{"id":"crac-unit","version":"0.1.0","classification":{"uniformat":"D3050"},"names":["Computer room air conditioner"],"aliases":["CRAC","server room AC"],"service_life":{"median_years":15,"range_years":[15,15],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"planning","title":"Energy Conservation Standards for Computer Room Air Conditioners and Air-Cooled, Three-Phase, Small Commercial Package Air Conditioning and Heating Equipment (notification of data availability and RFI), 85 FR 60642, September 25, 2020","by":"U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy","url":"https://www.govinfo.gov/content/pkg/FR-2020-09-25/pdf/2020-18778.pdf","page":30,"code":"III.D.1","label":"Equipment Lifetime: \"DOE used a 15-year lifetime for all CRAC equipment classes\"","years":15,"note":"Printed page 60671. Direct match: all computer room air conditioner classes."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["Every source here is a published planning, design or accounting life. None is observed replacement data.","No preventive maintenance tasks are sourced yet."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-21","canonical_url":"https://unfinished.one/c/crac-unit","versioned_url":"https://unfinished.one/c/crac-unit/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Computer room air conditioner, v0.1.0. https://unfinished.one/c/crac-unit/v/0.1.0"}