Home solar power system

[vacerator]

re; Will Prouse, Maine house listing Zillo

Do you think he may be "family"? I have guns that were my dad's. A vintage 300 Savage rifle, and a Winchester 1400 semi automatic 12 gauge with a swap off deer slayer slug barrel. No handgun though, yet. If I think we need one to protect ourselves, then maybe.
Iam currently building a Faller ho scale kit of a similar house for my model r.r. layout. The Villa. Lots of detail, gingerbread and moldings. I'm leaving the stucco cram, but color washing the brownstone corners and collonades over with a light grey.

 

[warmsecondrinse]

#28

I was extrapolating from 20+ year old memories. So I could be way off, lol. Here's the data I recall

- family of 4
- 2 bathrooms
- 1 washer & 1 dryer ... both usual 24" undercounter size
- 1 dishwasher, also appeared 24". Don't remember if it heats its own water
- No problems with hot water running out if showering while washer is running

Hot water and heat start getting luke-ish on the 3rd cloudy day in a row of typical winter ~8-10C (?) weather.
The previous winter they had 3 nights in a row of killing frost (MAJOR cold snap for them) and it didn't warm up as much as it usually does during the day although it was mostly sunny. The electric backup wasn't needed. I'm pretty sure the tank was bigger than a typical 250 US gal. oil tank. The tank was exposed to the weather with northern quarter and top uninsulated for sun exposure.

Mind you, all this was through my own home made version of Interlingua (see link): Two very different dialects of Italian & Spanish, all of which were at 2nd year college on a good day... plus the Portuguese I was picking up as I bumbled along. So I might've gotten a few details wrong.

https://www.interlingua.com/

 

[brisnat81]

Hi Jim,

Brisbane is a subtropical climate, so we generally only have 5-10 days per year where we need backup electric resistance heat to keep the water hot. The rest of the time, the only cost is the electric circulation pump, to move the water through the panels.

The issue with more capacity, is that it obviously takes more solar gain to heat it all. In summer our three panels in our climate can overheat the tank, so the controller has a program to shed heat, by pumping water through the panels, when the panels are colder than the tank temp.

I'd be curious to see how many panels are needed to keep 2000L at 140deg, even in a tropical climate. My inquiry is purely based on the fluctuations we get here, with 450L and 3 panels.

I just found the attached brochure for commercial systems. 2000L needs 12-24 panels which is 250 to 500 square feet of roof space

https://www.solahart.com.au/media/1691/hs_series_commercial_brochure.pdf