British thermal unit per hour (IT)

Scope and distinctions

Explicit International Table Btu convention. No thermodynamic cooling-process model is implied.

Available operations

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Verification scope

New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.

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Definition sources

• NIST — NIST Guide to the SI, Appendix B.8

  SP 811 online conversion table accessed 2026-10-28

  Appendix B.8: IT Btu per hour; refrigeration ton = 12000 Btu_IT/h

  Source checked: 2026-10-29

  Exact definition is distinguished from rounded table entries; no media copied.