Last seen: Dec 19, 2025
@derek-m thanks for the insight. Ian also mentioned similar and that constructions may affect flow depending on how long they are. It’s good to now kn...
Not convinced it’s just about cost. My list is worryingly long and still extending into the cold dark night. Uncertainty at all levels! Primeval- wi...
Thanks @kev-m I was beginning to wonder, when they hadn’t responded to your post. But I thought “you never know”. thanks for your comment.
Hi @allyfish that sounds a useful way to get heat in the right places, using smart TRVs… Is it possible to link one TRV with another? What I mean is...
Hi @elab How are you getting on with getting your flow rate sorted? Do you still need help targeting a DeltaT of 5? in your post I can’t see what...
....But because you have a plate heat exchanger the coal on the train from MeashamLWTCB has to change trains mid journey to a different train running ...
IF the above statement still holds currency then this is more and more pointing to your PHE as the cause of both Low cop and increased cycling. One e...
I guess one advantage of a PHE over a LLH is that there won’t be any mixing between Flow and Return. However is there a quantifiable energy loss throu...
I am finding this thread somewhat confusing as my brain 🧠 overloads when data takes priority over basics. I feel this seems to be what’s happening her...
@bontwoody yes, I appreciate that but in this fast moving grant fed industry the copycat installer may well just take the headline of a big player and...
Hi @davesoa Difficult installers? It’s all about the Low Hanging Fruit! You’re not the only one who has had difficulty getting an honourable pro...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
TC Thermostatic Radiator Valve TRV Plastic Decorators S...
By Toodles , 17 minutes ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
UPDATE: Thanks everyone who commened with suggestions h...
By 9jwr9 , 5 hours ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
@toodles Hi, my friend recently made a video about heat...
By HeatPumpMe , 1 day ago
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 2 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 2 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 3 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 3 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
By Old_Scientist , 4 days ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 4 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 4 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 4 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 4 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 4 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 4 days ago
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 4 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 4 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 5 days ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 5 days ago

