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Last seen: Jun 27, 2025
If their modbus-> Wi-Fi gateway is built using a rPI then it will be running Linux and some sort of daemon. Provided this daemon isn’t compiled (wr...
@derek-m I had missed that the dhw tank didn’t have a coil in it, silly me. That would indeed require an external heat exchanger to load up the cylind...
Plate loading the DHW coil, that’s a new one on me…. And is madness. Totally unnecessary and a massive performance hog.
They were sending copies out to anyone go asked for a while, not sure what the current situation is as they’ve taken down the video instructions from ...
I’ve used the freedom spreadsheet for my own place and am halfway through doing the calcs for my builder friend on the same. I’ve also modelled my ...
I sort of figured that this installer was a NIBE only installer, as he’s complaining about unit availability. I agreed though, it would be best if he ...
I’d find another installer to chuck something else in, then get this installer to refund you. Plenty of stock of decent units in the UK from other m...
@cathoderay it has an indoor temperature sensor… so it always knows the error between the setpoint and the actual indoor temperature.
It'as precisely this control strategy that is (I think) employed in Homely - indoor temperature sensor to know and learn the thermal response of the p...
@derek-m the same oscillation would occur if the weather comp didn’t match the property, and the system was running on an on/off stat. Please don’t ...
I think we can agree that users need a system that, in response to the indoor temperature and their preferences, takes control of the flow temperature...
@bobshopsupreme I don’t want to be Mr Pessimism, but all domestic heating circulation pumps comply with a standard specification for pwm control and p...
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 1 hour ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 13 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days 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 , 2 days 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 , 3 days 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 , 6 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 , 6 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 , 6 days ago
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