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Oswiu
@oswiu
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Joined: Oct 19, 2022
Last seen: Feb 5, 2024
Topics: 2 / Replies: 119
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RE: Knowing a system will work before we commit to it

Unfortunately it does not! The data are from a Drayton Wiser system feeding into Home Assistant. I am not 100% sure what it means, but I think it rela...

3 years ago
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RE: I'm so confused and worried about the running costs of my heat pump. Please help!

@winnie-wicket hi Winnie, I'm not one of these heat pump experts, but I think what would be very useful if you had copies (or could get them online) o...

3 years ago
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RE: Solar PV installed, now time for an ASHP

@toodles have you tried contacting Sunamp directly to see if they can put you in touch with an installer? Or maybe you could get a high temperature ...

3 years ago
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RE: Solar PV installed, now time for an ASHP

Hey Toodles, Is it just the hot water that's the blocker for these installers, or are there other issues? What do you think your peak heat loss is? ...

3 years ago
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RE: Knowing a system will work before we commit to it

@robl thanks for your detailed description of - what is to me - a novel method of estimating peak heat loss! Unfortunately I don't have a smart meter ...

3 years ago
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RE: Knowing a system will work before we commit to it

@batalto It would be a useful test, and I have been running at low temps recently to try to emulate a steady state heating system*, although I feel th...

3 years ago
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RE: Estimating Solar PV generation values throughout the year.

@batalto very interesting real world figures, thanks! It's not that I don't want a battery - and indeed these figures show roughly what I had predicte...

3 years ago
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RE: Estimating Solar PV generation values throughout the year.

@batalto I modelled a battery, but despite it's benefits it increases the time to pay back, possibly up to the lifetime of the battery depending on in...

3 years ago
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RE: Estimating Solar PV generation values throughout the year.

I went a bit OTT with my ROI forecasting and downloaded hourly data from PVGIS. I don't suggest that you do the same necessarily, but it's worth notin...

3 years ago
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RE: Knowing a system will work before we commit to it

Do you know if there are any pressure implications on the rest of the system if the pipes are changed for just one radiator? To be honest I think chan...

3 years ago
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RE: Knowing a system will work before we commit to it

Hi Kev, thanks for getting back to me, I have actually read that, and even have it bookmarked along with Graham's book. Although I thought I ought t...

3 years ago
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RE: Knowing a system will work before we commit to it

That's an interesting prospect, and I did think of that as the area is appropriate, but most of it would just be round the house so I sort of assumed ...

3 years ago
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