Last seen: Jan 8, 2025
I thought the COP would be better with the bigger output at these high demands and it is. If the COP stays at 2.4 then the 16kW should deliver 12.4kW ...
It looks like that, at the design ambient temperature, the ASHP is unable to achieve the design flow. It certainly sounds like your ASHP is under-powe...
It looks like that, at the design ambient temperature, the ASHP is unable to achieve the design flow. It certainly sounds like your ASHP is under-powe...
Most ASHPs can modulate down to about 30-40% of their nominal rating. So for a 10kW ASHP, 3kW. If the target flow is 35 deg and the ASHP only needs ...
@batalto so with the LLH, the ASHP is using more energy but delivering the same. Is this because energy is being emitted from the LLH like a radi...
That's encouraging. To save me copying the numbers, is the energy delivered about the same before and after? The consumption is lower and the COP loo...
Lucas, Good suggestions so far. Can you give us an idea of the size, age and type of house? It's hard to say whether your costs are high without k...
I'm sure if their new car had visible damage, most owners would (rightly) insist on it being fixed or replaced. Installers who put in ASHPs with dama...
@cathoderay I have the same issue and I just switch off between 12 and 5am. My house is back up to where it should be in 2-3 hours in the morning,...
It's the other flows, not the boiler ones you should be looking at. I think 'boiler' = immersion in Mitsubishi. Don't worry about the system off wa...
As long as you don't close off too much of the system you can safely turn down a bedroom TRV. If you shut down too many you'll reduce demand and you...
Latest Posts
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@hughf, I think we’ll organise an RHH session at Instal...
By Mars , 12 hours ago
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@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 14 hours ago
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RE: Adding battery storage to SolarEdge PV system
That's concerning. I am currently looking again at the...
By JamesPa , 16 hours ago
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RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
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RE: Commencing on an ASHP Installation Process
@jamespa Your post reminded me of an interesting intera...
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 23 hours ago
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RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
What you run the cable through will affect its current ...
By Transparent , 2 days ago
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I don't know how to enable cooling on Daikin and @major...
By JamesPa , 2 days ago
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My advice is reject unless they will delete the buffer ...
By JamesPa , 2 days ago
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RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@dowallydrifter OK. I would recommend you read t...
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RE: Solar to power Heat Pump for DHW
Wow, how big is your heat pump that it is pulling 6kW d...
By Old_Scientist , 3 days ago
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There are DHW tanks with a built in heat pump that take...
By JamesPa , 4 days ago
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RE: Vaillant AroTherm Plus 7kW
If the thermostat is connected to the call for heat ter...
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RE: Renewables & Heat Pumps in the News
Yes I realise I'm picking this up a week late...... but...
By Transparent , 5 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@cathoderay how did you get a script to run for that- d...
By benson , 6 days ago
