Heat is taken from your air outside using an exterior heat pump device. This is transferred into your home to deliver your heating. The ECOMOD 290HT variety of monobloc air source heat pumps are available 3 chassis measurements and 5 outputs: 15kW, 18kW, 27kW, 40kW and 50kW. You don't have https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/