Last seen: Nov 3, 2025
@toodles honestly I don't remain convinced. I thought the whole point of sunamp was to heat internally to very high temperatures (well over 100°) and ...
@toodles can't you just reuse that tank? Or get a heat pump compatible tank the same size? Frankly you'll save a fortune. Also I can't imagine a heat ...
@toodles yes why do you need a sunamp? Seems like you are hamstringing yourself for no real reason? you say a tank is undesirable, but really what's t...
Sorry why do you need that brand? I am confused as to why. I see nothing in your existing setup which locks you in?!
@oswiu my battery accounts for roughly 32% of my total power use. Not sure how you modelled it, but its a solid investment in my view. I've been track...
@oswiu I tested to see if our house could handle a heat pump by turning down the flow temperature on the boiler. Realistically thats the major test. J...
@oswiu get a battery - it smooths out those peaks and troughs as well as covers you over night
@alec-morrow I have tested this by logging my power use over last winter and also logging the average weather temperature outdoors. The line is more o...
you can do either of those options. Using the Hive is less efficient than using the Mitsubishi controller. This is because the controller can actually...
@rich if your house is overheating when you whack the stats to full your weather curve is set too high, or your flow temperature mixer into the underf...
@editor thats a lot of power sans heat pump. We are home all day with children and without heating we use around 15kwh. You must have some hungry stuf...
@markc/p> That should do you
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Changing from 4-port buffer to volumizer
BackgroundI bought a house at the beginning of 2025. Th...
By Andy1618 , 28 minutes ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Just wanted to add something to this in regards to Octo...
By DREI , 37 minutes ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
Sorry, but I cant see what the point of this is unless ...
By JamesPa , 16 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
TC Thermostatic Radiator Valve TRV Plastic Decorators S...
By Toodles , 19 hours 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 , 24 hours 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 , 3 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 3 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 4 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 , 4 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 , 5 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 , 5 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 , 5 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 5 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 , 5 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 5 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 6 days ago

