# Test Procedures for Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps

> **EERE** · Rulemaking · Modified 2026-04-28T17:56:50Z

## Docket
- **Docket ID:** EERE-2021-BT-TP-0019
- **Agency:** EERE
- **Type:** Rulemaking
- **Last modified:** 2026-04-28T17:56:50Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EERE-2021-BT-TP-0019)
- [Public comments](https://www.regulations.gov/docket/EERE-2021-BT-TP-0019/comments)

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