We replaced our oil boiler with a Daikin Altherma 3 H HT air-source heat pump. It wasn't to save money, it wasn't to save time - so why did we do it, and was it a good idea?

Sources cited in this video:
https://www.boilerguide.co.uk/compare...
https://www.greenmatch.co.uk/heat-pum...
https://heatable.co.uk/boiler-advice/...
https://www.homebuilding.co.uk/advice...
https://www.gov.uk/apply-boiler-upgra...