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Home Ventilating Institute
The Home Ventilating Institute (HVI) today represents a wide range of home ventilating products manufactured by companies in the United States, Canada, Asia, and Europe, producing the majority of the residential ventilation products sold in North America including Bathroom fans, Exterior mounted fans, kitchen rangehoods, Balanced ventilators, Downdraft kitchen fans, Whole house cooling fans, Inline fans, Powered attic ventilators, Heat/energy recovery ventilators, Passive fresh air inlets, Single and multi-port exhaust fans, static ventilation devices for attics and crawl spaces. The Certified Rating Programs of HVI were created to provide a fair and credible method of comparing ventilation performance of similar products.
Hvi.org ~
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Heating | Ventilating | Air Conditioning
H-Mac Systems, Inc. specializes in heating, ventilation, and air conditioning equipment for commercial and industrial buildings. Products we offer include fans, starters, disconnects, electric heaters, natural gas heaters, propane heaters, steam heaters, hot water heaters, heat transfer coils, ductless split system air conditioners, fan coils, air handlers, terminal units, registers, grilles, diffusers, electric humidifiers, energy recovery units, and filters.
H-mac.com ~
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