Last seen: Sep 19, 2024
You are basically correct in what you state. A buffer tank may cause lower efficiency due to mixing unless the water flowrate both in and out is kep...
@jamespa Having now answered the first part of the original question, that setbacks do appear to save energy, how do you propose that the second par...
Please feel free to ignore all my post.
@jamespa If my understanding is correct, I think that you will find that the modeling tool performs the task that is being requested, since it calcu...
Hi James, There is a relationship between OAT and Energy In, but it is not as clear as the relationship between OAT and Energy Oat. The relationsh...
I suppose it depends upon the size of your solar PV array and the quantity of hot water used. The diverter, as the name suggests, only diverts the e...
@jamespa I had arrived at similar conclusions so time ago. Please find attached a table that I also produced some time ago to investigate the effe...
@toodles I think that you may find that even when fully open, the valve internals will have a smaller diameter than the attached pipework. Also radi...
In the Stiebel manual there is mention of an Oil Sump Heater, which may be using some of the 200W, though it would be be best to ask Stiebel and/or yo...
I believe that some heat pump try to maintain a fairly constant DT, by varying the water flow rate, while other keep a fairly constant water flow rate...
You are obviously already aware that for best overall efficiency, water should flow through the maximum heat emitter capacity. It is very unlikely t...
I would suggest that you leave the system as it is for the time being, but monitor the temperature in each room. If any particular room starts getting...
Latest Posts
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RE: Heat Pump Damage on install - useable or dealbreaker?
They have already been dishonest by not telling you abo...
By GrahamF , 2 hours ago
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Testing new controls/monitoring for Midea Clone ASHP
Hi all, I thought it might be of interest to others i...
By benson , 2 hours ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 3 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 5 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 5 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
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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...
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Selling 5 year old ASHP & Gas Combi Boiler - £590
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 10 hours 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 , 11 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 1 day 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 , 2 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 , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 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 , 3 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...
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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 , 3 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
