&D laboratory. Founder and president Mike Walton leads the company as it builds practical products intended to save contractors time and money in the field.COLUMBIA, MD
Carlisle HVAC BrandsCarlisle HVAC Brands manufactures HVAC products intended to improve duct-system performance, energy efficiency, and indoor air quality. Its Hardcast sealants, adhesives, and coatings have been produced since 1965, while its Gripnail insulation fastening systems date to 1966 and DynAir has manufactured duct airflow hardware for more than 40 years. Carlisle HVAC Brands is part of Carlisle Weatherproofing Technologies, a wholly owned subsidiary of Carlisle Companies.NITRO, WV
DMI Companies, IncFounded in 1978 as Ductmate Industries, DMI Companies, Inc. is a manufacturer of HVAC products and building automation systems serving contractors and builders worldwide. Its four manufacturing divisions produce union-made products, and the company is known for engineered duct systems and components. DMI operates manufacturing facilities in several states and also offers Airoverse building automation for commercial buildings.CHARLEROI, PA
Elima-DraftElima-Draft grew from a 2009 garage prototype developed by two families who discovered cold air coming through their closed HVAC registers. Today, the American-made company serves homes and businesses with magnetic vent covers designed to improve comfort and reduce drafts.EAST SETAUKET, NY