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Last seen: Jun 14, 2026
Hi! Just an update on my conversation with Smart Heating ahead of the job this summer. I asked them if, in the event I choose to stay with Oct...
Dear @jamespa yes, this is very useful input overall, and I think I made a reasonable negotiating pull with SH which made the price not raising despit...
@jamespa there are some important differences in the estimates but I am not able to tell why that is the case. There may be different software assum...
Dear All, I am coming to terms with accepting that I am not knowledgeable enough to make an expert decision, nor I can dedicate enough time to s...
Just an update on the responses received by Smart Heating. Here are my questions: 1.Why a 5kW pump has been preferred over a 3.5kW? May this choic...
@jamespa this is Sustain's reply to my queries I have specified the 3.5kW unit as this provides more than enough heat for your requirements. Th...
@jamespa Hi I wrote to Sustain and I may wrote to Smart Heating as well for a couple of questions on radiators (1 more to replace?) and decommissionin...
@jamespa thanks. I will take some time to make a head-to-head comparison btw these two quotes, and ask some final questions. If I decide for Sustain i...
Hi All! I finally received my updated quote from Sustain. Looking at efficiency it seems on par with smartheating (reattach it here too). Based on tha...
Thanks All! I am impressed by the quality of the scientific discourse here and I hope this thread has been of general benefit. I will take some more t...
@jamespa I was convinced I replied with the attachments...anyway, here you go only with two of the companies. I am still waiting from Sustain.
I received the new upgraded quote from SmartHeating (HeatGeek). The Maxflow is now at 45C instead of 47. What's interesting is that I now have a pro...
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Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 5 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 19 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago



