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Last seen: Oct 1, 2025
@knukes 🤣 🤣 🤣 🤣 Yes, they all say it cannot be done. We have a report from the university saying it does work but we have a long way to get to commerc...
I am working on that, the first prototypes have been tested at a university on a unit that produces heating and hot water which comprises of a box the...
@mike-h I hope you are putting that in inverted commas 🤣
@benseb You may need a plumber to install it, once you have done it, you may find the pipe is OK, if not, you can install another pump in series and r...
@mike-h The heating circuit should never be closes, you need to install a 3 port diverter full ball valve, either a Belimo, Esbe or Sintesi (from V Fl...
@mike-h I am doing a presentation on exactly this at PowerXlive in London on wedensday. You will see a significant increase in performance if you remo...
@drdp Hi, Difficult to determine what is wrong, can you PM me a system drawing listing all components and wiring if possible. It does not seam to be w...
@transparent This valve will control the flow temperature and on whether compensation and internal temperature, there are others on the market, but th...
@scrchngwsl The ideal Delta T for a heat pump is 8 Deg C. Any variance, either way, will reduce performance. The good units on the market will control...
@derek-m The Nibe unit actively monitors the electricity going back to the grid and will raise the water temperature first and then the house temperat...
@transparent You have too much micto contro for an efficient system. If you controlled the water temperature and blend it down with a proper temperatu...
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Degrees of Separation
Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 10 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 10 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 , 24 hours 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: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
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 , 5 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
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago
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