Tag Archives: VRF zoning

Texas State Banks on HVAC retrofit

September 28, 2015

When Texas State Bank (TSB) opened its headquarters in San Angelo, in 1977, the HVAC on its rooftop was a state-of-the-art chilled water loop system. Three decades later, and annual cooling tower costs were spiraling.

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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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