Dry indoor air affects comfort, health, and homes during heating season. Knowing how whole-house humidifiers work helps contractors match homeowners with the right solution.

Q: 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 A: What kind of ...

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Dry winter air can cause more damage to your home than you might expect. If humidity levels are too low, problems like gaping floorboards, peeling wallpaper, and even warped furniture can arise due to ...