Randomly activated outlet

Recessed climate controller

Recovery and recycling system for refrigerant

Recycling water cooler

Refrigerant alert and automatic recharging device

Refrigerant and H.V.A.C. ducting leak detector

Refrigerant charge detection system for an air conditioning syst

Refrigerant charge status indication method and device

Refrigerant charging apparatus

Refrigerant charging manifold valve

Refrigerant circulating system

Refrigerant compressor protecting device

Refrigerant compressor protecting device

Refrigerant configuration system

Refrigerant cycle system having hot-gas bypass structure

Refrigerant cycle system with hot gas heating function

Refrigerant deficiency detecting apparatus

Refrigerant filtration system with filter change indication

Refrigerant flow meter

Refrigerant gauge manifold with built-in charging calculator