The advantages of hydronic systems versus variable refrigerant flow (VRF) — a critical analysis

This whitepaper presents a review of technical literature plus post-installation analysis of three types of HVAC systems: Variable refrigerant flow (VRF), traditional hydronics and hydronics integrated with Armstrong Design Envelope technology.  A detailed comparison of the first installed cost and lifecycle operating cost of these technologies is established by reviewing the full product lifecycle of these technologies — paying particular attention to energy efficiency and consumption, design considerations and constraints, installation requirements and operational and/or occupant risk.

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