Last seen: Sep 14, 2025
@jamespa There are many theories that may or may not help with heat loss, however, in reality, in a new build property, it is irrelevant as 80-85% of ...
@majordennisbloodnok Everything we do is about assumptions, we do not have x-ray eyes that will expose the failures of the building industry, so accur...
🤣 🤣 I have only put in over 900 heat pumps, so what do I know 😊
@Jancold Your kitchen would not have been cold, 18 degrees C is the temperature kitchens should be designed to because there are significant amounts...
@jamespa I agree wholehatedly.
@jamespa I agree with nearly everything you have said. However, today heating systems are critically undercharged for if you take inflation in to acco...
@johnmo It appears you do not value expertise or experience. Do you put your own fillings in your teeth? I think not, you pay an exorbitant rate for a...
All 3 drawings are hydraulically separated and are all buffer tanks. The third does not show a pump in the heat pump, which there has to be one, or wa...
@ecobaker Your system volume will be fine, just make sure you get the right flow rate with all TRV's open and at least 8 l/min with all closed. Leavin...
Hi It does not matter which side the pump is on, it is a circuit. You must however make sure that you have enough open zone system volume and flow. ...
@derek-m So would we all, but beggars cannot be choosers 😀
@lucia In my view, the Daiken is a better unit as it controls the Delta T of the heating water (The Vaillant does not ), and the controller is very mu...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
Interesting. The minute data previously showed very di...
By JamesPa , 5 minutes ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - I think the COP of 4.01 comes from the 's...
By cathodeRay , 12 minutes ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 28 minutes ago
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Ya can’t win! It is S*d’s Law!
I have been receiving invitations from Octopus Energy t...
By Toodles , 1 hour 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 , 3 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@jamespa The dormitories at my boarding school (in Exet...
By Toodles , 6 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 22 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 23 hours 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 , 1 day ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 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
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 4 days ago
