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Data sources

Expected life

InterNACHI life expectancy chart. Ages are computed from the manufacture date on the equipment label in your photo.

Repair costs

National cost ranges as published by each guide, scaled to your state:

Local price level

BEA Regional Price Parities by State, 2024 (services other than housing and utilities), line "RPPs: Services: Other" (US = 100), applied to the state of your ZIP code from the Census 2020 ZCTA-to-county relationship file.

Photo review

Anthropic's Claude identifies issues, likely causes and the matching repair from a fixed list. It does not produce any number shown in a report.