Feature Article

Ductless Mini-Splits and Their Kin: The Revolution in Variable-Refrigerant-Flow Air Conditioning

July 29, 2008

This technology is fully realized at the commercial level in

variable refrigerant flow (VRF) multi-split systems with up to 20 tons (240,000 Btu/hour or 70 kW) of cooling each; multiple systems can be combined for more cooling. Similar to these are simpler