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Energy audit explainers
Practical guides on ASHRAE standards, energy modeling, M&V, and the tools that make audits faster.
2026-07-06·Edinergy Engineering Team
ASHRAE Level 1, 2, and 3 Audits Explained
A practical guide to ASHRAE Standard 211 audit levels: what each covers, when to use it, and how to produce a submittable report.
ASHRAE 211energy auditsguidelines
2026-07-06·Edinergy Engineering Team
NMBE and CV-RMSE: Energy Model Calibration Metrics
How ASHRAE Guideline 14 uses NMBE and CV-RMSE to judge whether an energy model is calibrated to actual utility data.
ASHRAE G14calibrationmodeling
2026-07-06·Edinergy Engineering Team
How to Normalize Utility Bills for Weather
Weather normalization removes the effect of a hot summer or cold winter so you can compare energy use across years and buildings.
weather normalizationbaselineEUI
2026-07-06·Edinergy Engineering Team
IPMVP Option A, B, C, and D Explained
A quick reference to the four IPMVP M&V options and when to use each one in an energy audit.
IPMVPM&Vsavings verification
2026-07-06·Edinergy Engineering Team
179D Tax Deduction for Building Owners
How the US 179D energy efficient commercial buildings deduction works and how audits support it.
179DincentivesUS