Quick Take
The Bissell air320 Max is the budget option for large room purification. At $250 with 1054 sq ft coverage, it costs less than half what the Coway Airmega 400 costs. You sacrifice some CADR and features, but get genuine True HEPA in a big-room package.
Overall Score: 8.4/10 - Best Budget Large Room
Safety Analysis - Score: 8.2/10
True HEPA Filtration
Genuine HEPA captures 99.97% of particles at 0.3 microns. Not HEPA-style, actual HEPA.
Activated Carbon
Includes activated carbon layer for light odor and VOC reduction.
Zero Ozone
No ionizer technology means zero ozone production.
Performance - Score: 8.0/10
Coverage: 1054 Square Feet
Large room coverage at budget pricing. For optimal 4-5 ACH, use in rooms up to 500 sq ft.
CADR: 245 smoke
Lower than premium competitors but adequate for the coverage area when running continuously.
Value - Score: 9.2/10
At $250, this is exceptional value for large room coverage. Filter costs of ~$50 annually keep long-term ownership affordable.
Bissell Pet Foundation
Each purchase supports the Bissell Pet Foundation, which helps homeless pets. A feel-good bonus for pet families.
The Bottom Line
The Bissell air320 Max is the right choice when budget is the primary constraint and you have a large space to cover. It is not the best purifier, but it is the best cheap large-room purifier.
Final Score: 8.4/10
