Heating and air conditioning articles
These heating and air conditioning articles and videos from Sears PartsDirect can help you get the most from your HVAC system. Find the answers to common questions and learn tips and tricks to keep your system heating and cooling effectively. For more DIY advice, check out our Heating and air conditioning repair help section for maintenance advice, common symptoms and their causes and step-by-step repair instructions.
Articles and videos common to all heating & cooling combined units
Learn how to maintain your central air conditioner to keep it running smoothly all summer long.
Get tips to help keep your central AC running all summer long
Learn the reasons why you should consider replacing a gas furnace with an electric heat pump.
Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.
Learn about a new feature added to the Search Bar on Sears PartsDirect
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.
Get answers to frequently asked questions about Sears and Sears PartsDirect.
Find out why the burner on your furnace isn't igniting.
Learn about furnace repairs and how much they cost.
Learn the advantages of installing a Google Nest thermostat on your HVAC system.
If your central air conditioner isn't cooling as it should, we'll show you how to check for a tripped float switch and clogs in the drain pipe.
Symptoms common to all heating & cooling combined units
Repair guides common to all heating & cooling combined units
The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only stay on for a few seconds.
The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start dripping below the inside air conditioner unit. Follow the steps in this guide to unclog the drain pipe.
The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.