A new advancement in low-carbon heating and cooling technology addresses one of the primary upgrade constraints associated with 4-pipe simultaneous heat pump chiller systems. The A-Combo R290 range can now deliver heating output temperatures of up to 80°C, expanding its suitability for building upgrade schemes where elevated water temperatures are https://purethermal.co.uk/media-news/retrofit-heat-pump-chiller-applications-with-80c-output-capability/