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Heating & Cooling

Keep your air conditioner and furnace running efficiently with these DIY repairs and routine maintenance projects.

  1. DIY Air Conditioner Repair

    Our expert shows you how to repair the most common central air conditioning problems by replacing three parts. You'll be up and running sooner and will probably save the expense of a service call.

Other Projects for DIYers from The Family Handyman:

  1. Round Ductwork Installation Tips

    Project

    Round metal ductwork is versatile, long-lasting and easy to work with. Learn the best methods for cutting and installing it from a master tin bender.

  2. Choosing Furnace Filters

    Project

    More expensive (electrostatic) furnace filters capture smaller particles and need less changing than cheaper (pleated) and the cheapest (woven fiberglass) filters. If you have allergies, consider electrostatic filters.

  3. Water Around Furnace Means Clogged Condensate Drain

    Project

    If you notice water around the furnace, the condensate drain may be clogged with slime. Fix the problem with chemical tablets and a larger drain hose.

  4. Choosing a Whole House Fan

    Project

    Whole house fans will keep you and your home cool at a fraction of the cost of air conditioning. We walk you through the pros and cons and help you choose the best option for your home.Photo courtesy of Tamarack Technologies Inc.

  5. Do I Need a New Furnace?

    Project

    Before you sit down with an HVAC contractor to talk about your furnace, read up on what our pros and field editors think you need to know. Image Provided by Comstock

  6. Cleaning Air Conditioners in the Spring

    Project

    Few routine chores will pay off more handsomely, both in comfort and in dollars saved, than a simple air-conditioner cleaning. The payoff: Summertime comfort and lower cooling bills. You'll also prolong the life of your air conditioner.

  7. Home Air Cooling Tips

    Project

    Window air conditioners or central air aren't the only way to cool down a hot house. Check out these alternative solutions for making your house more comfortable.

  8. Home Repair: How to Flatten Basement Air Ducts to Gain Space

    Project

    Install wider, flatter heating and cooling ducts (you can have them custom made) to increase headroom in your basement, especially when finishing the ceiling.

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