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Last seen: Aug 13, 2026
hi @morgan this issue was discussed on a post about 2 months ago: find post called: Mitsubishi 8kW - strange energy use readings It has been noti...
Here’s is an interesting training video from Adam (Heatgeek) targeting a discussion to the would-be plumber re- training brigade. Try viewing from 3mi...
I’ve just come across this YouTube story about heatpump installation. I thought it was appropriate to this thread esp regarding sizing. The customer e...
Much of what you say is about the specifying side and I’m sure you’re aware the installation and commissioning side also has its problems. MCS does...
I am sure you can now see that it would not be easy to train every building regulations officer into the Myriad complexities of heat pumps. To have th...
You appear to have reinterpreted my post above! My reference to planning clearly describes a “planning authority” and “planning process”. Whereas you...
@jamespa Not implying anything just trying to understand your surroundings a bit better. What you’ve said confirms there’s nothing else preventing you...
Have you been told that you cannot have a heat pump in your property location for some reason? Does your property and outside space meet the Permitted...
I think @jamespa stated his home is a listed building…. Without knowing the nature of the listing it’s unclear how protected the house and location is...
This is good to hear your installer is working well and trials are being rewarded with new insights. The slower pump speed in the secondary (closed l...
In search of the Goldilocks heat pump- not too big and not too small may be easily achieved when the right information is on hand. In an earlier post ...
Phil, don’t you think the industry has already been doing the easy stuff and for long enough already? This energy/carbon transition, we are lead to be...
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Latest Posts
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Guildford is a University town. If Jon were there, ther...
By Transparent , 15 minutes ago
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RE: 7kW EV Charger Options Advice
No first hand experience, but from reading around you c...
By Old_Scientist , 23 minutes ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 27 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Post by: @old_scientist The first thing I would say ...
By Rob of York , 19 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 3 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 3 days ago
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 3 days ago
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 4 days ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 4 days ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 6 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 7 days ago



