Why Is My HVAC System Not Cooling or Heating Properly?
Most HVAC systems stop cooling or heating properly for one of five reasons: a wrong thermostat setting, a clogged air filter, a tripped breaker, blocked airflow, or a failing part such as a capacitor, igniter or refrigerant line. The first four you can often fix yourself in minutes. The fifth needs a trained technician.
Whether your living room feels like a sauna in July or a fridge in January,...