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Last seen: Aug 23, 2026
I spotted our value ages ago buried deep in a document/menu but now can’t re-find it! It will be the same 4C as JamesPa’s value, assuming it’s the d...
Can you explain the freeze stat function please? What is it supposed to to do? It us certainly to be described/labelled differently on other makes but...
Definitely interested in hearing more. Did you get the government grant?
@editor it would have been easy if the first guy who visited very promptly had been more software savvy but he did say he didn’t know much(!)
I’m not surprised an installer suggested replacing everything since he gets more work! Your system is 16 years old so what else might need changing?...
We have ufh in a small downstairs extension and it is far superior to the radiators elsewhere. It’s a small area so a simple thermostat mixer dropped ...
@iantelescope Heat-punk is good for seeing the effect of radiator size, flow temperature and general house heat loss. You put in all house dimensions ...
I look forward to seeing the results of your script. I fiddle with our WC curve increasing/decreasing between 0.55 and 0.75 according to the extent ...
Vaillant were very willing but the guy who came said he didn’t know much about software. So multiple re-installs switch on and offs later everything t...
I’m sure I’ve read somewhere that Samsung pumps don’t like going down to temperatures in the 20s so the 32C at the upper outside temperature end might...
To make your system more efficient you need to increase both your zones’ thermostats to above the temperature you want them at (see Heatgeek for more ...
In my personal experience of all things engineering no matter how carefully you try to think of everything that the future installation might need you...
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Latest Posts
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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 , 3 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 3 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 8 hours 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 , 20 hours 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 , 1 day 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 , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago



