The Emerge X Air Source Heat Pump Water Heater Uses a Low-GWP Refrigerant

This energy-efficient water heating solution helps meet sustainability goals and local requirements.
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July 30, 2025
A. O. Smith
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The Emerge X Air Source Heat Pump Water Heater by A. O. Smith optimizes heat transfer while minimizing emissions. The unit uses a low-GWP refrigerant (R513A) to meet sustainability goals and comply with local regulations. The unit features a modular design that enables flexible installation options, and a user-friendly control panel simplifies adjusting settings and monitoring performance.

Up to 64 units can be banked together to ensure ample hot water supply, redundancy, and capacity matching for larger demands. A variable-speed Electronically Commutated Motor (ECM) operates in tandem with the flow control valve to provide tighter control at a lower noise level and higher efficiency. The reversing defrost cycle allows it to continue operating at high efficiency in below-freezing temperatures.