Small bedroom
- Best fit
- Roughly 140–160 CFM planning range for common bedroom targets
- Examples to research
- Levoit Core 300S or Blueair 511i Max class
- What can reverse the choice
- Noise at the speed needed overnight
Medium room
- Best fit
- Roughly 220–250 CFM planning range
- Examples to research
- Coway Mighty, Levoit Core 400S, or Winix 5500-2 class
- What can reverse the choice
- Filter cost, power, and continuous-operation comfort
Large open room
- Best fit
- Roughly 350–410 CFM planning range
- Examples to research
- Levoit Core 600S or Blueair 211i Max class
- What can reverse the choice
- Open layouts and tall ceilings can require more than one unit
Selection rule
Use the shortlist to narrow the field—not to skip verification.
Confirm the exact plan, model, quote, return policy, local coverage or service path, and final transaction total before purchasing.