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Last seen: Jun 26, 2026
@ronin92 that's a good find, thank you. Having had a speed-read of the research paper, it seems the elephant in the room may be the simple affordabili...
Welcome @mortstar. 🙂 Compressors are very well protected in ASHPs, and user and installer configurable setting adjustments to the water side controls...
Nice find. Crown Estate publish real time data for offshore UK wind./p> You can see the opportunity for harvest the potential for offshore wind the ...
We have 3.6kWh solar + battery, 10kW ASHP & IBoost. All works beautifully for us. Solar PV powers, in order; ASHP when running, surplus generati...
We do that on Octopus Cosy, ASHP heating off 1-2pm for HW charge, off between 5:30pm and 6:30pm during peak tariff period when we're powered by batter...
@derek-m absolutely agree. We fitted a 3.6kW 9 panel solar array alongside our ASHP. I then had a 6.5kW battery fitted. Together with Octopus Cosy the...
@tim441 same with me! Installer & commissioning engineer left Climate Compensation disabled and fixed 50degC flow temperature. It was costing a fo...
My personal take: 'playing to the gallery' The overwhelming membership of the EUA seem to be from the fossil fuel and direct electric heating industri...
I think MCS MIS3005 standard requires weather compensation to be enabled wherever it is an option on the system controls Tim. The design temperature i...
Plinth heaters will work with any heat source, boiler, ASHP, etc. Heat output is purely a function of water inlet temperature, room air temperature, w...
Octopus seem to get it. I moved to them for electricity and their Cosy tariff really works for us. Great customer service.This is a well detailed and ...
It's a pi$$ poor location for the ASHP, there will be an efficiency penalty. The Grant installation manual is a copy of Chofu's Japanese detail. The '...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 3 hours ago
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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 , 8 hours 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 , 20 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: 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



