Family-owned and operated by brothers Martin and Ethan Kolt, Active Ventilation Products manufactures roof vents and ventilation accessories at its 63,000-square-foot U.S. factory. The Newburgh company has made roof vents since 1997, offering more than 700 models for residential and commercial roofing, including its spindle-free Aura gravity ventilator. Many AVP products are UL Classified and approved in Florida and Texas, with certified models tested for winds exceeding 200 mph.
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Mestek Commercial Damper and Louver Group (MCDLG)From its Wyalusing, Pennsylvania base, Mestek Commercial Damper and Louver Group brings together several HVAC brands to manufacture air-control and ventilation products for construction projects. With more than 50 years in the HVAC industry, MCDLG makes its products in the United States and supports the field through AMCA-certified offerings, UL Life Safety products, and continuing-education courses. It is a division of Mestek Inc.WYALUSING, PA
ESS Energy Products, IncVeteran-owned and family-run since 2002, ESS Energy Products grew from founder Jim Melesky’s effort to address overlooked energy loss at attic entrances. The company makes its Energy Guardian® covers in the USA for homeowners, contractors and home-performance programs, with a design intended to improve comfort and indoor air quality while reducing heat transfer. Melesky now works alongside his sons in the business, which holds 10 U.S. patents.PAOLI, PA
Haydon CorporationFamily-owned and U.S.-owned, Haydon Corporation manufactures metal framing, rooftop support systems and hydronic baseboard heating products for construction applications. The company has spent 60 years pairing local-supplier flexibility with national reach, assembling its products in the United States and shipping through facilities in California, New Jersey, Ohio and Texas. Haydon is also a UL-listed manufacturer whose H-Block rooftop supports use 100% recycled rubber.STOW, OH
PVC Vent ScreensFounded by electro-mechanical engineer Bill Woosley to solve a winter venting problem, North Olmsted’s PVC Vent Screens manufactures protective screens and caps for high-efficiency furnaces, power-vent water heaters and boilers. The Ohio company still makes its products in the United States using American-made materials, with custom venting solutions also produced for industries including aerospace, energy and health care. Its PVS designs are built around seasonal airflow needs, pairing insect protection in warmer months with high-airflow rodent protection during winter.NORTH RIDGEVILLE, OH