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Last seen: Aug 20, 2026
Our Vaillant boiler was working with weather comp, but operating with a low set back different temperature overnight. We limited the boiler flow tempe...
@jamespa I was just commenting on the speed, not suggesting shortcutting due process. Moving slowly seems to make it predictable, a benefit on i...
Yes, I meant the 30 minute raw data as the input. The 3-6 hrs is how your formula worked, I believe. Thanks!
Eventually we managed to get our Arotherm to cool, even if a bit too late to get much data on how effective it can be. With the built-in dew point f...
to delete (repeat)
Oops, I meant Sensocomfort (the UI to the controls)
Our instal was very much the opposite. White haired bloke, not a great talker, built the whole thing pretty himself (except the electrics) in 3.5 days...
Just wanted to update on this. Now that I see Sensocontrol in action, I have so say Vaillant did a pretty good job to make all the useful functions ...
Useful advice from an expert in A2A ...
49C seems high indeed. We had Heat Geek even if we found their heat loss assessment approach problematic. The sizing of the pump matched what we sa...
A really nice way to put it! Even if it is not much consolation when I look at the more than half a dozen certificates and the like for our install...
While skim reading a manual for our Vaillant HW tank, I saw they are quite funny about not using glicol on the system, I'd expect similar or even more...
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Latest Posts
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RE: Who's your electricity provider and what's your tariff?
Not sure if the free hour of electricity will run every...
By ChandyKris , 57 minutes ago
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RE: Heat Geek mini store vs pump size
When looking at 3-4kW houses its also worth bearing in ...
By JamesPa , 5 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 7 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 9 hours ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 22 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 , 4 days 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 , 4 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 , 4 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 5 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 , 5 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 5 days ago
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