Home Air & Water
Filters and replacement parts for air and water systems at home.
What we look at
- Filtration ratings
- MERV and NSF standards
- Replacement intervals
- Certified contaminant removal
In this category
HVAC Filters
Furnace and HVAC air filters by size and MERV rating.
Water Pitcher & Faucet Filters
Replacement filters for pitcher and faucet-mounted water filters.
Everything in Home Air & Water
Water Pitcher & Faucet FiltersBrita vs PUR Pitcher Filters
Brita and PUR pitcher filters compared side by side on what each brand's page states: filter life, contaminants claimed, certifier, media and published figures.
Water Pitcher & Faucet FiltersWhat a Water Filter Does and Doesn't Remove
A basic pitcher filter improves taste and smell by removing chlorine, not lead or dissolved minerals, which need a certification the packaging should state.
Water Pitcher & Faucet FiltersBest Water Filter for Chlorine Taste and Odor
Which pitcher or faucet filter removes chlorine taste and smell? Five compared on what each brand publishes, from reduction figures to a named certifier.
HVAC FiltersBest HVAC Filter for Allergies
Manufacturers position MERV 11 and 13 pleated filters for allergies. We compared what four 1-inch filters claim to capture and how often each says to change it.
HVAC FiltersBest HVAC Filter for Homes With Pets
Three 1-inch filters state pet guidance on their own pages. We compared what each maker claims to capture and how much sooner it says to change the filter.
HVAC FiltersMERV Ratings Explained, and What Number Actually Makes Sense
MERV measures how small a particle a filter traps, from 1 to 20; a higher number isn't automatically better if your system wasn't built to pull air through it.
HVAC FiltersHow Often to Actually Change Your HVAC Filter
Most HVAC filters need changing every 1 to 3 months rather than on a fixed calendar date; pets, allergies, and filter thickness all shift that interval.
HVAC FiltersHVAC Filter Calculator
Figure out how often your HVAC filter actually needs replacing and how many you'll go through a year, adjusted for pets, allergies, and filter thickness.
Water Pitcher & Faucet FiltersWater Filter Calculator
Figure out how often your pitcher or faucet filter actually needs replacing, based on your household's water use and your filter's own stated capacity.