Retrofit HVAC zone climate control system
Reversible damper means
Reversible expansion valve
Reversible fan of electronic module
Ridge vent with shape-memory actuated heat valve
Ring angle thermally responsive expansion valve
Room access control and power management installation
Room air conditioner
Room grating control
Room temperature control apparatus having feedforward and feedba
Room temperature control system responsive to movement by occupa
Room temperature controller
Room temperature controlling apparatus used for an air condition
Room temperature sensor and thermostat control device
Room temperature sensor and thermostat control device
Rotary knob for thermostatic valves of radiators
Rotatable thermostat
Rotational means for automatic damper means