Data through June 2026
Air Purifiers · 14 certified models
Coway
Coway: 14 ENERGY STAR certified models in this data, running $21 to $73 a year at the U.S. average electricity rate — a median of $60, versus $27 across every certified air purifiers.
All certified models
| # | Model | kWh/yr | $/yr (US avg) |
|---|---|---|---|
| 1 | Coway Airmega 100 | 112 | $21 |
| 2 | Coway AP-1125G | 195 | $36 |
| 3 | Coway AP-1526D | 197 | $36 |
| 4 | Coway AP-1523D | 219 | $40 |
| 5 | Coway AP-3018Bmost efficient | 235 | $43 |
| 6 | Coway AP-2023K | 277 | $51 |
| 7 | Coway AP-1515H | 314 | $58 |
| 8 | Coway Airmega ProXmost efficient | 335 | $61 |
| 9 | Coway Airmega ProX;Airmega ProX(W);Airmega ProX(*);AP-3522F_US;AP-3522F_WT;AP-3522F_most efficient | 335 | $61 |
| 10 | Coway Airmega 350(W);Airmega 350(BG);Airmega 350(*);AP-1924A_WT;AP-1924A_BG; AP-1924A_ | 344 | $63 |
| 11 | Coway AP-2015F | 366 | $67 |
| 12 | Coway AP-2425H | 366 | $67 |
| 13 | Coway Airmega 450(W);Airmega 450(BG);Airmega 450(*);AP-2524B_WT;AP-2524B_BG; AP-2524B_ | 389 | $71 |
| 14 | Coway Airmega 450S(W);Airmega 450S(BG);Airmega 450S(*);AP-2524C_WT;AP-2524C_BG; AP-2524C _ | 399 | $73 |
Other brand facets
Questions, answered with the data
- How much does it cost to run Coway air purifiers?
- Among 14 certified models in this data, Coway air purifiers cost $21 to $73 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $60.
- Do Coway air purifiers cost more or less than the average air purifier?
- The median model here runs $60 a year, 119% more than the $27 median across all certified air purifiers.
- What's the cheapest model among Coway air purifiers?
- The Coway Airmega 100 costs about $21 a year at the U.S. average rate (112 kWh/yr) — the lowest certified figure in this group.
- What does the certified annual-kWh figure assume for air purifiers?
- The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.