As an air to water monobloc heat pump, it operates proficiently working with eco-welcoming R290 refrigerant, providing sustainable heating with a formidable A+++ energy efficiency score. The ECOMOD 290HT choice of monobloc air source heat pumps come in a few chassis sizes and five outputs: 15kW, 18kW, 27kW, 40kW and https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/