Does FSA cover an air purifier?
An air purifier isn't a standard FSA expense, but it can qualify when a doctor recommends it to treat a specific diagnosed condition like asthma or allergies, with a Letter of Medical Necessity.
What flips the answer
- Covered when
A doctor recommends the purifier to treat a diagnosed condition (e.g., asthma or severe allergies) and you have a Letter of Medical Necessity.
- Not covered when
You're buying it for general air quality or comfort with no diagnosed condition behind it.
- Not covered when
It's a permanent home installation whose cost doesn't exceed the increase in your property's value, under the capital-expense rules.
IRS Publication 502 treats equipment bought for general comfort or cleaner air as a personal expense, so an air purifier isn't FSA-eligible just because it improves the air you breathe.
The rules do allow items used primarily to alleviate or treat a diagnosed medical condition. When a physician recommends an air purifier to treat something like asthma or severe allergies, an FSA administrator can treat it as qualified — which is why they typically require a Letter of Medical Necessity documenting the condition.
If the purifier is a permanent part of your home rather than a portable unit, the IRS capital-expense rules apply: only the cost above any increase in your property's value counts. A standalone portable unit prescribed for a condition is the cleaner case.
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