Sharp air purifiers compared
ENERGY STAR currently lists 4 Sharp models (after merging duplicate listings), from 214 to 366 cfm smoke CADR.
| Model | Smoke CADR (cfm) | ENERGY STAR room size (sq ft) | Energy use (kWh/yr) | Est. electricity/yr* | Most Efficient |
|---|---|---|---|---|---|
| Sharp KJ400G-L1A-SH Lite | 214 | 332 | 205 | $37.54 | No |
| Sharp KCP70UW | 255 | 395 | 225 | $41.20 | No |
| Sharp AirMac X7 | 305 | 473 | 299 | $54.75 | No |
| Sharp KJ600F-LM1-SH | 366 | 567 | 341 | $62.44 | No |
*Estimate: ENERGY STAR annual kWh × U.S. average residential rate 18.31¢/kWh (EIA, July 2026 (preliminary)). ENERGY STAR's annual figure assumes 16 hours/day of operation under the DOE test procedure.
Sharp on the manufacturer's site (plain link, not an affiliate link)