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  • ENERGY STAR Most Efficient 2024
    Room Air Cleaners
    THE YEAR'S BEST OF ENERGY STAR FOR EFFICIENCY & INNOVATION

    Products that make the ENERGY STAR Most Efficient list for 2024 deliver cutting edge energy efficiency along with the latest in technological innovation. They represent the year’s very best for energy savings and environmental protection.
For information on the appropriate sized room air cleaner for your application, see the Buying Guidance on the Room Air Cleaners page

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ENERGY STAR Most EfficientField details
Room Size (sq.ft.)Field details
Dust-Free Clean Air Delivery Rate (cfm)Field details
Pollen-Free Clean Air Delivery Rate (cfm)Field details
Smoke-Free Clean Air Delivery Rate (cfm)Field details
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compare 2-4 products
Compare
Room Size (sq.ft.):
236
Technology Types:
Ion Generator,Fan and Filter
Annual Energy Use (kWh/year):
106.1
Partial On Mode Power (Watts):
1.8
Smoke-Free Clean Air Delivery Rate per Watt:
8.8
Dust-Free Clean Air Delivery Rate (cfm):
161.0
Pollen-Free Clean Air Delivery Rate (cfm):
173.0
Smoke-Free Clean Air Delivery Rate (cfm):
152.0
Room Size (sq.ft.):
388
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
175.9
Partial On Mode Power (Watts):
0.73
Smoke-Free Clean Air Delivery Rate per Watt:
8.4
Dust-Free Clean Air Delivery Rate (cfm):
250.0
Pollen-Free Clean Air Delivery Rate (cfm):
250.0
Smoke-Free Clean Air Delivery Rate (cfm):
250.0
Room Size (sq.ft.):
465
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
215.5
Partial On Mode Power (Watts):
0.64
Smoke-Free Clean Air Delivery Rate per Watt:
8.2
Dust-Free Clean Air Delivery Rate (cfm):
300.0
Pollen-Free Clean Air Delivery Rate (cfm):
300.0
Smoke-Free Clean Air Delivery Rate (cfm):
300.0
Room Size (sq.ft.):
174
Technology Types:
Ion Generator,Fan and Filter
Annual Energy Use (kWh/year):
83.1
Partial On Mode Power (Watts):
0.12
Smoke-Free Clean Air Delivery Rate per Watt:
7.9
Dust-Free Clean Air Delivery Rate (cfm):
112.0
Pollen-Free Clean Air Delivery Rate (cfm):
112.0
Smoke-Free Clean Air Delivery Rate (cfm):
112.0
Room Size (sq.ft.):
512
Technology Types:
Ion Generator,Fan and Filter
Annual Energy Use (kWh/year):
250
Partial On Mode Power (Watts):
1.95
Smoke-Free Clean Air Delivery Rate per Watt:
7.9
Dust-Free Clean Air Delivery Rate (cfm):
335.3
Pollen-Free Clean Air Delivery Rate (cfm):
403.4
Smoke-Free Clean Air Delivery Rate (cfm):
330.5
Room Size (sq.ft.):
219
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
109.2
Partial On Mode Power (Watts):
0.29
Smoke-Free Clean Air Delivery Rate per Watt:
7.6
Dust-Free Clean Air Delivery Rate (cfm):
141.0
Pollen-Free Clean Air Delivery Rate (cfm):
141.0
Smoke-Free Clean Air Delivery Rate (cfm):
141.0
Room Size (sq.ft.):
606
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
304.8
Partial On Mode Power (Watts):
1.5
Smoke-Free Clean Air Delivery Rate per Watt:
7.6
Dust-Free Clean Air Delivery Rate (cfm):
406.0
Pollen-Free Clean Air Delivery Rate (cfm):
385.0
Smoke-Free Clean Air Delivery Rate (cfm):
391.0
Room Size (sq.ft.):
219
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
111.5
Partial On Mode Power (Watts):
0.59
Smoke-Free Clean Air Delivery Rate per Watt:
7.5
Dust-Free Clean Air Delivery Rate (cfm):
141.0
Pollen-Free Clean Air Delivery Rate (cfm):
141.0
Smoke-Free Clean Air Delivery Rate (cfm):
141.0
Room Size (sq.ft.):
109
Technology Types:
Ion Generator,Fan and Filter
Annual Energy Use (kWh/year):
56.9
Partial On Mode Power (Watts):
0.31
Smoke-Free Clean Air Delivery Rate per Watt:
7.3
Dust-Free Clean Air Delivery Rate (cfm):
50.0
Pollen-Free Clean Air Delivery Rate (cfm):
50.0
Smoke-Free Clean Air Delivery Rate (cfm):
70.0
Room Size (sq.ft.):
152
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
80.2
Partial On Mode Power (Watts):
0.6
Smoke-Free Clean Air Delivery Rate per Watt:
7.3
Dust-Free Clean Air Delivery Rate (cfm):
95.0
Pollen-Free Clean Air Delivery Rate (cfm):
84.0
Smoke-Free Clean Air Delivery Rate (cfm):
98.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
225
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
125
Partial On Mode Power (Watts):
0.77
Smoke-Free Clean Air Delivery Rate per Watt:
6.9
Dust-Free Clean Air Delivery Rate (cfm):
147.0
Pollen-Free Clean Air Delivery Rate (cfm):
157.0
Smoke-Free Clean Air Delivery Rate (cfm):
145.0
Room Size (sq.ft.):
221
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
126.9
Partial On Mode Power (Watts):
0.29
Smoke-Free Clean Air Delivery Rate per Watt:
6.6
Dust-Free Clean Air Delivery Rate (cfm):
144.6
Pollen-Free Clean Air Delivery Rate (cfm):
150.6
Smoke-Free Clean Air Delivery Rate (cfm):
142.5
Room Size (sq.ft.):
130
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
79.5
Partial On Mode Power (Watts):
0.55
Smoke-Free Clean Air Delivery Rate per Watt:
6.3
Dust-Free Clean Air Delivery Rate (cfm):
104.0
Pollen-Free Clean Air Delivery Rate (cfm):
114.0
Smoke-Free Clean Air Delivery Rate (cfm):
84.0
Room Size (sq.ft.):
88
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
56.4
Partial On Mode Power (Watts):
0.3
Smoke-Free Clean Air Delivery Rate per Watt:
6.0
Dust-Free Clean Air Delivery Rate (cfm):
65.0
Pollen-Free Clean Air Delivery Rate (cfm):
63.0
Smoke-Free Clean Air Delivery Rate (cfm):
57.0
Room Size (sq.ft.):
68
Technology Types:
Fan and Filter
Annual Energy Use (kWh/year):
43.7
Partial On Mode Power (Watts):
0.06
Smoke-Free Clean Air Delivery Rate per Watt:
5.9
Dust-Free Clean Air Delivery Rate (cfm):
49.0
Pollen-Free Clean Air Delivery Rate (cfm):
50.0
Smoke-Free Clean Air Delivery Rate (cfm):
44.0