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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 8, 2026
Topics: 27 / Replies: 5468
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RE: Electricity price predictions

At least in part because our gas is half the price that it is in many mainland european countries. Check it out! The 'problem' is, at least arguably...

9 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Thanks, I was beginning to conclude that would be the case.   Sorry but I dont understand this comment, can you clarify. The changeover...

9 months ago
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RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

Heat loss is proportional to Inside Temp - Outside Temp, its that simple if you ignore heat transfer from/to surrounding rooms. So if you design temp...

9 months ago
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RE: Volumiser required on Grant R290?

Closing blinds/curtains is another option, standard practice in sunny countries.

9 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Thanks for all the help so far. Based on all the discussions here is my latest iteration for a system which I think would work with Solis inverter an...

9 months ago
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RE: Renewables & Heat Pumps in the News

Precisely. These companies (however many there may or may not be, I still haven't seen the evidence) are the 'grant harvesters' that we speak about h...

9 months ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer

Well I suppose the installer can't know that it will be operated open loop so providing a volumiser with sufficient capacity for a defrost is a safe m...

9 months ago
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RE: Renewables & Heat Pumps in the News

I think you forget that people in Government are human beings just like the people who run large companies or indeed you and me. They don't and cant ...

9 months ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer

From several reports on this forum it seems that many UFH installers are just that, UFH installers not heating engineers. They see their own sub-syst...

9 months ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer

Now the link works you are right. Installer is still wrong though IMHO (workings set out above) to install it as a 2 port buffer not a pure volumiser...

9 months ago
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RE: Midea anti-freeze valve issues with DHW and heating turned off

I guess it depends on exactly what you did. If you cut power the the control unit then or the outdoor unit then quite possibly it wont switch on. If...

9 months ago
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RE: Battery with existing PV - regulations

There is something here about generation with export limitation which I think makes it clear that it should be possible subject to having the right eq...

9 months ago
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