Air Purifiers

Renovation dust clogs filters fast and some of it is hazardous. See how to protect a home, what purifiers can do, and compare six larger-room models.

Does an air purifier need a child lock? How the feature works, what it protects against, and other safety steps for homes with toddlers and pets.

Houseplants are great for the home, but studies suggest they barely change indoor air quality. See what the evidence says and what really cleans the air.

Musty smell usually means moisture or mold. See how to find the cause, what an air purifier with carbon can and cannot do, and compare six larger-room models.

Water-based air purifiers, or air washers, use water to trap dust. See how they work, their limits compared with HEPA and six HEPA purifiers to consider.

A true HEPA purifier can capture many airborne particles, including some that carry microbes, but it cannot guarantee protection from germs. Learn what UV-C and germ-killing claims mean and what actually helps.

A 300 square foot room needs a CADR of about 200. See how to size a purifier for it, what noise and filters to expect, and compare six compact models.

VOCs are gases, so HEPA alone will not remove them. Learn what activated carbon can do, how to size it, and why source control and ventilation come first.

Self-cleaning air purifiers: what the feature really does, what still needs manual cleaning, and how to keep any purifier performing well.

What a low EMF air purifier claim means, what to check on the label, and how to choose a unit for allergies and pet hair without relying on marketing terms.

Air purifiers can reduce some household odors, but only with enough activated carbon. See what to look for and compare six models for pet and cooking smells.

A small bedroom purifier works when CADR and noise match the room. Learn sizing, features and placement for a quiet night.

A HEPA air purifier can capture airborne mold spores, but it cannot fix a damp problem. See what to look for and compare six models for larger rooms.

Travel air purifiers are small and limited in coverage. Learn what they can do in a hotel room or car, what to check, and compare six compact models.

A home air purifier is not a way to deal with asbestos. Learn why suspected asbestos materials should be left undisturbed, who to call for testing and abatement and what not to do.

HEPA vs ionic air purifiers explained: how each works, why the EPA advises caution with ozone-emitting devices, and how to choose a safe, effective purifier.

Electrostatic air cleaners charge particles. Learn how they work, the ozone concern, how they compare with HEPA, and compare six filter-based alternatives.

House dust settles fast and returns. See how an air purifier helps with airborne dust, why cleaning still matters, and compare six models for dusty homes.

One purifier for allergens, pets, smoke and odors? See which filters and features matter for each problem and compare six room air purifiers.

ENERGY STAR certified air purifiers meet efficiency standards. See what the label means, how to size for a large room with pets, and compare six large-room models.

Desktop air purifiers are tiny and clean only the air near you. See what they can and cannot do, what to check, and compare six compact models for a desk.

Large rooms need airflow, and cheap units are often too small. See how to find an affordable large-room purifier that is still quiet, and compare six models.

A one-room air purifier works when CADR, filters and placement fit the room. Learn how to size, what to look for and where one unit falls short.

CADR tells you how fast a purifier cleans air. Learn what the three numbers mean, how to size a room and how to avoid misleading claims.

An air purifier cleans room air while a well-fitted NIOSH-approved respirator filters what you breathe. Learn the differences, when each helps and how to use them together on smoky or dusty days.

Pollen enters on air, clothes and pets. Learn how to size a purifier for pollen season, where to place it and which habits cut indoor pollen.

Premium air purifiers add build quality, sensors, quiet fans and better filters. See what you pay for, what you can skip and six strong models to compare.

Air purifier and fan combos move air and can feel cooler, but most do not lower room temperature. Learn the differences and compare six HEPA purifiers.

Dyson vs Honeywell air purifiers compared by design, capacity, filters, noise and running costs, with a checklist to help you choose the right one.