Just in case you don't know it, you may be interested in the videos about heat pumps, and other related technologies on 'Just Have a Think' channel https://www.

Just in case you don't know it, you may be interested in the videos about heat pumps, and other related technologies on 'Just Have a Think' channel https://www.youtube.com/@JustHaveaThink https://www.youtube.com/@JustHaveaThink