The heat from the R744 unit reduces gas boiler usage, trimming carbon emissions by 35 metric tons annually.
The Italian companies replaced the existing drop-in R134a unit with a CO2 one, offering up to 58% energy savings.
The Mitsubishi Heat2O heat pump was installed as part of a ‘plug-and-play’ water heating system by U.S. manufacturer Steffes at a 100-unit apartment building in Seattle, Washington.
The manufacturer’s Aegis heat pumps – which can produce water temperatures up to 185°F – have been installed in California, Florida, New York and Tennessee.
The 100kW air-source hot water heat pump is designed for multi-family and mixed-use buildings, as well as hotels, resorts and small industrial applications.
This includes 110 units that have been installed at 40 universities across the country since 2006.
Customers are also asking about larger compressors, with little faith in HFOs as a long-term solution.
Two 1.5MW CO2 heat pumps will provide heating and cooling for almost 300 households.
Its Glebe Hill supermarket in Howrah features CO2 heat pumps and an R290 chiller in novel deployment.
Hailiang Business Hotel in Zhuji replaced its existing R22 heat pumps with six ITOMIC 65kW (18.5TR) units.
