Air Purifier Calculators
Science-backed calculators and reviews to help you choose the perfect air purifier for your needs.
Professional Air Purifier Calculators
Evidence-based tools to determine your exact requirements and make informed decisions
ACH Calculator
Calculate the exact CADR you need based on your room size and desired air changes per hour.
Room Size Calculator
Enter your room size and get instant air purifier recommendations for your space.
Energy Cost Calculator
Calculate yearly electricity costs and compare energy efficiency across models.
Filter Cost Calculator
Calculate total ownership costs including filter replacements over 5 years.
Noise Calculator
Check if an air purifier's noise level is suitable for your room and sensitivity.
View All Calculators
Explore our complete collection of 25+ specialized air purifier calculators.
Latest Reviews
Expert reviews and real-world testing of the latest air purifier models
How It Works
Three simple steps to find your perfect air purifier
1. Calculate
Use our professional calculators to determine your exact requirements based on room size, air quality needs, and usage patterns.
2. Compare
Browse our expert reviews and compare models based on performance, features, energy efficiency, and total cost of ownership.
3. Choose
Make an informed decision with confidence, knowing you've found the perfect air purifier for your specific needs and budget.
Top Rated Air Purifiers
See our expertly reviewed and tested air purifiers with real-world performance data.
Pure Cool TP04
AP-1512HH
Not Sure What Size Air Purifier You Need?
Get instant recommendations based on your room size, air quality concerns, and specific needs.
Find Your Perfect SizeExpert Air Purifier Guides
Comprehensive guides to help you understand air purification technology and make informed decisions.
CADR Explained
Master Clean Air Delivery Rate ratings and learn how to choose the right purifier size for your room.
Read Guide →HEPA Filter Guide
Understanding H10-H14 grades, True HEPA vs HEPA-type filters, and selection criteria for optimal protection.
Read Guide →Filter Replacement
When and how to replace filters, cost analysis, maintenance schedules, and money-saving strategies.
Read Guide →How Purifiers Work
The science behind air purification technology, filtration methods, and particle capture mechanisms.
Read Guide →Ready to Find Your Perfect Air Purifier?
Start with our most popular calculator and get personalized recommendations in minutes.
Calculate Required CADR