Tag Archives: D3030–Cooling Systems

Water-source VRF Zoning 101: Combining geothermal with variable refrigerant flow

October 28, 2014

Variable refrigerant flow (VRF) HVAC zoning and geothermal systems are two of the most energy-efficient options for heating and cooling available—now, new hybrid assemblies combine the two.

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VRF Zoning Energy-efficiency Data: Five questions specifiers should ask

September 9, 2013

As in HVAC systems, variable refrigerant flow (VRF) zoning technology is increasingly specified for its superior energy-saving benefits and precise zoned control. Nevertheless, specifiers often find it challenging to compare the energy-efficiency data of traditional commercial HVAC with VRF zoning systems.

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