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I am installing a Thermosyphon water heater on my home in Baja. Next month we will be traveling for a month. We're going to shut the water off while we're gone. What's the best way to leave the water heater while we're gone? Should we drain it and leave the expansion valve open? Or leave water...

I've been trying for a while to get a solar setup for my home in CO. My house is pretty electrically efficient so the system is too small for any of the installers in my area to give me the time of day. My energy use over this past year was average of 320kwh/month, with the high being 432kwh in...

Thanks to everyone here who patiently answered all of my questions and gave advice. I have a 2 story, 1000 sq ft home in Baja California Sur, MX, on the East Cape. My solar setup has been online for 10 days now and is doing well. I have 6 Hanwha Q-Cell G5 315W 120 cell panels that I picked up...

I have some questions about setting up the Growatt system with solar as primary charging and a manual start generator as backup. I have a 1.9kw solar array and it seems to be charging the 2 GYLL 48v LiFePo4 correctly. I have the Growatt set to program 01 (output source priority) SBU priority =...

Hi there. I'm trying to design a system for an off grid house of 900sq ft. I'm planning on using 4 LONGi 320W Solar Panel 120 cell LR6-60HPH Modules, wired 2x2 so as not to exceed the limits of the Growatt SPF 3000TL LVM-24P. Batteries are expected to be 2x 12V 200Ah AGM in series. I might need...