Dyson purifier
speedQuietnessExceptional
ecoEfficiencyUK Rated
Formaldehyde
star4.6
Dyson Purifier Cool Formaldehyde TP09
8.5Our Score
Clean Performance Index
Based on CADR, noise-to-power ratio, and filter longevity.
verified_user
Our Verdict
"The ultimate upgrade for new builds or recently decorated homes. The catalytic filter breaks down formaldehyde continuously without needing replacement."
Ideal for these searches
This model is a strong match if you are looking for: best air purifier for your situation, room size, or concern in the UK.
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How We Tested This Model
- check_circleCADR and coverage parsed against UK room-size assumptions.
- check_circleNoise and power values normalized for side-by-side comparisons.
- check_circlePrice and availability signals refreshed monthly.
thumb_up Pros
- checkPermanent formaldehyde destruction
- checkPremium gold/nickel finish
- checkExcellent app reporting
thumb_down Cons
- closeExtremely expensive
- closeSame fan performance as TP07
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Consider These Alternatives
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Technical Specifications
square_footCoverage33 m²
airCADR SpeedN/A
volume_upMax Noise42–61 dB
filter_listFiltrationHEPA + Catalytic
paymentsFilter Cost£65 / yr
smartphoneSmart AppYes
verifiedWarranty2 Years
boltPower40W
£599Typical Price
Check Price on Amazonopen_in_newPrice Checked: 01 Apr 2026Availability Checked: 01 Apr 2026