Pick the Right Air Purifier for Your Room
Air purifiers are sold by confusing coverage numbers, and filters are an ongoing cost most pages hide. It is hard to know which model fits your room and what it costs to run.
Images from the official AirDoctor website.
The problem
Air purifiers are sold by confusing coverage numbers, and filters are an ongoing cost most pages hide. It is hard to know which model fits your room and what it costs to run.
What the vendor offers
AirDoctor lists models from small rooms to open-plan spaces, a 3-stage filter system, an optional filter subscription, a 30-day money-back guarantee and a 1-year warranty.
Three things it lists
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.
How to try it
- Measure the room you want to cover and note the ceiling height.
- Pick the model whose stated coverage is at or above that size.
- Decide between the Classic and Smart versions where offered.
- Check the current price, the filter subscription and the warranty terms.
- Place the unit with space around it so air can flow freely.
Honest limits
- 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
Pricing, 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.
See it on the official site
Read the current plans and terms, then decide if it fits your work.
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