Try an evaporative cooler in a dry climate

Swamp coolers can lower cooling costs.
Evaporative coolers work by drawing incoming air through dampened pads, cooling the air while adding moisture. Direct evaporative coolers are well suited to dry climates but cause interior moisture problems where humidity is high. Indirect evaporative cooling pre-cools air entering a conventional air-conditioning system, increasing its efficiency. One downside is that evaporative coolers can use a lot of water. The equipment also needs regular maintenance.

Learn more in the Green Building Encyclopedia

Fans and natural cooling

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