Air purifiers: running cost of 240 models

The average model uses 181 kWh a year, which costs $38 a year at 21.0¢/kWh.

Most efficient models

Rank	Model	kWh/year	Cost/year
1	Blueair 4612522000	30	$6
2	DREAME CVA10B	32	$7
3	ALROCKET MK01A	33	$7
4	AROEVE MK01A	33	$7
5	AeroNova DH-JH01A	33	$7
6	AeroNova MK01A	33	$7
7	BREEZOME MK01A	33	$7
8	Greenlite G-Pure-7W	33	$7
9	KLOUDIC MK01A	33	$7
10	REEMKIZZ MK01A	33	$7
11	ALROCKET DH-JH020US-A00	36	$8
12	AROEVE DH-JH020US-A00	36	$8
13	BREEZOME DH-JH020US-A00	36	$8
14	KLOUDIC DH-JH020US-A00	36	$8
15	REEMKIZZ DH-JH020US-A00	36	$8
16	TABYIK DH-JH020US-A00	36	$8
17	VOOPNU DH-JH020US-A00	36	$8
18	LEVOIT LAP-C171-QUSR	39	$8
19	MoreLite MLRAP-2000W	40	$8
20	GoveeLife H7126	42	$9
21	LEVOIT LAP-C161-WUS	42	$9
22	Rainbow Exhalaron Ultra Tri	42	$9
23	Blueair 3131000100	44	$9
24	Ikea E2111	44	$9
25	Ionic Pro TA750	55	$12
26	WOZOYO Pure Air PA1	55	$12
27	Aeocky Pandora-Pro	57	$12
28	CLOROX 11020	57	$12
29	Bionaire BAP9260	59	$12
30	BLACK+DECKER BAPT02	61	$13
31	Blueair Pure 411	64	$13
32	COWAY AIRMEGA, COWAY, Coway Airmega 50	67	$14
33	Honeywell HPA120***	72	$15
34	Honeywell HPA125**	72	$15
35	Blueair 1831022000	75	$16
36	Rainbow Luggable XXL	75	$16
37	Bosch Air 1000	79	$17
38	Rainbow Luggable XL Ultra	81	$17
39	Noma 143-1311-4	84	$18
40	MEDIFY AIR MA-14	86	$18

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology