HVAC troubleshooting

The Heat Transfer Mystery: Why Some Rooms Stay Cold in Winter Keeping a steady, comfortable temperature through a house in winter can feel impossible when one bedroom or a corner office stays chilly. The culprit is usually uneven heat transfer and airflow, not a failing furnace. Warm air behaves like water in a shallow stream, it follows the easiest path, bypassing rooms with poor returns, leaky d ...

Mastering HVAC Efficiency: Why the TXV (Thermostatic Expansion Valve) Matters Hot and cold spots, sticky indoor air, and rising energy bills often trace back to poor refrigerant control. The thermostatic expansion valve is the small part that makes a big difference. By metering refrigerant into the evaporator and holding a steady superheat, a TXV helps the coil absorb heat and moisture efficiently ...