Honeywell HPA4100B vs Dreo DR-HAP005S
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 Dreo DR-HAP005S has the higher smoke CADR (116 vs 109 cfm, 6% more).
- Running cost: the Honeywell HPA4100B uses less electricity per ENERGY STAR (95 kWh/yr), about $0.55/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 164 sq ft vs 174 sq ft.
Both sit in ENERGY STAR data as Small rooms (under 150 cfm) units by smoke CADR. Listed differences: only the Dreo DR-HAP005S is listed as connected (app/Wi-Fi). Over 5 years at the U.S. average rate, the electricity difference is about $2.75 (estimate).
| Honeywell HPA4100B | Dreo DR-HAP005S | |
|---|---|---|
| Smoke CADR (cfm) | 109 | 116 |
| Dust CADR (cfm) | 117 | 126 |
| Pollen CADR (cfm) | 117 | 146 |
| ENERGY STAR room size | 169 sq ft | 180 sq ft |
| AHAM 2/3-rule room size | 164 sq ft | 174 sq ft |
| Annual energy | 95 kWh | 98 kWh |
| Est. electricity/yr (U.S. avg) | $17.39 | $17.94 |
| Smoke CADR per watt | 6.77 | 7.12 |
| Ozone (reported) | 0 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA | HEPA-Type |
| Auto mode | Air Quality Sensor | Air Quality Sensor,Timer |
| Connected | No | Yes |
| Most Efficient | Yes | Yes |
| Source | ENERGY STAR record 4518205 | ENERGY STAR record 4471358 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Honeywell air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Dreo air purifiers on the manufacturer's site (plain link, not an affiliate link)