Back draft damper
Back table clean station
Backdraft damper
Baffle vent for manufactured housing
Baffle vent with integral drift blocker
Baffled attic vent including method of making and using same
Baffled vent for flexible covers for outdoor use
Balanced pan humidifier
Balanced pan humidifier
Ball louver with liner assembly
Basement ventilator
Bathroom dehumidifier method and apparatus
Bearings
Bimetallic damper actuator
Biosensors for monitoring air conditioning and refrigeration...
Biostatic filter
Bird/animal restricting vent for fluid/air discharge conduits
Blower terminal for room ventilating facility
Blowing apparatus, suction panel therefor and straightening...
Blowout temperature control apparatus of air conditioner for...