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Growing concern over indoor air is boosting interest in electrostatic and electronic air cleaners. Here’s a cost-and-performance look at the most practical options.
Critics charge that many super-efficient furnaces hit the market without adequate testing. What bugs have turned up and how do the newest models fare? An industry insider brings us up to date.
A hands-on account of how to make a new boiler or furnace work smoothly with the old pipes, ducts, and flues.
New combination appliances blend boilers, furnaces, water heaters, and air exchangers for economy and efficiency.
Northwest builders are working hard to devise low-cost systems that effectively ventilate tight houses. Here are some options.
In cold climates, a badly installed bathroom fan can be worse than none at all. Here’s how to do it right.
Answers to the most frequent question on warm-air heating by one of the developers of forced warm-air heating.
A veteran heating-system designer offers some pointers based on his experience in the field.
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