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Last seen: Aug 16, 2026
Interesting article Mike, Im surprised the technician said that about your DHW, as to be true your heat pump would have to have a COP of less than 1 a...
@minos Dont worry, even without the smart meter Im sure you will only get billed for your actual usage from the good old fashioned meter 🙂 My person...
@cathoderay Schrödinger's waiting room is a concept ive never thought of before 🤣 Counter-intuitively there is 35% none of the patients in the waiting...
@peter269 as luck would have it a new post with underground insulated pipes, presumabley MCS installed as its a new build. looks like you have se...
@peter269 I havent gone down the MCS route Peter, so Ive pretty much done as I want. Are they really stipulating the size of the cylinder based on the...
Hi Peter My first thought is why if you have managed with a 100l cylinder are they insisting you have a larger one? At the end of the day it is your...
It’s a bit left of field but could your 3 port valve be a mid position three port valve? Does the CH side of it get hot when DHW is on?
@declan90 Too true, balancing the grid must be a tricky job. My experience was that the DNO wasnt overly keen on getting into a conversation with me, ...
Sorry Declan, those sorts of issues are beyond my level of expertise. I would hope that companies like Solaredge and Huawei would maintaince parts for...
@derek-m apologises I was in a rush and abbreviating. I will insert 'coupled' into the relevent paces in my post 🙂 Update seems I cant actual edit t...
There is an additional consideration if the DNO has to be consulted. An AC battery can discharge to the grid independently of the solar panels which c...
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Latest Posts
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RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 11 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 22 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 days 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 ...
By JamesPa , 3 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 5 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 6 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago



