What do the efficiency terms of EER, IEER, COP and SCHE mean?
How can we compare the efficiency data for traditional HVAC systems and VRF systems?
What is the best way to determine how much energy an installed system uses?
What energy-saving features do most VRF systems have that are not accounted for in the EER, IEER and COP criteria?
Why should IEER be the primary efficiency measure for VRF systems?

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