Last seen: Dec 18, 2025
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...
I think this is far too common. A mixed bag with me, both from the same renewable installer. ASHP install pretty good, the plumbing team were exceptio...
Latest Posts
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RE: Mitsubishi Ecodan R290 10kW performance
@majordennisbloodnok Delat T 3C, no defrosting and I am...
By Ecoste , 22 minutes ago
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RE: New Fogstar 15.5kWh upright solution
SITREP #5 (I think) Milestone completed toda...
By GGW , 2 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
The FT levels off at either the set point OR the minimu...
By AndrewJ , 2 hours ago
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RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 2 hours ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
I see that Mars has changed the post title. Not a probl...
By Caron , 3 hours ago
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RE: Speedcomfort radiator fans
My take on Speedcomfort radiator fans: If anyone w...
By Mars , 8 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump I have yet to come across any Clivet or Mid...
By benson , 8 hours ago
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RE: Who's your electricity provider and what's your tariff?
@transparent Thanks, this helps. Could it be that St...
By Batpred , 9 hours ago
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RE: Clivet ASHPs and weather compensation
Simon did share a lot of very helpful advice. On furthe...
By ambris , 9 hours ago
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RE: Home Assistant vs ESPAltherma.
@majordennisbloodnok Thanks very much.
By Ubert767 , 10 hours ago
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RE: Setback savings - fact or fiction?
I could, but I think we can do better, by plotting hour...
By cathodeRay , 1 day ago
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RE: Advice on internal circulation pump noise
Extend the primary branch and make sure you have more t...
By ASHP-BOBBA , 1 day ago
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RE: External pipework insulation
Oh Dear! that's appalling pipe work, should've been in ...
By dgclimatecontrol , 1 day ago
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RE: Jokes and fun posts about heat pumps and renewables
By Morgan , 1 day ago
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RE: Controlling Daikin Altherma via P1P2 and Home Assistant
On the contrary, @toodles, that’s a lot of help. I’d ne...
By Majordennisbloodnok , 1 day ago
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Parsnip, Bacon & Coconut Milk Soup
First let me say, I am only a cook because I am human a...
By Toodles , 2 days ago
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RE: Electricity price predictions
Ben Watts posted on LinkedIn that he had updated this w...
By Judith , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Small update, Emailed and Spoke to Midea UK and they ...
By Burtis , 2 days ago
