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Last seen: Aug 23, 2026
Here’s a little more technical detail/p>
A good start but I’m glad I didn’t need to learn something. Perhaps my questions were ambiguous but. Got contradictory answers on room stats and the w...
Thanks @lucia I look forward to some technical facts as well as executive summaries. The foreign reports are not separate investigations just translat...
Our system starts cycling below ~8C and I’ve tried to tie that to output kW and lost interest. Our system is high volume plus a volumiser so it cycles...
Response sent yesterday
@morganr Hi, like you I did an awful lot of my own calculations to ensure I knew what was needed. So I appreciate how much time you’ve put into it, we...
@scalextrix for our house 1950s detached the air leakage proportion was30% of the supposed total, using the default values. In fact with the measureme...
The usual problems are not including known insulation improvements or the defaults for air leakage. If you have an actual air loss measurement it ca...
@westkent sorry to hear that you were mis-advised, but sadly not surprised. If it were me I would want to move as a matter of principle and several of...
Certainly our Givenergy battery shows the same effect with the newest software. It is deliberately designed to reduce the rate of charge so it has a “...
@johnmo no external air supply, just the room air. We do have CO detectors and never had any alarms. But the measured flow on the MVHR system vent ...
We have a cassette style inset stove, much more efficient than an open fire, which is less than 5kW so doesn’t require any deliberate ventilation. It ...
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 4 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 , 18 hours 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 , 1 day 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 , 1 day 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 , 2 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 , 5 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 , 5 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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