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Last seen: Oct 22, 2026
You don't have an arotherm (Vaillant is another make of heat pump), you have a Samsung, or that's what you told us. Different beast, same principles....
They aren't working together and the evohome will be clobbering your efficiency. Nope, waste of money. Either remove the evohome heads altogether ...
They are, unless to fit them would make the system less efficient/effective. Unfortunately installers love to fit them even when the latter applies. ...
For what it is worth, the way the Vaillant heat pump control works in pure wc mode (where actual room temperature is not part of the control loop) is ...
@rob_cirrus_energy has given some excellent advice albeit for a different system. The same principles will apply to you but the specifics will be dif...
Ok see my answer above re the readings. A heat pump is in terms of its function just like a boiler. It heats water which circulates in your radiato...
I suspect this is target dhw temperature and current dhw temp,erasure.
I am sorry to hear about your problems. I know nothing about ECO4 but do know something about heat pumps which should be a factor of 2-3 cheaper t...
Please thank @judith who posted this initially!
I have now read this in full. Very interesting and logical. One of the better papers I have seen in relation to ASHPs!
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Degrees of Separation
Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
Indeed! 3.84 here.
By Watcher , 15 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Mystery solved to some extent. Need to selec...
By dansus , 1 hour ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Interestingly we had an internet outage about a month a...
By Rob of York , 6 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 6 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 9 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 1 day ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 1 day ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 1 day ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 1 day ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 1 day ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 2 days ago
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