Last seen: Nov 10, 2025
@batpred - putting it another way, why not have a DHW tank, unless there is an over-riding reason? Heat pump variants mesh well with the way a heat pu...
Some things worth mentioning: (1) the Headroom Heat Pump Heat Loss calculation is still just a calculation based on whatiffery. In the case of Midea...
The cylinder is there because heat pumps are 'low and slow' - they can't do bursts of high heat output, so you have to heat the water over a period of...
Which tells us something (including possibly everything) is not right. can you describe exactly how the data gets from wherever it originates to this ...
The thing is most people aren't physicists. If they buy an 100mph car, they expect it to go 100mph. I've suggested many times that the standard condit...
I agree, the badge rating is about output, and I think @drei's recent posts showed inputs, which is why I asked about outputs, and thereby COPs. Recal...
This is all part of the smoke and mirrors around heat pump marketing. My unit is badged as a 14kW unit, but the maximum it has ever put out is 11.52kW...
In effect you are relying on the manufacturer marking their own homework. Is there any way you can validate these readings? For example, I have an ind...
Latest Posts
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RE: Solar panels on side of house to heat water
Thankyou for the brain dump, all very worthy items. W...
By paultheheating , 15 minutes ago
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RE: Heat Loss v Outside Air Temperature
@jamespa I agree. Installers go on about the importance...
By bontwoody , 22 minutes ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Same here, we got Aira heat pump installed towards the ...
By ChandyKris , 22 minutes ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
I'm honestly crossing my fingers, my toes, everything. ...
By Crimson , 40 minutes ago
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Ecodan HW temp setting set itself to 40C
This morning I noticed that the HW was lukewarm and MEL...
By downfield , 1 hour ago
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RE: Is Your House Warmer Upstairs Than Downstairs?
I suspect its mainly that you get the views. Upstairs...
By JamesPa , 1 hour ago
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RE: Mitsubishi Ecodan FTC7 Legionella date set
The next run date/time is determined by the settings co...
By F1p , 3 hours ago
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RE: My DIY Heat Pump installation
I agree, many of the chinese manufacturers use the same...
By Batpred , 3 hours ago
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RE: Faulty Clivet heat pump out of the box
Thanks for giving this post a bump @benson. I'm going t...
By Mars , 14 hours ago
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@treewizard is this not the electrical pulse that keeps...
By ASHP-BOBBA , 14 hours ago
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RE: Samsung Gen6 and Havenwise ........
I am no expert on this but on your gen 6 controller onc...
By Alfapat , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk these are called roll top rads, they were still ...
By AgentGeorge , 1 day ago
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If the Vaillant is a 7kw unit I’d avoid. Quiet outside ...
By AdamK , 1 day ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
It has it's uses and there is no way I could have set t...
By benson , 2 days ago
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RE: Oil Boiler & Heat Pump Hybrid System
Thanks for the suggestion, but farmhouse is grade 2 lis...
By paultheheating , 2 days ago
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RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.
thanks, heatpunk looks great, being able to do the calc...
By giryan , 3 days ago
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RE: Finding a Thermostatic Shower Valve That Works with Heat Pump Systems
@morgan I should just have written ‘Mea Culpa’ shouldn’...
By Toodles , 3 days ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
'We learn from history that we do not learn from histor...
By Lawrence Leask FInstR , 3 days ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard Yes, I like the extra facilities that NetZe...
By Toodles , 3 days ago
