Supply and install new High efficiency Wise living 3 Phase 23kw Heatpump hydronic heating system to 10 radiator panels in ELC building replacing existing gas heating. <br />
Option one is extremely efficient at around 300% efficiency. Which means it will be drawing 7Kw of electricity to produce 23Kw of heating whereas option two will be drawing 23Kw of electricity to produce 23Kw of heating.