Changing a furnace filter regularly will improve your heating in the winter and your air conditioning in the summer.

Furnace-filter manufacturers, capitalizing on tighter home construction and homeowners’ desire for clean indoor air, market filters labeled “Better” and “Best” which focus on indoor air ...

We have tried and tested the best air purifiers for allergies to help shield your home from dust, pet dander, and other airborne allergens ― these are our top picks to invest in this holiday season.