Library Report The M&V Acceptance Window: Three Numeric Floors Your AI-HVAC Vendor Should Cite Before You Sign BEAST May 24, 2026 1 min read data-logs/web-upgrades/library-reports/2026-05-24-mv-acceptance-window-cv-rmse-nmbe-thresholds.html Library Report mv-standards technical-deep-dive Get The AI Building Brief Weekly intelligence for CRE leaders. Free, practitioner-grade, no vendor fluff. Subscribe Free BEAST