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Last seen: Mar 16, 2026
@NJT, same here with my experience. 50degC design, which at the time I didn't query. But the same set up is now set to 45degC max, and most of the tim...
When comparing quotes, it's very important to try to ensure technical parity. Very crudely, the higher the system design temperature, the lower to cap...
There's standards and then there's standards, in order of precedence: Legislative, European/international/British, trade/industry codes of practice,...
Hi @mellow, pics of our Grant thermostat below. Rotary control but digital setting. Standard on their pre-plumb cylinders I believe. First one we had ...
@jml likely a 150 litre cylinder would be ample for you, with immersion backup. The standing losses on modern cylinders are very low, so once charged ...
Hi @JML, it's great to see these discussions, and the help many experienced and knowledgeable people here will provide. There are a lot of variables t...
@mellow that will be fine to have the internal pump running on, it will be to remove residual heat and pressure from the condenser inside the ASHP, an...
@mellow this is good to hear. The tried and tested solution of 'pratt about with it until it finally fixes' seems to have come good for you. 😉 Your...
Grant charges me £250.80 for a combined service of a 10kW Aerotherm ASHP, plus a 210L pre-plumbed cylinder. 'ServicePlan2' A condition of the product ...
Excellent observation @derek-m, modern well insulated homes with low infiltration/exfiltration AC/h values tend to suffer from overheating upstairs. T...
Hi @Mike, says 65degC on the Samsung Data sheet/p> Other data sources support this:
Hi @roel. Welcome 🙂 The Samsung Gen6 12kW ASHP can heat water up to 65degC, which would charge your DHW tank to 60degC within a reasonably short ti...
Latest Posts
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RE: Anyone concerned about GivEnergy?
An incredibly enlightening piece on the subject by @maj...
By Mars , 4 hours ago
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Home automation and the cloud; is there a better way?
You’ve just had a brand new system installed (heat pump...
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
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Its good kit the Midea and significantly cheaper, you w...
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RE: Indevolt Batteries UK Support & Info Thread
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Critics and naysayers will be negative whatever the gov...
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
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RE: Electricity price predictions
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There are just too many unknowns for me to comment on p...
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
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RE: Upgrading my system, how far do I go?
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
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Thanks @goody, appreciate the feedback and sorry you ha...
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
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Yes, and these guys would probably be my preferred inst...
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RE: Hot water tank lose heat rapidly on random days
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RE: Ecoflow UK Support & Info Thread
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
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