Sharp KJ400G-L1A-SH Lite: $43 a year to run

This model (Air purifiers) uses 205 kWh of electricity a year, which costs about $43 a year and $431 over 10 years at 21.0¢/kWh.

Energy use
205 kWh
per year
Running cost per year
$43
21.0¢/kWh
Running cost over 10 years
$431
Efficiency rank
155 / 240

Product details

Room size (sq ft)332
TechnologyFan and Filter
ENERGY STAR Most EfficientNo
Available sinceAugust 1, 2026

Compared with the average model (Air purifiers), this one costs about $5 more a year.

More efficient alternatives

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