Energy Efficiency

Save energy and money by reducing “stand by” losses through electrical appliances and devices. We show you what wastes electricity…

Read expert tips about new, innovative and tried-and-true ways to tame your heating bills—without sacrificing comfort.

There are a lot of different ways to save energy at home. We’ve culled through many of them and chosen the best ones for this…

Subzero temperatures can mean three-digit utility bills and a huge waste of energy if your home isn’t insulated properly. Adding…

Follow these surprisingly easy tips and techniques for sealing air leaks in your home and save big money on your heating and cooling bills.

Get the most energy efficiency from your insulation by filling all gaps, avoiding compression, sealing holes in framing and other expert tips.

Solve moisture and rot problems in insulated cathedral ceilings with closed-cell foam insulation. It fills and seals the space and doesn't…

It seems like a waste to heat unused rooms, but closing heat registers may actually increase heating costs, especially with newer systems.

Keep cool and save money on air conditioning too. Here are the ten best ways to cut costs and improve your AC system.

Learn how to insulate your attic yourself with blown-in cellulose insulation, and start saving money on your utility bills. This step-by-step…

Photovoltaic solar panels are getting cheaper and more efficient, but they’re still not for everyone. These questions will help you…

In cold climates, dual-fuel heat pumps (different from heat pumps used in the South) replace your air conditioner and save you money for both…

Learn the new rules for light bulbs being sold in 2012 and how to choose the best bulbs for your home - halogens, fluorescents and LEDs. We'll…

Use airtight recessed lights in a cathedral ceiling to prevent heat loss, moisture problems and roof rot. The fixtures are inexpensive.

Cheap dryer vents with flimsy flaps break or clog up with lint and dirt, causing energy leaks and allowing access for pests. Keep them out with…

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…

We list the pros and cons of geothermal heating systems and help you decide whether this system is best for your home.

Keeping an old refrigerator running in an uninsulated garage can cost more than it's worth. First, you'll have to heat it in the winter to make…

A high-efficiency furnace filter can slow airflow too much, but low-efficiency filters don't filter dust very well. Get a better…

Winter’s tough enough without your furnace dying or not putting out enough heat. And when it comes to furnaces, an ounce of prevention…