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Last seen: Jan 22, 2026
@cathoderay Thanks for the reply and a useful sense check! I suppose the real evidence base for performance comes from users. I've been trying to do a...
I thought I'd post an update regarding the process of choosing a system and installer. I'm now in contact with 4 different organisations, and honestly...
@transparent Thanks for the info and encouragement to document our UFH work. It's a little way off, but I'll be sure to do this, especially with regar...
@ashp-bobba Good advice - thank you. My desire to spec the system for the house as it will be in ~12 months time and then retrospectively optimise the...
@transparent Oh, yes, 150 mm! I was pleased with Wunda. The components are of good quality and the design they did (for free ahead of purchase) was...
@majordennisbloodnok Thanks for the reply. Yes, I'm definitely getting that sense in relation to the Aira system. I'm somebody that is hands on and wo...
@jamespa Yes, as I mentioned, we are looking forward to moving away from that setup and having more consistency all being well. I've definitely gleane...
Thanks for the reply! Yes, I installed the UFH in our extension, including a living room and study, and would like to do so again. I used a Wunda...
Hi all, my name is Julian, and I’m new to the forum. We were planning to make the ASHP switch at some point in the not too distant future, although ou...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
By AgentGeorge , 1 minute ago
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RE: Setback savings - fact or fiction?
I too agree with what you say, and am grateful to you f...
By cathodeRay , 14 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 15 hours ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 15 hours ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 18 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 21 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 2 days ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 2 days ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 2 days ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 2 days ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 2 days ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 2 days ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 2 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 2 days ago
