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Last seen: Aug 20, 2026
Many gas boilers do or can support WC. However the way we do dhw means that you may have to jump hoops to implement it. A friend of mine has employ...
Yup pretty much. My boiler does actually condense so its just possible that the efficiency exceeds 100%. Hence choosing the 7kW Vaillant which does...
So we can look at the scatter on some more experimental data, here is a plot for my gas fired system. It shows average daily power (ie daily gas cons...
A bit of a moot point as this is now into hand waving territory, but I had in mind +/-10%. Thinking at the next level of detail, if I had a determin...
All agreed except possibly the last sentence. I don't think its as simple as a constant lag because the fabric isnt monolithic. However certainly I ...
Its a very good question and one I pose above. As I say above it does depend on the actual circumstance and what design decisions may be triggered/de...
The elevator reached the level at which I had to get out, so I missed my opportunity to impress the CEO.
OK so I have been giving some thought to a possible gold standard test that can be performed on a house outside a controlled environment. It co...
Scrap them entirely would be my vote. Let those in the industry that deliver for their customers rise naturally, and those that rely on MCS to cover ...
Sorry I got to 1min 14 seconds and gave up. Disorganised, self indulgent, amateur cr*p up to that point, nothing to encourage me to listen to another...
It matters. Averaged over a sufficient time period what you say is absolutely true - its the first law of Thermodynamics! However you were apparen...
Agreed According to your profile you have an ashp, presumably operating weather compensation. This being the case I would expect a much better corr...
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Degrees of Separation
Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
Cloudy one done, might get the sunny one tomorrow or de...
By Watcher , 11 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 1 day ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 2 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 2 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 3 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 3 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 3 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 3 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 3 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 3 days ago
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