How Long Does a Swamp Cooler Last?
Source: InterNACHI Life Expectancy Chart
5-15 years
Estimated lifespan
5 years
Minimum
15 years
Maximum
Estimated Replacement Cost
$1,500 – $4,000
installed | National average, 2025-2026
Extend Its Life
Drain and clean the reservoir at the start and end of each cooling season. Replace the pads annually. Check the water pump, belt tension, and float valve. Winterize by draining all water and covering the unit.
Category: Appliances
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Lifespan estimates are based on industry data for typical residential installations with normal use and proper maintenance. Actual lifespan varies with installation quality, climate, usage intensity, and maintenance. These figures may differ from other sources.
Source: InterNACHI Standard Estimated Life Expectancy Chart for Homes
Page generated: 2026-03-29