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Anyone using pool heat pumps to either heat water for heating house or cooling water to spit out hot air in the house? The prices on some of these are pretty low for a water-air heat pump. Example (there are many in the $600-$1000 range for nominal nameplate heat output)...

Hi all, I found santansolar.com a while back but it seems like their deals are a bit thin at the moment. What are some other bulk (re)sellers of used panels? I tried gogreenmansolar.com but couldn't even get them to give me a freight quote. I'm looking for 12ish 250W 60 cell panels.

Hey everyone, I have a MPP LV2424 that has been working well on 2x310W panels. Looking to expand the solar array. I found a good deal on some 250W panels. The manual says recommended is 2S4P, which seems reasonable but needs some big wires for the expected 34A (my solar array and inverter won't...

Hey everyone, I have a 8S 260Ah battery bank made up of 8 large cells. I did the initial top balance when I put together the pack this spring. I've been charging to 3.55V per cell and but didn't have balancing set to start until 3.58v. The cells mostly stayed in balance but today they were 60mV...

Hey all, I hacked together some scripts I saw on here and elsewhere to get data flowing from my MPP LV2424 hybrid inverter to a Grafana dashboard. There are a few steps involved: Wire up the inverter to a computer running linux with a USB to serial adapter (the built-in one is funky) Poll the...

How do you guys actually get panels on your roof? I moved 2x 310W canadian solar panels onto the short roof above my garage and it was not easy. I backed my truck a little bit into the open garage and hoisted the panels from the ground (leaning against the truck) to the truck bed, then further...

All other things being equal, if you had to pick between either the MPP LV2424 or the Growatt 3000TL, which would you choose? I've basically narrowed my search down to these two all-in-one inverters and am leaning towards the MPP. It seems to have a solid user base, decently documented features...