M&V Fundamentals3 / 13
IPMVP Options A, B, C, D
Option A (whole-building), B (sub-metering), C (engineering calculations), D (deemed savings).
11 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026
M&V is not one-size-fits-all. The IPMVP framework offers four options, each suited to different projects, balancing accuracy against cost. Choosing the right one is a key M&V skill.
In this lesson
- 01The IPMVP framework
- 02Option A: Retrofit Isolation, Key Parameter Measurement
- 03Option B: Retrofit Isolation, All Parameter Measurement
- 04Option C: Whole Facility
- 05Option D: Calibrated Simulation
- 06Choosing the right option
- 07A practical guide
- 08The principle
- 09Sources and further reading