Extra panels or Solar Geyser?

Snyper564 said:
Yeah we have wonderful insulation in our ceiling barring solar etc one of the best investments to date in the house! The thicker the better!
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I did this to my previous house. Before that, I tried those fancy roof paints that supposedly cool your roof. Did not notice a difference. Put in some Isotherm. House instantly cooler.

Part of my longer term upgrade plans. But because I have aircon in the bedrooms, I tend to prioritised other things first.
 
Geoff.D said:
Care to elaborate what the plumbing and regulation issues are?
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He’s gone in circles with this story in another thread as well and it still make no sense to me why a normal part of almost every household in SA is such a drama for him.
 
Snyper564 said:
I run retractable fans in our house every room has one and runs almost 24/7 2nd year we had them and they work beautifully for Gauteng summers dead quiet and 60w power. Many ways to skin a cat.

Im craving a braai now too :P
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Same have them in every bedroom and normal old school ceiling fans in the rest of the house.

They come on the moment it goes above 25-degrees.

Now I run all three aircons one the solar is pumping all day and it means I don’t need them at all at night because the house is cool all over and there’s very little residual heat in the walls.
 
wingnut771 said:
The law.
A gas geyser can't be near (ignition source), or window (ventilation) and drain (who knows why).
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So Aircon because electricity, window because source of air assists a potential fire and drain because IIRC concentratd sewer gas is explosive when ignited.

That's interesting.
 
wingnut771 said:
The law.
A gas geyser can't be near (ignition source), or window (ventilation) and drain (who knows why).
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But they aren’t gas.

He was switching a 300L electric (solar) geyser for 2 x 150L electric geysers for reasons I still cannot fathom.
 
SauRoNZA said:
But they aren’t gas.

He was switching a 300L electric geyser for 2 x 150L electric geyser for reasons I still cannot fathom.
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Only thing I can think of is better management. You can set two different timers and spread a lower load, rather than having one big water store that requires more power to heat over a single period of time...
 
I'm late to this thread (probably better so), but I'm yet to see a good argument for adding a solar geyser instead of more panels.

Also, if you have a spinning disk you also have access to the cheapest battery around. You need to size battery to cover loadshedding, but for night time use you've got the grid available
 
SauRoNZA said:
But they aren’t gas.

He was switching a 300L electric (solar) geyser for 2 x 150L electric geysers for reasons I still cannot fathom.
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I thought someone mentioned gas then another someone mentioned lots of hurdles.
 
Mike Hoxbig said:
Only thing I can think of is better management. You can set two different timers and spread a lower load, rather than having one big water store that requires more power to heat over a single period of time...
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What about setting geyser A to max temp (75) then geyser B to 55.

Geyser A feeds geyser B so B never turns on?
 
wingnut771 said:
What about setting geyser A to max temp (75) then geyser B to 55.

Geyser A feeds geyser B so B never turns on?
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I did something similar at my previous home with a solar geyser. Two 150l geysers connected to the solar collector, but only the one geyser with an active element (managed by geyserwise). Solar heats 300l but Eskom only tops up 150 if needed. It worked quite well.
 
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