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NewsHeat PumpsWater Source Heat PumpsHVAC Breaking News New HVAC Products

Bosch Debuts R-454B Versions of Water-Source Heat Pumps

Bosch CP Split Heat Pump.jpg
Courtesy of Bosch Home Comfort

NEW MODEL: A Bosch water-source CP Split Heat Pump. Bosch Home Comfort has released R-454B versions of its CP Split Heat Pump, which is designed for commercial use, and its RP Split Heat Pump, which is for residential use.

September 4, 2025

WATERTOWN, Mass. — Bosch Home Comfort has unveiled new R-454B versions of the Bosch CP Split Heat Pump and the RP Split Heat Pump, in compliance with low-GWP A2L refrigerant requirements.

These latest models utilize the lower-GWP refrigerant R-454B while continuing to offer a simple and seamless installation, making it easy and effortless to cool and heat in keeping with the slogan #LikeABosch, a company press release said.

The water-source Bosch CP Split Heat Pump delivers powerful performance and flexible installation options for a wide range of commercial applications, the press release said.

The Energy Star-certified, water-source Bosch RP Split Heat Pump is a high-efficiency unit for residential applications, the press release said. Homeowners who install the RP Split could qualify for incentives of up to 30% of the cost of installation.

Both heat pump units feature:

• A compact cabinet design that makes them choices for tight spaces.

• A two-stage scroll compressor: Available in capacities of 2 tons to 5 tons, the two-stage scroll compressor adjusts output to demand.

• Quiet operation: Half-inch, close-cell foam insulation and a floating compressor base allow for operation at sound levels as low as 51 dB.

Looking for quick answers on air conditioning, heating and refrigeration topics? Try Ask ACHR NEWS, our new smart AI search tool. Ask ACHR NEWS →

• Application versatility: Either unit can be paired with the Bosch BV20 variable-speed air handler, or, in a dual-fuel system, the Bosch BMAC multi-position cased evaporator coil.

“Water-source heat pumps are yet another product category that is capable of delivering powerful performance and energy-efficient operation, and the latest to transition to low- GWP refrigerant,” said Jean Carlo Contreras Gallo, product manager at Bosch Home Comfort. “With compact design, easy installation, next-level versatility and operation as quiet as the hum of a refrigerator, the CP Split and RP Split heat pumps are the perfect choices for a new installation or an existing system upgrade to maximize comfort throughout your space.”

KEYWORDS: bosch HVAC industry news hvac news briefs manufacturers

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