Variable Refrigerant Flow (VRF) is everywhere these days. If you work in HVAC, you can’t escape it. The brochures promise efficiency, flexibility, and comfort – sometimes they sound like VRF can solve ...

VRF AVAILABILITY: Mitsubishi Electric R-410A commercial VRF product line (left) is still available. The new R-32 commercial VRF product line (right) will be available in 2026. October 22, 2025 The ...