The efficiency of hot water heaters is actually surprisingly good. A modern insulated tank retains heat very well. And it's more flexible for heating options

The efficiency of hot water heaters is actually surprisingly good. A modern insulated tank retains heat very well. And it's more flexible for heating options since the water can be heated slowly over time. You can now get heat pump water heaters that are more efficient than tankless heaters. [0] Water heaters are pretty clever, in a low-tech sort of way. Technology Connections did a good video about them recently. [1] 0: https://livefreehc.com/blog/heat-pump-water-heater-vs-tankless/ https://livefreehc.com/blog/heat-pump-water-heater-vs-tankle... 1: https://www.youtube.com/watch?v=Bm7L-2J52GU https://www.youtube.com/watch?v=Bm7L-2J52GU