What's So Special About the Mixergy Hot Water Cylinder?
44:40
Can we DIY ultra efficient UFH with a heat pump?
8:03
Mixergy? THIS ALTERNATIVE CYLINDER IS 400% BETTER?
10:30
Plumbing - How Does a Hot Water Cylinder Work ?
13:12
This is Why Heat Pumps May NOT Be The Future
47:11
Powering An Old Mill - 1.5 Kw Lake District Overshot Waterwheel Project Part 2
27:04
Wonder of Manufacturing - Worlds Cheapest Automated Hot Water Central Heating System
39:48
How One Invention Could Decarbonize 25% of All Energy
2:02:47