The real function of expansion valve in ac explained
You might not think about it often, but the function of expansion valve in ac units is actually what makes the difference between a lukewarm breeze and that crisp, cold air we all crave on a July afternoon. Most people focus on the compressor or the big outdoor fan, but without this tiny, unassuming valve, the whole system would basically just be a very expensive way to move room-temperature air around. It's the literal "cool" factor in your HVAC system. ...