Air conditioner special
The latest on tax credits, split ductless systems vs. portable a/c's, and window a/c Ratings. Plus: the most and least reliable central air systems, how to add a ceiling fan and ways to cut cooling costs.
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Dehumidifiers
Performance is good, but energy use varies.Subscribe for Ratings -
Air purifiers
Choose models that use filters and produce no ozone.Subscribe for Ratings -
Wood & pellet stoves
Answers to some burning questions. -
Lead test kits
You can get an accurate and reliable model for under $30.Our Ratings -
Thermostats
Some models are easier to program and save energySubscribe for Ratings -
Tankless water heaters
More efficient, but not necessarily more economical. 
- Special features
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Home Improvement Guide
Take a room-by-room tour of our interactive home. -
Cool Surge: Uncool!
Portable air cooler is ineffective in our tests.
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How to chooseStep-by-step shopping instructions for:
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Forums
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Furnace Favorites -
posted by: Merv
"Which high-efficiency furnaces to get - and which to avoid?"Energy Savings vs. Comfort? -
posted by: William
"What's more important to you in a cooler/heating system?"
