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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Oct 28, 2026
Topics: 28 / Replies: 5535
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S

degreedays.net has figures from actual weather stations. Personally I would pick a close one unless in a frost hollow.      

2 months ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S

@jon thanks for that.   Here are a few observations/questions graphs numbered left to right, top to bottom 1 - no particular comment 2- i...

2 months ago
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RE: 7kW EV Charger Options Advice

Posted by: @rusty ↑       I had only a granny charger for the first two years of EV ownership (Kia niro,). I didn't ...

2 months ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S

That post sounded, in several places, just like the way ai responds, have you been spending too much time with Claude and picked up some 'ai speak'? ...

2 months ago
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RE: 7kW EV Charger Options Advice

I had only a granny charger for the first two years of EV ownership (Kia niro,). I didn't find the charge time a problem with a bit of planning. I e...

2 months ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S

Thanks for sharing that. Your objective seems very sensible as is working out what to do before you are forced to do it in a hurry! As to the cal...

2 months ago
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RE: Adventures in heat loss calculations

Was the tweaking adjustment of assumptions to fit the facts?

2 months ago
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RE: Adventures in heat loss calculations

My only comment is well done. You have come at this several different ways and got, perhaps a bit fortuitously, very similar answers. If only heat p...

2 months ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless

Nothing attached! I have rads but UFH makes the case for not using thermostatic control (and certainly not third party thermostatic control) even st...

2 months ago
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