Cleaning review
Winix 5510 Review: Louder Than the Model It Replaces
It clears a room a minute slower than the discontinued 5500-2 and does it at 67.2 dBA against 59.8. The carbon layer is also no longer washable.
By Paulo GerchonPublished 2 min read
Illustration, not a photo — we don’t have a licensed image of this product yet.
Winix
Winix 5510
Good · researched from 3 sources
The cleaning is excellent and the app is a genuine addition, but this is a smaller body doing the same job as the 5500-2 and it is noticeably louder for it. Run it on speed two and turn off the light sensor if you want it working overnight.
- Buy if
- Rooms up to around 370 to 390 square feet · Daytime or manually controlled cleaning at moderate speed · Anyone who wants app control and a real pelleted carbon layer
- Skip if
- Silent overnight running at high airflow · Anyone who owns 5500-2 filters, which do not fit · Households wanting the lowest possible running cost
We don’t list prices, because Amazon’s change hourly.
The successor problem
The Winix 5500-2 was, for years, the value recommendation in air purifiers. This replaces it.
House Fresh tested both in the same room with the same equipment. The 5500-2 cleared it in 23 minutes at 59.8 dBA. The 5510 takes 24 minutes at 67.2 dBA.
One minute slower, and roughly twice as loud in perceived terms.
The cause is not a worse fan; it is a smaller box. House Fresh names it directly: the 5510 does the same job in a much more compact body with smaller filters, which means the fan has to work harder to move the same air.
Clean Air Adviser adds the other regression: the 5500-2's carbon layer was washable, and this one is not.
What it does better
Certified CADR of 253 CFM for smoke against the 5500-2's 232, covering 392 square feet against 360.
WiFi and app control, which the older model had none of.
And it is a current product with a supply chain behind it, where the 5500-2 was discontinued in May 2025.
TechGearLab's smoke testing shows the cleaning is genuinely strong: 82 percent of large ash particles and 76 percent of fine soot trapped inside ten minutes, reaching 99 percent by 32 minutes in a 200 square foot space. They ranked it third of twelve.
Speed two is where it lives
House Fresh's speed-by-speed measurements make the case.
Sleep 35.2 dBA. Speed one 36.8. Speed two 40.8. Speed three 51.6. Top speed 67.2.
At speed two it still moves an estimated 125 CFM while drawing 6.6 watts. That is quiet enough to sleep beside and cheap enough to leave on permanently.
The top speed is for the twenty minutes after something burns.
The light sensor is a mistake
In auto mode, the 5510 detects darkness and drops itself to sleep.
Clean Air Adviser lists this among recurring owner complaints, and the logic is hard to defend: the machine reduces its airflow for exactly the eight hours you are lying in the room breathing.
The fix is to run it on a fixed manual speed rather than auto, which also avoids the odour sensor that owners report responding inconsistently to visible smoke and dust.
The running cost is the filter
House Fresh: about $141 a year, of which $61 is electricity at continuous maximum and about $80 is the annual Filter Q set.
TechGearLab: about $109 a year, and roughly $1,268 across ten years, which they describe as expensive upkeep.
The electricity part is negligible at the speeds you will actually use. The filter is the number, and with no washable carbon layer there is no way to stretch it.
One more practical note from Clean Air Adviser: Filter Q is not compatible with the 5500-2's Filter A, so an upgrade means starting a new stock of spares.
How it scored
The overall 7.5 is the weighted average of these five criteria — we never adjust it by hand.
Cleaning performance
House Fresh cleared a 728 cubic foot room in 24 minutes. TechGearLab trapped 82 percent of large ash and 76 percent of fine soot within ten minutes and scored cleaning 8.7.
Value
Clean Air Adviser scored it 8.6 out of 10 and TechGearLab 72 out of 100, with TechGearLab putting annual running cost at $109 and calling upkeep expensive.
Build quality
Three-stage filtration with 226 grams of pelleted carbon, though Clean Air Adviser notes that carbon layer is no longer washable as it was on the 5500-2.
Ease of use
WiFi and app control, but Clean Air Adviser reports the light sensor dropping it to sleep mode in a dark room during auto, which undermines overnight cleaning.
Noise
House Fresh measured 67.2 dBA at top speed against 59.8 for the 5500-2. TechGearLab scored noise 6.1 out of 10.
Pros and cons
What we liked
- House Fresh cleared their 728 cubic foot test room in 24 minutes
- TechGearLab trapped 82 percent of large ash within ten minutes and reached 99 percent by 32
- Certified CADR of 253 smoke, higher than the 232 of the model it replaces
- 226 grams of pelleted activated carbon in a separate layer
- WiFi and app control, which the 5500-2 did not have
- House Fresh measured only 4.6 W on speed one and 6.6 on speed two
What we didn’t
- House Fresh measured 67.2 dBA at maximum against 59.8 for the 5500-2
- Clean Air Adviser notes the carbon layer is no longer washable
- Clean Air Adviser reports auto mode dropping to sleep in a dark room
- Filters cost about $80 a year and are not compatible with the 5500-2's
- TechGearLab notes there is no child lock and it weighs 13 lb
- PlasmaWave has to be re-enabled manually after a power cut
Specifications
| Clearing time | 24 minutes in a 728 cubic foot room at top speed per House Fresh |
|---|---|
| CADR | 253 CFM smoke, 252 dust and 247 pollen certified; 248 to 249 CFM PM1 measured by House Fresh |
| Room coverage | 372 square feet at five air changes an hour per House Fresh; rated 392 |
| Noise | 35.2 dBA in sleep rising to 67.2 at top speed per House Fresh; 28 to 54 dB per TechGearLab |
| Power | 4.6 W on speed one and about 54 W at maximum per House Fresh |
| Filtration | Washable pre-filter, 226 g pelleted carbon and True HEPA |
| Filter life | 12 months, about $80 per year |
| Running cost | About $141 a year per House Fresh; $109 per TechGearLab |
| PlasmaWave | Optional bipolar ionisation, CARB certified |
| Weight | 13 lb per TechGearLab |
How we researched this
We have not had this unit on the bench. This review synthesises the manufacturer’s published specifications, independent measurements and owner reports listed below. Every figure on this page comes from one of those sources rather than our own measurement.
3
sources reviewed
House Fresh ran a particle decay test in a fixed 728 cubic foot room and supplies the clearing time, the measured CADR, the noise readings at a stated distance, the power draw by speed and the direct comparison against the 5500-2. Clean Air Adviser supplies the certified CADR figures, the filter construction and compatibility detail, the ozone certification and the collected owner complaints including the light sensor behaviour, and scored it 8.6 out of 10. TechGearLab supplies the smoke test percentages, the category scores, a second set of noise measurements and the running cost estimate, and ranked it third of twelve. The two running cost estimates differ by about $30 and both are reported.
What we read
Common questions
Is the Winix 5510 better than the 5500-2?
How well does it clean?
How loud is it?
Why does it slow down at night?
What does it cost to run?
The bottom line on the Winix 5510
The cleaning is excellent and the app is a genuine addition, but this is a smaller body doing the same job as the 5500-2 and it is noticeably louder for it. Run it on speed two and turn off the light sensor if you want it working overnight.
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