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Heating and Cooling

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

  1. Thermostat Not Working?

    Does your house have to get really cold before the furnace kicks in, even though your thermostat is set to 68 degrees? You might need a new thermostat. Or it could be as simple as leveling your existing thermostat and adjusting its thermometer and anticipator. Here’s how.

Other Projects for DIYers from The Family Handyman:

  1. How Hydronic Radiant Floor Heating Works

    Project

    If you want to add an addition but your furnace can't handle the additional load, think about installing hydronic radiant floor heating. This will make your addition a warm and cozy without upgrading your furnace.

  2. How to Replace a Rain Cap

    Project

    Older rain caps for metal chimneys and flue liners can deteriorate or fall apart, but installing a replacement cap is as easy as climbing onto the roof.

  3. 3 Easy Furnace Repairs

    Project

    Keep your high-efficiency gas furnace running with these 3 easy furnace repairs (Bonus: 2 repairs that you should never attempt on your own).

  4. 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.

  5. How to Use Tin Snips to Cut Sheet Metal

    Project

    Learn to make straight cuts, curved cuts and even round cuts in sheet metal with tin snips. With proper tool selection you can do it with ease.

  6. How to Bleed a Hot Water Radiator and Clear a Steam Radiator Vent

    Project

    If one radiator doesn't heat up but others do, try this one-minute fix first. It usually solves the problem.

  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. Use an In-Line Fan to Vent Two Bathrooms

    Project

    Venting two bathroom exhaust fans through one roof duct won’t work, sorry to say. But you can install one fan in your attic for both bathrooms, and make your bathroom quieter, too.

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