Skip to main content
Air Purifier GURU
Choose the best air purifier
TOPsSee our product TOPs
Product Reviews & Tests

Air purifiers by room size

Discover our 38 product reviews, ratings and buying guides for Air purifiers by room size.

4-In-1 HEPA Air Purifier for Home, Large Rooms Up To 743 Sq - Ft - with HEPA Air Filter, UV-C Light & Odor Reduction, AC4825E, 22" Tower, Gray AC4825 black 1 pack

GermGuardian

4-In-1 HEPA Air Purifier for Home, Large Rooms Up To 743 Sq...

A no-nonsense tower purifier that actually clears the air

8.6/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
Performance ☆☆☆☆☆ ★★★★★
+ True HEPA + carbon filter combo noticeably reduces...
- Noticeable fan noise on high speed and somewhat br...
Read full review
Ozone Generator 45,000mg/h, Industrial O3 Deodorizer for Areas of 2500 Square Feet - High Capacity Ozone Machine Air Ionizer Odor Clean

basvacsh

Ozone Generator 45,000mg/h, Industrial O3 Deodorizer for Are...

Heavy-duty odor killer if you know what you’re doing

8.7/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
Performance ☆☆☆☆☆ ★★★★★
+ Very strong ozone output (45,000 mg/h) for fast, d...
- Requires strict safety precautions: no people, pet...
Read full review
Clorox HEPA Air Purifiers for Home, True HEPA Filter, Large Rooms Up to 1,500 Sq Ft, Removes 99.9% of Mold, Viruses, Wildfire Smoke, Allergens, Pet Allergies, Dust, AUTO Mode, Whisper Quiet

Clorox HEPA Air Purifiers for Home, True HEPA Filter, Large...

Quiet workhorse for dust, pets and cooking smells

8.6/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Quiet operation on low and AUTO, easy to live with...
- Touchscreen is overly sensitive and easy to trigge...
Read full review
2-in-1 Purify + Humidify: Air Purifier and Humidifier with HEPASilent™ and 360° InvisibleMist™ Technology, Top Pour - covers 1,726 sqft in 60 minutes - Perfectly balanced air, one product 2-in-1 Humidifier and Air Purifier

BLUEAIR

2-in-1 Purify + Humidify: Air Purifier and Humidifier with H...

Cleaner air and less dry throat in one box

8.5/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Genuinely useful 2‑in‑1: effective air purificatio...
- Bulky and around 20 lbs, not ideal if you want to...
Read full review
Humidifiers for Bedroom Home, Smart Warm and Cool Mist Air Humidifier for Large Room, Auto Customized Humidity, Fast Symptom Relief, Easy Top Fill, Essential Oil, Quiet, OasisMist4.5L, White White 4.5L

LEVOIT

Humidifiers for Bedroom Home, Smart Warm and Cool Mist Air H...

A smart warm & cool mist humidifier that’s good, but a bit overhyped

8.4/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Materials ☆☆☆☆☆ ★★★★★
+ Very quiet operation, suitable for bedroom use
- Cleaning is fiddly, with hard-to-reach areas and a...
Read full review
Air Purifier for Home, NeverChange, for Large Room, Bedroom, Home Office, HEPA-Exceeding Filter, Captures Pollutants, Pet Dander, Dust, Odor, Smoke, and More, HP153, White White (650 sq - ft)

Shark

Air Purifier for Home, NeverChange, for Large Room, Bedroom,...

Compact cleaner that actually makes a difference at home

8.5/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
Performance ☆☆☆☆☆ ★★★★★
+ Very quiet on Eco/low, suitable for sleeping in th...
- Realistic effective coverage is smaller than the m...
Read full review
Air Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,858 sqft in one hour, HEPASilent Smart Air Cleaner for Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 311i Max

BLUEAIR

Air Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,8...

A quiet workhorse for dust, smoke and pet homes

8.5/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
Performance ☆☆☆☆☆ ★★★★★
+ Very quiet on low/night mode while still cleaning...
- Large footprint, needs dedicated floor space and c...
Read full review
Humidifiers for Bedroom Large Room Home, (6L) Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants, Smart App & Voice Control, Rapid Humidification & Auto Mode - Quiet Sleep Mode, Gray Gray Smart Humidifier

LEVOIT

Humidifiers for Bedroom Large Room Home, (6L) Cool Mist Top...

A smart, quiet workhorse for dry rooms

8.4/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Very quiet operation with a true dark sleep mode,...
- Regular cleaning required, especially if you don’t...
Read full review
Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H White 2.5L Humidifier

LEVOIT

Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room,...

A small top-fill unit that quietly gets the job done

8.4/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Materials ☆☆☆☆☆ ★★★★★
+ Very quiet operation and no bright lights, good fo...
- No built-in humidistat or auto mode, you have to m...
Read full review
Atem X Smart Air Purifier for Large Room up to 1650 sq - ft., WiFi App Control, HyperHEPA Filters Wildfire Smoke, Viruses, Bacteria, Allergies, Asthma Triggers, Mold, Made in Germany 6 - Atem X 1 Pack

IQAir

Atem X Smart Air Purifier for Large Room up to 1650 sq - ft....

A pricey smart purifier that actually cleans big rooms properly

8.2/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Battery ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Cleans large rooms quickly and keeps PM2.5 levels...
- High upfront price and expensive replacement filte...
Read full review
Air Purifiers for Large Rooms, Cleans 3,048 Sqft In One Hour, HEPASilent Smart Air Cleaner For Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 211i Max

BLUEAIR

Air Purifiers for Large Rooms, Cleans 3,048 Sqft In One Hour...

A strong, quiet workhorse for big rooms (with a few catches)

8.5/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
Noise and daily comfort: can you live with it running 24/7? ☆☆☆☆☆ ★★★★★
+ Cleans large rooms effectively with strong airflow...
- Bulky unit that takes noticeable floor space and n...
Read full review
5520 Air Purifier for Home Large Room Up to 1882 Ft² in 1 Hr With Air Quality Monitor, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke, Dust - Black Air Purifier

Winix

5520 Air Purifier for Home Large Room Up to 1882 Ft² in 1 Hr...

A quiet workhorse for dust, smoke and pet people

8.6/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Very quiet on low/medium and usable for sleeping o...
- Air quality sensor can act a bit random sometimes...
Read full review