Four Reasons for Variable Refrigerant Flow (VRF)


Forester Daily News covers a school with an inefficient HVAC system that recently converted their system to variable refrigerant flow (VRF), and found significant savings. A VRF representative from Mitsubishi covers the four key reasons buildings are moving to this new technology:

  • Energy savings– Because H2i technology recovers heat energy that would otherwise be wasted, energy usage is kept at a minimum. In addition, while traditional systems continually turn on and off to meet a desired temperature, the inverter-driven compressor quickly adjusts and maintains speed, reducing energy usage and increasing utility bill savings.
  • High performance– A flash process cools the compressor, allowing the zoning system to heat rooms at lower outdoor temperatures without overheating. The process provides optimal heating performance at low temperatures. “In fact, systems can operate effectively, even in outside temperatures at minus 13 degrees Fahrenheit,” he says.
  • Low life cycle costs– The highly efficient hyper-heating systems help decrease the overall equipment tonnage of projects. This means lower initial costs; the smaller outdoor system footprint and ability to be installed more quickly allows for reduced installation costs. The technology also eliminates the need for supplemental heat sources in many cases, such as fossil fuel burning or inefficient electric systems.
  • Reduced maintenance costs- “Hyper-heating technology offers year-round efficiency for optimal occupant comfort, which translates to fewer complaints and system adjustments,” says Byrd.

Learn more here.

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