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Heat pumps work by using a refrigerant to transfer heat around a space, either warming or cooling it. Initially, harmful substances like chlorofluorocarbons (CFCs) were used, but with their detrimental impact on the ozone layer, the search for alternatives led us to CO2.
Companies like Harvest Thermal are taking heat pump technology to the next level. They’ve built upon Eco2’s SANCO2 heat pump and added two crucial components: a large water tank and a smart management system, the “smart pod.”
The efficiency of a heat pump is measured by its coefficient of performance (COP). While your average air source heat pump has a COP of 3, Eco2’s SANCO2 heat pump boasts a COP ranging from 2.6 to 5.5, depending on the temperature.
CO2 was one of the first refrigerants used in the early days of refrigeration, alongside ammonia. However, it fell out of favor due to the need for high-pressure systems.