manievanwyk

I went with the heat pump and extremely happy with it (ITS 4.5hd). Heats the 200l geyser within 2 hours from 25 to 60 degrees and uses less than 2kw for that. The peak (1,25kw) usage I've seen is between 55 and 60. Works like a charm on my PV system. Sure it will take longer in the winter but still way more efficient than a geyser.

Hi. I'm looking at a good solution for water heating. I have a PV system, 8kw inverter, 12 panels and 3x 3,5kw batteries. I have a 200l geyser in place but removed the the 4kw element, installed a 2kw xtend element and a geyserwise. I'm running the geyser of the solar during the day but the 2kw element is really struggling to heat up the 200l water. Seems to only heat up the top layer but that quickly runs out. Been looking at solar geysers and heat pumps. After properly diving into this rabbit hole I decided that the best option for me is to go for the 4.5 ITS super heat pump. Problem with PV is that even though you get free water during the day, if I need hot water in the morning I need to fall back to the element (back to the 2kw that takes too long). With the light load from the heat pump I will be running that from my PV during the day in anyway so still free hot water (unless it's a real crappy day but that will influence a solar geyser as well). Also want to use my PV system and not have it idling after 11am when my batteries are full. Any advice or input from the forum?