Air purifier guides
Every guide we have written, grouped by what you are trying to decide. Each one is built on the makers' own specifications and EPA guidance, and each ends with a plain answer. If you would rather ask, email support@freshhomeair.com and Nolan will answer it himself.
Start here
- Are air purifiers worth it? The EPA's honest answer
- Air purifier size calculator: two taps, one machine.
- What size air purifier do I need?
- How long does an air purifier take to clean a room?
- Where to put an air purifier, and how long to run it
- HEPA vs activated carbon: what each filter removes
- How to judge a $900 air purifier
- Black Friday air purifier deals: how to spot a real one
- What makes an air purifier medical grade
Compare machines
- Austin Air vs Airpura
- Austin Air HealthMate Plus vs AirDoctor 3500
- Airpura R600 vs AirDoctor 5500
- HealthMate vs HealthMate Plus
- HealthMate Junior vs HealthMate Plus Junior
- HealthMate vs Bedroom Machine vs Immunity Machine
- HealthMate vs Airpura R600
- HealthMate Plus vs Airpura C600
- Airpura T600 vs C600
- Airpura V600 vs C600
- Airpura 400 vs 600 vs 700
- Airpura 600 vs 614: Super HEPA vs True HEPA
- True HEPA vs Super HEPA vs HepaBarrier
- Austin Air HealthMate Plus review
- Airpura C600 review
- Airpura R600 review
- Airpura R714 review
By problem
- Allergies
- Dust and dust mites
- Asthma
- Pets: dander, hair and odor
- Wildfire smoke
- Cigarette smoke
- Mold
- Mold and mycotoxins: what a purifier can and cannot do
- VOCs and chemical smells
- Formaldehyde
- Multiple chemical sensitivity
By room
- Quiet air purifiers for the bedroom
- A nursery or baby's room
- A kitchen with a gas stove
- Large rooms and open plans
Myths and mix-ups
- Ionizer vs HEPA
- Air scrubber vs air purifier
- Air purifier vs dehumidifier for mold
- MERV 13 furnace filter vs air purifier
- Does the HealthMate Plus have HEGA?
Owning one
- Austin Air replacement filters: which one fits your model
- Airpura replacement filters: which one fits your model
- Austin Air replacement filters: which one fits your model
- Airpura replacement filters: which one fits your model
- Filter cost over five years
- The most durable air purifiers
- How much activated carbon you need
- Air purifiers made in the USA
Ready to choose? Find your match by room and problem. Every machine ships free with a 30-day home trial.
