Baseboard heater with internal cable carrier
Baseboard heating with a wooden cover
Baseboard space heating apparatus
Baseboard-type finned-tube space heater
Basement ventilator
Bathroom dehumidifier method and apparatus
Bay window with ventilator
Bearings
Below grade heat recovery ventilator
Biaxial solar tracker
Bidirectional solar tracker
Bimetallic damper actuator
Biosensors for monitoring air conditioning and refrigeration...
Biostatic filter
Biothermal and geothermal heat exchange apparatus for a...
Bird/animal restricting vent for fluid/air discharge conduits
Black chromate coatings
Black heat portable electric furnace
Blood warming apparatus
Blood warming apparatus