As an air to water monobloc heat pump, it operates effectively employing eco-welcoming R290 refrigerant, supplying sustainable heating with a powerful A+++ Vitality performance ranking. The ECOMOD 290HT choice of monobloc air source heat pumps can be found in 3 chassis dimensions and 5 outputs: 15kW, 18kW, 27kW, 40kW and https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/