Last seen: May 27, 2025
@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...
@derek-m The cheapest and best heat energy storage is a thick concrete slab with a well designed low temperature under floor heating system
@benseb the Delta T should be between 5 and 10 Deg C. Try reduce the speed on one of the circulating pumps. This will increase the Delta T and further...
Mars, I think you are very optimistic and have significantly overstated the number of well designed systems. From the amount of systems that we sort o...
@transparent You seam to have a system with a lot of potential. With a few alterations, it will improve conciderably and reduce your running costs. Yo...
Latest Posts
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RE: Pressure Drop in primary circuit
Just to update you all. I made up my own fill loop as...
By ohdearism , 16 minutes ago
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RE: Ecodan consuming 100kwh per day in new build!!!
Hmm Before doing that I would want to be certain that...
By JamesPa , 5 hours ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
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RE: Heat pump solutions and/or installer recommendations for France
Sorry Bravo. I have no installer contacts outside the U...
By Mars , 16 hours ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 16 hours ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 1 day ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 1 day ago
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If you are thinking of heating on the immersion conside...
By JamesPa , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness, I think your best bet would be using ...
By Aventus Eco , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles all depends on asking the right questions! And...
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RE: Commencing on an ASHP Installation Process
I received confirmation this morning that my Greener Ho...
By Sheriff Fatman , 3 days ago
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@jamespa Thanks for the advice - very helpful. I had al...
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RE: Adding battery storage to SolarEdge PV system
@chandykris No need to apologise at all! I forgot to ad...
By Toodles , 5 days ago
