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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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Yes and no. To me, this is a classic case of excellen...
By Majordennisbloodnok , 8 minutes ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 42 minutes ago
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RE: Several AC coupled batteries
I must admit that, even as an electrical engineer (who ...
By ian33a , 4 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 12 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 14 hours ago
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BUS uplift to 9k for off grid installs. I can't establish if new builds are specifically excluded.
Hi.The BUS grant for new self builds is pretty straight...
By jimseng , 21 hours ago
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Looking for installer in Somerset
Hi All I am looking for someone who can re quote for ...
By jimseng , 21 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 22 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent it might be interesting to note the early ...
By Tim441 , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa these:
By AdamK , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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RE: Load Shift and Lifestyle Shift Complete - our journey has ended, for now
Last year we managed a net nil cost. Exceeding all my h...
By Tim441 , 2 days ago
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