Thermo Manufacturing has served the heating and cooling industry since 1992, founded by a former HVAC contractor. Known for its signature product, Thermopan, Thermo offers a superior alternative to sheet metal for return air ducts, simplifying contractors’ work worldwide. Based in Canton, Ohio, Thermo continues to innovate and support the next generation of HVAC professionals with products made in North America, remaining a trusted supplier in the industry.
SHARGO MANUFACTURING
Shargo Manufacturing is a global manufacturer and exporter of HVAC grilles, registers, diffusers, and sheet metal products. With state-of-the-art fabrication and powder-coating facilities in India and distribution in the U.S., Shargo delivers high-quality, competitively priced solutions for residential and commercial HVAC needs. We also produce generator canopies, control panels, and custom enclosures, supporting distributors, OEMs, and contractors worldwide with reliable products and scalable supply.
Selkirk®
Founded in 1933, Selkirk® has been a trusted leader in factory-built chimney and venting systems for nearly a century. As the original innovator in the category, Selkirk is known for products that deliver safety, durability, and easy installation for both professionals and DIY customers. With industry-leading warranties and support, Selkirk provides reliable, efficient solutions that ensure comfort and long-term performance in residential and commercial applications.
HaVACo Technologies, Inc
Havaco designs and manufactures superior quality plastic, America-Made heating, ventilation, and air conditioning products with the intent to solve installation, distribution, or on-going maintenance concerns. Whether it is ease of install, ease of use, shipping and warehousing benefits, or product longevity, HaVACo products are THE NEW STANDARD for all your commercial, institutional and residential projects. Our superior quality plastic will not rust, corrode, or discolor. | Havaco designs & manufactures superior quality plastic, American-made HVAC start collars, grilles, registers and diffusers. Havaco’s plastic grilles, registers and diffusers won’t rust, corrode or discolor. The New Standard in HVAC Air Distribution products.
Hart & Cooley®
Founded in 1901, Hart & Cooley® is a trusted leader in HVAC solutions, delivering high-quality air movement and venting products for residential and commercial applications. From grilles and diffusers to chimney and venting systems, our offerings are engineered for comfort, safety, and efficiency. With a legacy of innovation and North American manufacturing, Hart & Cooley is known for reliability, performance, and long-term value—supporting contractors, builders, and homeowners with trusted solutions that last.