# Energy Conservation Program: Test Procedure for VRF Multi-Split Systems
> **US Department of Energy** · Final rule. · Published 2022-10-20 · Effective 2022-11-21 · 87 FR 63860
## Document
- **Document number:** 2022-22511
- **Category:** energy-efficiency
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 87 FR 63860
- **CFR reference:** 10 CFR 429
- **Publication date:** 2022-10-20
- **Effective date:** 2022-11-21
- **Energy docket:** EERE-2021-BT-TP-0019
## Abstract

This final rule amends the test procedure for variable refrigerant flow ("VRF") multi-split air conditioners and heat pumps ("VRF multi-split systems") to incorporate by reference the latest version of the applicable industry test standard. This final rule also adopts the integrated energy efficiency ratio metric in its test procedures for VRF multi-split systems. Additionally, this final rule adopts provisions in the updated industry test procedure relevant to certification and enforcement, including a controls verification procedure.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/10/20/2022-22511/energy-conservation-program-test-procedure-for-vrf-multi-split-systems)
---
*AI Analytics · CC0 1.0*