Last seen: Oct 24, 2025
I had a good chuckle at this. 😉 The Aira YouTube product launch was targeting Germany, Italy and the UK markets, as a group launch of branded Vaillan...
No data sheets or produce literature yet, but a very glossy product launch. It's a branded Vaillant product, so it should be good. I'm not a great fan...
That's revealing. The house may be super insulated, but typically a Victorian property would have solid walls and non-insulated floors. Do you know mu...
Depends on the heat loss of your house and how warm you are wanting it. Defrost can effectively de-rate a heat pump's output capacity if the time take...
@signorjim delta T flow and return of 10degC is quite high for an ASHP. At 10degC delta T and 17l/min flow it's theoretically giving out 10x4.2x(17/60...
Hi @signorjim, the slow rise in leaving water temperature from your ASHP [I presume you mean, rather than refrigerant temperature], may be due to the ...
Agree, heating oil prices vary short-term seasonally, and longer-term with the cost of a barrel of oil. We found we could always purchase it for less ...
@steve81uk and @toodles, we're all on a similar journey here. Perhaps to a lesser or greater extent of data acquisition, analysis and statistical geek...
@graemed well done! Will you be issuing an invoice to your installer at your standard charge-out rate +VAT on the same payment terms they had with you...
@heat-pump-newbie most dehumidifiers are free-standing, so you need to be a little careful with 240V in bathrooms and where you locate it. Most can be...
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@majordennisbloodnok Good explanation I thought ὠ...
By bontwoody , 7 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
I am using my Powervault electricity monitoring App to ...
By Ecoste , 7 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
After installation the system did develop a noise in th...
By RadWhisperer , 8 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa it doesn’t seem to matter the outside temp it ...
By AdamK , 8 hours ago
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Apologies as my post clearly interrupted this flow. Whe...
By Batpred , 9 hours ago
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RE: One room is colder than the rest of the house
I would personally be sceptical about reaching any conc...
By JamesPa , 10 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
If you paid for any of the assessments try asking for t...
By JamesPa , 11 hours ago
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@drei Thats a nice designer radiator which it would ...
By JamesPa , 11 hours ago
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I've created a separate post here, wondering about radi...
By DREI , 12 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@ecoste, @walnut-tree-cottage these are both great piec...
By JamesPa , 13 hours ago
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RE: New build installation query
That suggests to me that you have loss of heat in the p...
By Transparent , 15 hours ago
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RE: Solar inverters - where does the energy go when clipping?
You will, of course, check the dimensions and weight be...
By Transparent , 18 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - there may be other ways you can improve t...
By cathodeRay , 19 hours ago
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RE: What should we do with our Aga?
@annahickson We had a similar dilemma with our oil-fire...
By Morgan , 20 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
17l/min is enough for only 6kW at 5C DT, not surprising...
By JamesPa , 21 hours ago
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@bontwoody The extra battery capacity is the solution f...
By Toodles , 21 hours ago
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RE: End of Summer Time Reminder to Ecodan owners
As I understand it....ha....Melcoud will over ride any ...
By Abernyte , 21 hours ago
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Finding flow temp data from Samsung 16kw HP
Hello, I have a Samsung MIM-E03 16kwh heat pump, and ...
By martingale , 1 day ago
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RE: Faulty Clivet heat pump out of the box
We would never win these projects as we spend 1 whole d...
By ASHP-BOBBA , 1 day ago


