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AirDoctor AD4000: $83 a year to run

This model (Air purifiers) uses 396 kWh of electricity a year, which costs about $83 a year and $833 over 10 years at 21.0¢/kWh.

Energy use
396 kWh
per year
Running cost per year
$83
21.0¢/kWh
Running cost over 10 years
$833
Efficiency rank
232 / 240

Product details

Room size (sq ft)574
ENERGY STAR Most EfficientNo
Available sinceDecember 1, 2025

Compared with the average model (Air purifiers), this one costs about $45 more a year.

More efficient alternatives

ModelkWh/yearCost/year
Coway Airmega 450(W);Airmega 450(BG);Airmega 450(*);AP-2524B_WT;AP-2524B_BG; AP-2524B_*389$82
Coway Airmega Airmega 450(W);Airmega 450(BG);Airmega 450(*);AP-2524B_WT;AP-2524B_BG; AP-2524B_*389$82
LEVOIT LAP-C601S-WUSR389$82
CUCKOO CAC-AH2810FNW388$82
LEVOIT LAP-C601S-WUS387$81
WOZOYO Pure Air PA6373$78
AIRMEGA AP-2015F366$77
AIRMEGA AP-2425H366$77

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