Clade’s range of Birch heat pumps now includes 50kW and 70kW models. (Source: Clade)
Clade’s range of Birch heat pumps now includes 50kW and 70kW models. (Source: Clade)

U.K. OEM Clade’s New Commercial R290 Heat Pump Offers ‘Direct Replacement’ to Fossil Fuel Boilers

The new Birch heat pump can deliver temperatures of up to 80°C in ambient temperatures as low as −5°C.

U.K.-based OEM Clade has expanded its Birch range of commercial propane (R290) heat pumps with a new 70kW (19.9TR)-capacity unit it says is capable of operating efficiently at ambient temperatures as low as −5°C (23°F).

The heat pump, which provides both space heating and hot water, can deliver flow temperatures up to 80°C (176°F) and has been designed as a “direct replacement” for traditional fossil fuel-based boilers, explains the manufacturer on its website.

It achieves “100% heat decarbonization without requiring modifications to your existing building infrastructure,” Clade says.

The unit can also be integrated into a bivalent heating system to enhance its versatility.

The new model closes the gap between Clade’s existing 50kW (14.2TR) Birch heat pump and its recently launched Rowan heat pumps, which cover heating capacities of 150–375kW (42.7–106.6TR).

The Birch heat pump range includes a number of features designed to enhance usability, safety and efficiency, such as a low-noise option, leak detection and hot gas defrost capabilities. Its compact design – it fits flush against walls – allows for installation in small spaces.

“We’ve listened to our customers and the market and developed the Birch to answer their needs,” Tim Rook, Clade’s Chief Marketing Officer, told NaturalRefrigerants.com.

Decarbonizing business

With a goal to reach net-zero emissions by 2050, the U.K. is focused on decarbonizing a number of sectors, including heating in the residential and commercial sector, which accounts for roughly one third of the country’s carbon emissions.

By 2035, the U.K. aims for all new heating applications in these sectors to be served by low-carbon technologies like heat pumps.

Rook highlighted that these policy shifts, the phase down of HFCs and advancements in technology are what’s driving the demand for propane heat pumps in the U.K.

“It’s partly environmental considerations about F-gas and PFAS [per- and polyfluorinated substances], partly the increase in [refrigerant] charge for smaller units and partly because we can achieve great COPs and a good temperature around 65°C [149°F],” he said. “Customers should choose natural refrigerants and recognize that electrification of heat also offers opportunities in grid flexibility.”

In addition to Clade’s propane heat pumps, the company manufactures a wide range of CO2 (R744) units for commercial applications to meet the varying needs of end users.

“Customers should choose natural refrigerants and recognize that electrification of heat also offers opportunities in grid flexibility.”

Tim Rook, Clade

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