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Browse Glossary :
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| Halogen light bulb |
| As incandescent light bulbs go, this one is hot. By that we mean that is gets extremely hot while... more |
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| Hardwood |
| Cherry, maple, oak, elm and other deciduous trees fall into this category of wood. They are... more |
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| Harvested rainwater |
| Here's a good rainy day project: Collecting water-from a roof, driveway, or other hard surface... more |
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| Hazardous chemical |
| Warning-these are chemicals that should be used, and disposed of, with the utmost care. Any... more |
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| Hazardous waste |
| This is among the more unpleasant byproducts of households and industrial processes: It's waste... more |
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| Heat gain |
| There's nothing worse than a crowded room on a hot day. It isn't your imagination-human bodies do... more |
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| Heat island effect |
| It's no wonder so many urbanites flee the cities on summer weekends. It really is hotter in the... more |
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| Heat pump |
| Just as it sounds, this product, typically powered by electricity, pumps heat into a building... more |
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| Heating, ventilation, and air-conditioning (HVAC) |
| Looking for the perfect climate? You could hightail it to San Diego, or you could get it in your... more |
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| Heavy metals |
| Maybe this term makes you think of your music collection back in high school. Environmentally... more |
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| Hemp |
| It's not just for hippies anymore. This is the common name for the cannabis sativa plant, a cousin... more |
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| High-efficiency particulate air (HEPA) filter |
| You might know it as a designation for vacuum cleaner or air purifiers. In a consumer context,... more |
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| House wrap |
| Just like that windbreaker you slide into on a chilly day, this protective barrier helps to keep... more |
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| Hybrid |
| While the totally electric car might not be within reach for the average consumer quite yet, more... more |
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| Hydrochlorofluorocarbon (HCFC) |
| It wasn't so long ago that we cooled our cars with Freon and sprayed our hair with aerosols without... more |
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| Hydronic radiant floor heating system |
| If you're the type who gets cold feet, your toes will love this. It's a network of pipes beneath... more |
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Browse Glossary :
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