🔩 🔩 Hardware Feb 23, 2026 3 min read How Do Heat Pumps Work? They don't create heat; they use refrigerant to move heat from the cold outdoors to the warm indoors. hvacthermodynamicsrefrigeration +1
🔩 🔩 Hardware Feb 23, 2026 3 min read How Do Refrigerators Work? Using a continuous cycle of evaporation and condensation to remove heat. refrigerationthermodynamicscooling +1