Air Filter There are several HVAC issues that you can fix yourself. If your system isn’t working as expected, your first order of business should be checking your air filter and replacing it if ...

This is the third installment in the air conditioning troubleshooting series, and will cover how to diagnose air-side and refrigerant problems.

Learn how to properly flush and recharge a contaminated AC system in this detailed DIY guide. Whether you're dealing with a ...

Troubleshooting an air conditioning system often concerns refrigerant, airflow, and mechanical problems, either individually or in combination.

The important parts of an air conditioning system A compressor takes cool low-pressure refrigerant and compresses it into a high-pressure, high-temperature gas.

More extensive damage to an air conditioner, heat pump or furnace can be more troubling, with replacement parts reaching $2,500 or more —in some cases just as much as the cost of a new HVAC system.

If you’re curious about how much it will cost to repair an AC leak, this comprehensive guide will cover everything you need to know.