AirDoctor 3-Stage Filter and Replacement Schedule
Home air purifiers with a 3-stage filter system, from small rooms to open-plan spaces.
Images from the official AirDoctor website.
At a glance
Pricing and plans, as stated
AirDoctor lists prices per model on its website. At the time of checking, the 2000 and 1500 were shown at $399 and the 3500 at $659, with a filter subscription discount mentioned. Prices, bundles and promotions change, so check the official product pages for the current price of the model you want.
What is included
3-stage filtration
Air passes through a pre-filter for dust, pet hair and debris, a carbon/VOC filter for odors and household gases, and a final UltraHEPA filter for fine particles.
UltraHEPA filter
AirDoctor states that its UltraHEPA filter captures 99.99% of particles down to 0.003 microns.
Room-size options
Models are sized by room coverage. For example, the 3500 is listed for up to 630 sq ft and the 5500 for up to 1,043 sq ft, each at the stated air changes per hour.
Auto mode and sensor
Larger models list an air-quality sensor with an automatic mode that adjusts fan speed, plus a 24-hour timer.
Smart option
Some models are offered in a Wi-Fi Smart version that works with a companion app.
Filter schedule
On the 3500, AirDoctor lists carbon/VOC filters every 6 months and UltraHEPA filters every 12 months, with an optional filter subscription.
Strengths
- Clear 3-stage filter design explained on the product pages
- Models for small rooms through large open spaces
- 30-day money-back guarantee and 1-year warranty stated
- Optional filter subscription for scheduled replacements
- Auto mode, sensor and timer on larger models
Limits to check before you decide
- Premium pricing compared with basic purifiers
- Filters are an ongoing cost
- Coverage figures depend on room layout and ceiling height
- Smart features are limited to the Smart versions
Who it suits
A good fit if you are
- Households that want a purifier for a bedroom, living room or open-plan space
- People who want a stated filter schedule and a subscription option for replacements
- Buyers who prefer a longer money-back window before committing
Look elsewhere if you
- Anyone looking for a device to treat or cure a medical condition, which air purifiers do not do
- Shoppers who want the lowest possible upfront price
- People who do not want to replace filters on a schedule
Common questions
Which AirDoctor model fits my room?
AirDoctor lists coverage per model, from about 305 sq ft up to 1,043 sq ft. Choose a model rated at or above your room size.
How often do the filters need replacing?
On the 3500, the carbon/VOC filters are listed every 6 months and the UltraHEPA filters every 12 months. Other models may differ, so check the model page.
Is there a money-back guarantee?
AirDoctor states a 30-day money-back guarantee and a 1-year warranty. Read the full terms on the official site.
Does an air purifier treat health conditions?
No. An air purifier filters air in a room. It is not a medical device and this review makes no health claims. Speak to a healthcare professional about medical concerns.
Check current details on the official site
Confirm price, limits and availability before you commit.
Visit AirDoctorAffiliate link · opens the official website in a new tab