This comprehensive guide covers exactly how much it costs to repair an air conditioner to keep yours in top shape.

Wondering how much the average cost is to replace the thermostatic expansion valve (TXV) on an AC unit? This guide covers everything you need to know.

If your unit is leaking refrigerant, the HVAC company may need to recharge the air conditioner, which essentially includes adding refrigerant. AC recharge costs fall between $200 and $500.

The signs that a window air conditioning unit is broken and needs to be fixed or replaced, according to HVAC experts.

Q: I have an air-conditioning unit in my attic, and it is leaking a lot of water vapor into the attic. The ceiling of the attic is covered with mold all over, not just above the air-conditioning unit.