July 2026 Products

Originally published: 7/6/2026

The RP17AY system is a variable-speed, inverter-driven air-source heat pump using R-454B refrigerant, designed for universal replacement applications with high seasonal efficiency.

“Engineered for universal installation compatibility, the unit pairs easily with nearly any R-454B HVAC system, offering a solution for common replacement and new construction,” the manufacturer said in a statement. “The RP17AY heat pump can also be installed with nearly any indoor component as a universal replacement with minimal modifications, using Rheem’s system control algorithm.”

The system measures 991 mm x 908 mm x 908 mm and weighs 125 kg. 

The new product offers nominal capacities from 2 to 5 tons, covering a cooling range of approximately 22,000 to 57,000 British thermal units per hour (BTU/h), with the largest model delivering 60,000 BTU/h of nominal cooling capacity. The system operates on a 208/230 V, single-phase, 60 Hz power supply and uses an inverter-driven twin rotary compressor with variable-speed modulation from roughly 35% to 100%, supported by a brushless direct current (BLDC) condenser fan motor.

In terms of efficiency, the unit achieves a seasonal energy efficiency ratio 2 (SEER2) of up to 17 for cooling, up to 11.7 energy efficiency ratio 2 (EER2), and up to 9.5 heating seasonal performance factor 2 (HSPF2), according to the company. It uses R-454B refrigerant, a low global warming potential (GWP) A2L refrigerant classified as mildly flammable, and incorporates an integrated refrigerant detection and automatic shutdown system, along with built-in A2L safety mitigation measures. 

Sound levels are as low as approximately 55 dB under typical operating conditions, depending on installation and load. 

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