FAQs : AIRSTAGE™ (VRF Systems) How is it possible for a VRF system to produce better part-load efficiency?

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When a VRF system is operating at part-load capacity, the heat transfer across the indoor and outdoor coil is significantly improved. For example, if a 20 ton VRF system were operating at 50%, it would be delivering the performance of a 10 ton system. However, this “10 Ton System” would have the coil surface area of a 20 ton system. This drastically improves the efficiency of this system.

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