For: Bedroom
Unhaze S3 Air Purifier
Cleans all the air in a 255 sq ft bedroom 5 times every hour, at 35 dB while you sleep.
Clean air in every room
Add the right size for each space.
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Made for bedrooms. The screen on the front shows your room's PM2.5 as a live number, so you can watch it come down. A remote lets you control it from bed.
What's inside, in the order air goes through it.
Dust filter
Catches hair, pet fur, lint and heavy dust first. Washable.
HEPA filter
Traps the tiny particles: PM2.5, smoke, pollen.
Carbon filter
Holds on to smells and gases: cooking smoke, odours.
Fan and seal
Pulls air through every layer, with no gaps for air to slip around.
The three numbers that matter, explained.
What each number means, and what a good number looks like.
What it does day to day.
It will
- Cleans a bedroom up to 255 sq ft, about 5 times an hour
- Shows your room's PM2.5 level as a live number
- Runs at 35 dB on its lowest speed
- Works from its buttons or the remote, no app needed
- Switches off on a timer, up to 8 hours
- Takes formaldehyde out at 210 m³/h, the gas from new furniture and paint
Good to know
- Besides its filters, it has a UV light and an ioniser. Ionisers can make a small amount of ozone.
- It cleans the room it's in. Close the door for best results.
- It doesn't cool the room or change humidity.
S3 vs the best-selling bedroom purifier.
Worked out with the same formula, from each maker's published CADR.
| Best seller | Unhaze S3 Air Purifier | |
|---|---|---|
| Clean air per hour | 190 m³/h | 280 m³/h+47% |
| Room it cleans, 5×/hour | 173 sq ft | 255 sq ft+82 sq ft |
| In a 14 × 12 ft bedroom | 4.4 times an hour | 6.5 times an hour |
| Live PM2.5 number | Colour light | Number on screen |
Best seller: the top-selling purifier in this category on Amazon.in, October 2026.
Every specification, explained.
Each line from the product sheet, with what it means for you.
| Spec | Unhaze S3 Air Purifier | What it means for you |
|---|---|---|
| Clean air per hour (CADR) | 280 m³/h for dust and smoke | 2.8 lakh litres of clean air every hour. |
| Formaldehyde CADR | 210 m³/h | How fast it removes formaldehyde, a gas from new furniture, paint and cleaning products. |
| Room size | Up to 255 sq ft | Worked out at 5 full air cleans an hour, using CADR × 0.91. |
| Filters | Dust pre-filter, HEPA, activated carbon | Big dust first, then fine dust and smoke, then smells. |
| Also has | UV light and ioniser | Extra features on top of the filters. Ionisers can make a little ozone. |
| Air quality | Live PM2.5 number, temperature display | Counts the fine dust in your room and shows the number. |
| Fan speeds | 3 | High to clean fast, low for night. |
| Timer | Up to 8 hours | Switches itself off when you're asleep. |
| Controls | Touch buttons, remote, optional app | You don't need Wi-Fi to use it. |
| Noise | 35 dB low, 50 dB high | 35 dB is quieter than a ceiling fan. |
| Power | 36 W | About ₹2.90 for 10 hours. |
| Power supply | 220 V, 50 Hz | Normal Indian socket. |
| Size | 310 × 165 × 410 mm | About the size of a carry-on bag. |
| Weight | 3.6 kg | Easy to carry from room to room. |
| In the box | Purifier, remote, manual, warranty card |


