Ceiling mounted cassette units work on the same principle as the wall mounted systems. Ceiling mounted systems are also used in places where aesthetics is an issue. The thermal comfort from the wall mounted units may not be satisfactory for occupants in large rooms, so ceiling cassette units ...
Mount the fan assembly in an opening cut near the ceiling on the wall between two rooms - one that is too warm and a second that is too cool. These systems often work using low-voltage motors and controls, powered by a separate power transformer and low voltage wiring - easy and less...
A bath vent fan duct that is too short may violate the manufacturer's installation instructions, may not work properly, or may be drafty; a bath vent fan duct that is too long may restrict air flow such that the fan is not functional. This bath vent fan installation, troubleshooting, ...