Energy-Efficient Air Purifiers

At a glance

Most listings come from Blueair (13), Rainbow (5), Coway (3), DREAME (2). Counts and ranges are calculated from the same official fields as the table below.

How models are selected

Rule: efficiency (smoke CADR per watt) above the 75th percentile of all certified air purifiers on iPickOne. The cut-off for this page is 7.1. Models with no value for the field are left out; a missing value is never treated as zero. The list is sorted by ief_cfm_w, highest first, which is an ordering and not a recommendation.

45 matching models

Related shortlists and tools

• ENERGY STAR Most Efficient Air Purifiers 66 models
• Air Purifiers for 300 Sq Ft Rooms 96 models
• Air Purifiers for 200 Sq Ft Rooms 148 models
• Air Purifiers for 400 Sq Ft Rooms 67 models
• Air Purifiers with No Reported Ozone 173 models
• Low-Energy Air Purifiers (100 kWh/Year or Less) 57 models
• Air Purifier Room Size Calculator official sizing table
• How to choose an air purifier: sizing, filters and costs
• Air Purifiers: what matters when choosing

Sources

• ENERGY STAR product guidance for air purifiers (data.energystar.gov, updated 2026-11-06)

We compile and compare published data; we do not run our own product tests. See How We Compare.