How Long Does a Air Conditioner (window) Last?

Source: InterNACHI Life Expectancy Chart
5-7 years
Estimated lifespan
5 years
Minimum
7 years
Maximum

Estimated Replacement Cost

$150 – $700
unit only | National average, 2025-2026

Extend Its Life

Clean or replace the filter monthly during cooling season. Clean the condenser coils annually. Store indoors during winter or use a weatherproof cover. Clear debris from the exterior side.

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