Since the O.P. is going to build, he should be able to get the figures he needs from all the appliances he plans to buy. If all electric there is a huge difference between heat pumps and an electric baseboard heat system with cheap electric water heater, etc. etc.
Even among energy star...
Depending on shipping costs. I am interested in a solar thermal setup to supplement my PV, but I am Pennsylvania so shipping would be a killer. How about everything but the tank? Maybe I could use an old 50 gal. water heater tank.PM me please.
I am going nuts trying to figure out a safe place to store batteries. I was planning to put them underground but there is too much condensation, frost heave, etc. here. The house and finished firetrap of a basement have exactly the same footprint so no where without a "habitable area" above it...
Oh, I can perhaps figure it out and design something that will work, but I prefer to pay someone else to let the magic smoke out if needed.;)
I am on this DIY site because the few installers around are all doing the same Enphase or SolarEdge based grid tied systems with their respective...
I believe it's about money mostly, but also the unhappy customers that want grid level power at way less than the grid. The big franchises are sucking up the easily repeated ,grid tied, rooftop mount solar business.
In response to @Mattb4 comment once I decided to go with off grid rather than the grid tied system I 've had for years, I haven't found anyone willing to do that.
All the companies want to do grid tied packages only. I have only been actively looking for someone for a few months, so I will...
Are you using optimizers with your inverters ? I might be tempted to use microinverters in that location, but have never tried either .
Might save cutting down a tree or two or three ...
Mine seemed to be pretty effective as a dehumidifier as well. I run a dehumidifier all season (some years 2) but I remember thinking there was a lot less water to dump when I first got it. Then I set up the dehumidifier on a sink with a drain.