Humidifiers soften the air and help you feel more comfortable during the driest season of all: the heating season. Yet a humidifier is only as effective as its filter. A clogged humidifier filter ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

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Dear Ken: Last summer we purchased a new furnace, humidifier and air filter system. They said dust in the house would be cut down a lot, but we've noticed no difference. What's up? - Heather Answer: ...