Q&A / 

HVAC systems are very expensive. What is the payback period for the higher efficiency unit? Projected energy savings? Consider these factors and others when purchasing a new air conditioner and/or furnace.

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Discover how tape measures are divided into different fractions. Tape measure color coding is also used to help with spacing things 16 inches on center. This AsktheBuilder.com video explains how to read a tape measure.

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Circular saw blades come in many varieties. Tim Carter explains which saw blades are designed for different cuts. Find the right circular saw blade for your cuts and get the job done right with these circular saw tips.

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Wiring up a light fixture saves time, prevents head injuries and provides extra light while working. Tim Carter shows you how to wire up a light fixture to protect your light and yourself. In just a few simple steps, you'll have no problems working around your light fixtures during a job.

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The wallpaper tools you use can make the difference between a first class job and a disaster. Tim Carter shows the basic wallpaper tools he uses to hang wallpaper: a tape measure, razor knife, several metal knife blades, levels, a smoothing brush or plastic smoothing tool and a large sponge. With the right wallpaper tools, you'll have no problem getting the results you want.

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A jigsaw can make cutting tight curves a cinch if it has the right features. A scrolling orbital jig saw is especially useful, but you need to make sure it has all the attributes you need. Tim Carter demonstrates the features you should get on your jigsaws.

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A consortium of Southeast U.S. utility companies recently premiered the Good Cents® Environmental Program. The program helps with saving energy in new house construction. Here is a partial list of environmentally friendly products.

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Residential heating and cooling systems are very complex. HVAC ductwork must be properly designed and sized. Equalized static pressure is important for air flow. Ductwork sizing must allow the proper amount of air to enter and leave each room.

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Foam insulation can now be used around doors and windows without causing them to jam. New spray foam insulation remains flexible after curing. Tim Carter explains how to insulate with this do it yourself spray insulation.

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