7.8
Dyson
Dyson HP09 Air Purifier
$812.31$849.99across 2 retailers
The Dyson Purifier Hot+Cool Formaldehyde™ HP09 is a powerhouse for both air purification and climate control, tackling formaldehyde too. It's definitely on the pricier side, but if you're after a stylish, whisper-quiet device that smartly manages air quality, temperature, and operates with ease through app and voice commands, it's a strong contender.
Model: 497044-01Color: White/GoldUPC: 885609022321
Lowest at any Popular Retailer
$699.99 at Macy'sWhere to Buy
Prices last updated: May 13th 2026 2:58 pm
Product Score
Based on professional reviews and customer feedback
7.8/10
Overall
8.4
Expert
7.19
Consumer
Why this score?
The Dyson Purifier Hot+Cool Formaldehyde HP09 garners a moderate score due to its exceptional air purification and multifunctionality, including heating and cooling capabilities. However, the high price point and some inconsistency in cooling performance, along with notable customer concerns about noise and reliability, may leave potential buyers considering cheaper alternatives. Overall, it offers sophisticated features but may not justify the expense for all users.
8+ Excellent6-8 Good4-6 Average<4 Poor
Score
The Dyson Purifier Hot+Cool Formaldehyde HP09 garners a moderate score due to its exceptional air purification and multifunctionality, including heating and cooling capabilities. However, the high price point and some inconsistency in cooling performance, along with notable customer concerns about noise and reliability, may leave potential buyers considering cheaper alternatives. Overall, it offers sophisticated features but may not justify the expense for all users.
8.4/10
Expert
7.19/10
Consumer
Pros
- •Snazzy air purification coupled with heating and cooling functions make it versatile for yeaound use.
- •Includes formaldehyde detection, which is rarer and particularly beneficial in improving indoor air quality.
- •Quiet operation is perfect for maintaining a peaceful home environment.
- •Smart app control and voice compatibility with Alexa give it an edge in user convenience.
Cons
- •The price point might be a bit steep, especially if you're mainly interested in the purification function.
- •Some customers may not require the formaldehyde feature if they don't have specific air quality issues related to that chemical.
Bottom Line
The Dyson Purifier Hot+Cool Formaldehyde™ HP09 is a powerhouse for both air purification and climate control, tackling formaldehyde too. It's definitely on the pricier side, but if you're after a stylish, whisper-quiet device that smartly manages air quality, temperature, and operates with ease through app and voice commands, it's a strong contender.
What Reviewers Are Saying
Praised
screen is useful2%
quieter than expected2%
great design2%
Criticized
high-pitched noise16%
expensive13%
very loud13%
stopped working properly2%
not a good fan2%
weak air flow4%
weird sound4%
Professional Reviews
Dyson Purifier HP09 Hot+Cool Formaldehyde review
techadvisor.com·Lewis Painter
Dyson Pure Hot + Cool Formaldehyde Review
t3.com·Duncan Bell
Dyson HP09 Air Purifier Review
rtings.com·2 years ago
Dyson Purifier Hot+Cool Formaldehyde HP09 review: A powerful but pricey option
techradar.com·Josephine Watson·3 years ago
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