HVAC • Air Handlers, Exchangers

 An air handler is a device used to condition and circulate air within a heating, ventilating, and air-condition (HVAC) unit. Air handlers are usually housed in large metal boxes that each contain a blower, heating and/or cooling elements, filter racks, sound attenuators, and dampers.Air handlers are referred to by many names. Terminal units represent small air handlers, which are comprised of only an air filter, coil, and blower. A makeup air unit (MAU) contains only outside air, rather than recirculated air; and a packaged unit (PU) or rooftop unit (RTU) is designed for outdoor use, typically on roofs.Leading manufacturers: Trane, Goodman, Rheem, Lennox, American Standard, Hydronic and York. 

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