Featured Article: Rain Barrel Quiz
Rain barrels are great for water conservation. Test your knowledge on rain barrels with this rain barrel quiz at HowStuffWorks. See more »
energy efficiency channel library
Increasing the energy efficiency of a house is a smart and affordable home improvement. Learn about ways to improve the energy efficiency of your home.
5 Ways to Greenify Your Home
If you've been overly saturated with green tips and all the green products on the market today, rest assured our tips are straightforward and truly environmentally friendly. You can toss the other ideas in the compost bin.
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Are ice blocks better than air conditioning?
Air conditioning with ice blocks is taking root among some of the world's most powerful companies. Learn how air conditioning with ice blocks works.
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Can I make my landlord green my home?
Everything around you is going green from cars to laundry detergent. Unfortunately, your windows let in a draft and your heater pumps twice as hard. Can you force your landlord to fix it?
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Can I stop getting junk mail?
Is there anything worse than an inbox clogged with spam? How about a mailbox stuffed with take-out menus, furniture catalogs and grocery store circulars? Once and for all, how can you stop junk mail from piling up in your life?
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Can installing a green roof save you money?
The initial costs of installing a green roof are much more expensive than the costs of other roofing methods. But a green roof could save you money -- while saving the environment -- in the end.
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Fact or Fiction: Sustainable Building
Studies have shown that sustainable buildings cost only about 2 percent more to build than traditional buildings do -- and they'll pay you back many times over in energy savings. So how much do you know about building green?
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Green Home Quiz
There are many ways to make a "green" home. Test your knowledge on different green home techniques with this green home quiz at HowStuffWorks.
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Home Improvement Quiz Feature
HowStuffWorks' Home Improvement Quizzes test your knowledge and know-how on home improvement, home safety and home maintenance. Take a variety of Home Improvement quizzes on this page.
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How can soy reduce energy use in my home?
Just when you thought soybeans were grown mainly for soy burgers and hot dogs, products made from those lively legumes seem to be everywhere in the home and beyond. And it just may save you some green.
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How do I know which cleaning products are the most environmentally friendly?
Almost all Americans come into contact with household cleaners, some several times a day. And most of those cleaners contain harsh chemicals that can be dangerous for your health and your home.
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How Earthbag Homes Work
What can you get with a huge mound of dirt, a bunch of bags and some barbed wire? An earthbag home. Building one of these eco-friendly, beehive-shaped dwellings isn't as hard as you think.
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How EarthCraft Homes Work
As the green lifestyle becomes more mainstream, the EarthCraft House program takes the lead by providing eco-friendly homes to everyday homeowners.
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How Energy Star Works
The Energy Star program helps cut down on the energy drain from computers and home appliances. But how much energy do Energy Star products save? And how much money will they save you?
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How Exterior Insulation and Finish Systems Work
If you haven't heard of exterior insulation before, chances are you've seen it without knowing it. But what makes it different from interior insulation (besides where it's located)? And what does it have to do with post-World War II Germany?
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How Green Building Works
"Green" is one of the hottest buzzwords in construction. Proponents say green building is environmentally friendly -- and also healthier and more cost-efficient.
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How green is a self-contained composting toilet?
Do you think you're pretty green? Would you be willing to trade your comfortable flushing throne for a composting toilet? We thought not. But they might not be as bad as you think.
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How Home Energy Audits Work
Home energy audits find the drafty cracks, power-hungry light fixtures and outdated appliances that make a home less efficient. Do energy audits make a difference, and can you do one yourself?
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How Hybrid Water Heaters Will Work
About 17 percent of a home's energy usage stems from its water heater. Hybrid water heaters could save the average family hundreds -- possibly even thousands -- each year.
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How LEED Certification Works
Let's say you're building a house. You want to "build green," but where do you start? Most likely, you'll turn to LEED.
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How many solar cells would I need in order to provide all of the electricity that my house needs?
How many solar cells would I need in order to provide all of the electricity that my house needs?
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