Refroidisseurs évaporatifs
Use water evaporation to cool air. Up to 75% less electricity than traditional AC.
How Evaporative Cooling Works
Hot dry air passes through wet pads. Lowers temperature by 15-40°F.
Where They Work
Effective below 50% humidity. Excel in desert climates. Useless in humid areas.
Types
- Portable/personal ($30-$150)
- Window-mounted ($200-$600)
- Whole-house roof-mounted ($1,000-$3,500)
- Industrial ($2,000-$10,000+)
Cost vs Traditional AC
$0.01-$0.04/hr vs $0.06-$0.20/hr. Saves $200-$600 per summer.