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Greenheck’s Model AER sidewall fan is a direct-drive fan with a cast aluminum propeller. The AER model is available in four sizes: 20, 24, 30 and 36 inches.
Many people have seen dirt on registers and the ceiling around the register openings. Oftentimes the HVAC system will appear to be clean. So what could be going on?
The money comes from the Danfoss Turbocor Compressors division and the Mads Clausen Foundation, an organization formed in Denmark in 1960 by the founder of the HVAC market company.