Last seen: Sep 15, 2025
@iantelescope In summary this all looks good so far. I can offer the following initial observations on the graphs These are showing a sm...
Good, the graphs will take some looking at to see if there any insights. @derek-m may beat me to it. If it looks like room temperature is genuine...
There is some possibility for confusion here. If its the design schedule from the system designer then 'at a design temperature of 50' is likely to...
Unfortunately I think this goes beyond heating engineers, its a facet of practical trades in our country - we value celebrity and financial engineeri...
@editor Precisely so. We need an industry that has the capacity and delivers a quality product at a reasonable price. DiY-ers complement the i...
@johnmo @heacol @derek-m Perhaps it would help to distinguish expertise from experience. Expertise is valuable in most circumstances. Experience i...
@iantelescope Good. Why are you expecting the house to cool significantly? If I understand your system correctly your secondary (radiator) p...
PS. I should have added that the heat pump capacity you need may be up to 25% less if you have a very old (ie inefficient) boiler. In the range 6-9k...
On the basis that oil is 10kWh per litre, 1800 litres is about 18MWh. That very roughly translates to a 7-9kW heat pump. You will need to have a pro...
It is clear (and has been all along) that the advice you are receiving from tradesmen is inconsistent with the advice you are consistently receiving f...
@iantelescope As I say in my post above I am sorry to hear about your woes. The fact is that you don't need to pay a further £1500 or anythin...
As @toodles says above. Basically you don't except as a one off when the system is commissioned (or over time) by balancing the radiators using the l...
Latest Posts
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@editor thanks Mars. I've managed to find a phone numbe...
By bontwoody , 4 hours ago
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@rhh1, I’ll contact Daikin’s brand manager tomorrow and...
By Mars , 4 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
In a way I would like to agree with the final conclusio...
By JamesPa , 6 hours ago
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RE: Big Changes Coming to Our Heat Pump System
Day one is done. The system’s been fully flushed and ...
By Mars , 7 hours ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 9 hours ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 9 hours ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 10 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 13 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 1 day ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 1 day ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 1 day ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 3 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 4 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
