Understanding how long residential HVAC systems are expected to last is essential for contractors, homeowners, and energy professionals alike. Average Service Life of Residential HVAC Equipment brings together the most trusted research from ASHRAE, DOE, AHRI, NAHB, and leading utilities to give you clear, evidence-based lifespan ranges for furnaces, air conditioners, heat pumps, and boilers. This concise reference helps you make better decisions about maintenance, replacement timing, and lifecycle cost analysis backed by real data, not guesswork.
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