Sharp KCP70UW vs Coway AP-1526D (Airmega Halo)
A spec-only comparison using ENERGY STAR certification data. We have not tested either unit, and features like noise, filter price and build quality are not covered here.
- Cleaning speed: the Sharp KCP70UW has the higher smoke CADR (255 vs 255 cfm, 0% more).
- Running cost: the Coway AP-1526D (Airmega Halo) uses less electricity per ENERGY STAR (197 kWh/yr), about $5.13/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 382 sq ft vs 382 sq ft.
Both sit in ENERGY STAR data as Large rooms (250–349 cfm) units by smoke CADR. Listed differences: only the Sharp KCP70UW is listed as connected (app/Wi-Fi); only the Sharp KCP70UW lists an air-quality-sensor auto mode; reported ozone is 1 ppb vs 0 ppb. Over 5 years at the U.S. average rate, the electricity difference is about $25.63 (estimate).
| Sharp KCP70UW | Coway AP-1526D (Airmega Halo) | |
|---|---|---|
| Smoke CADR (cfm) | 255 | 255 |
| Dust CADR (cfm) | 260 | 259 |
| Pollen CADR (cfm) | 259 | 293 |
| ENERGY STAR room size | 395 sq ft | 395 sq ft |
| AHAM 2/3-rule room size | 382 sq ft | 382 sq ft |
| Annual energy | 225 kWh | 197 kWh |
| Est. electricity/yr (U.S. avg) | $41.20 | $36.07 |
| Smoke CADR per watt | 6.69 | 7.52 |
| Ozone (reported) | 1 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA | HEPA-Type |
| Auto mode | Air Quality Sensor | None |
| Connected | Yes | No |
| Most Efficient | No | No |
| Source | ENERGY STAR record 4515997 | ENERGY STAR record 4668554 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Sharp air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Coway air purifiers on the manufacturer's site (plain link, not an affiliate link)