Rainbow air purifiers compared
ENERGY STAR currently lists 5 Rainbow models (after merging duplicate listings), from 111 to 370 cfm smoke CADR. ENERGY STAR lists the partner for these models as Rainbow Purifiers, LLC; the Brisk Box and Luggable names are sold at cleanairkits.com.
| Model | Smoke CADR (cfm) | ENERGY STAR room size (sq ft) | Energy use (kWh/yr) | Est. electricity/yr* | Most Efficient |
|---|---|---|---|---|---|
| Rainbow Exhalaron Ultra Tri | 111 | 172 | 42 | $7.69 | Yes |
| Rainbow Luggable Ultra | 231 | 358 | 93 | $17.03 | Yes |
| Rainbow Luggable XXL | 306 | 474 | 75 | $13.73 | Yes |
| Rainbow Luggable XL Ultra | 333 | 516 | 81 | $14.83 | Yes |
| Rainbow Brisk Box Ultra | 370 | 574 | 94 | $17.21 | Yes |
*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.
Rainbow on the manufacturer's site (plain link, not an affiliate link)