Last seen: Oct 4, 2025
@majordennisbloodnok I read the document that you shared: "Get_to_know_your_Cosy-20.2-internal". It looks as though it automatically adjusts the wea...
@andrewj this is an interesting discussion. I am curious to understand why you are asking the question. You already have a heat pump, so surely you ...
This really depends on your heat loss and emitters. My installer and I seem to have been too pessimistic about the heat loss and maybe overshot on ra...
@heacol thanks for explaining. We have FRVs on most radiators. We have TRVs in the bedrooms instead, but they are all wide open. The temperature i...
@judith Yes I agree. They are extremely expensive. I suspect they sell very few of them, so they don’t have the economies of scale of standard rad...
@heacol this may be a silly question, but why would you need a second pump? The water pump in my Grant Aerona 290 15.5kW is happily pumping the wate...
@editor Yes, we all suffer from the Dunning-Kruger effect. It is so easy to think we understand something, when we don't - especially when it looks...
What an interesting and ambitious project. You certainly have built a big house - 650m2 is enormous! Here are some pointers: I wonder why you ...
@old_scientist 3. Some pipe work is always hidden, but some is always visible too. The pipes connected to the old boiler, water pu...
@editor I found this Wikipedia article on Noel Burch's Four Stages of Competence model. It appears that your installer may be stuck at the "Unc...
@jamespa I find this rather strange. We have had three gas boiler systems installed. I also know about my parents' and children's gas boiler systems...
@editor this is exciting! It will be great to hear how things go.
Latest Posts
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Thank you for the calculation I'll add some first ...
By Old_Scientist , 52 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thank you, that is very kind of you to say so! Yes...
By cathodeRay , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk not all 7kW Vaillants have a noise issue. Ours i...
By Judith , 4 hours ago
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@old_scientist Super. Thanks for all that info. My day ...
By bontwoody , 9 hours ago
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Very funny @transparent. /p>
By JamesPa , 10 hours ago
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RE: Renewables & Heat Pumps in the News
Thanks Lucia. I'll set aside some time to go through th...
By Transparent , 1 day ago
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RE: How to Understand Wiring Up a Heat Pump
@renewables345 you say you are 18 and I’m assuming you ...
By Judith , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
Seems to be settling better now I'll leave it alone
By Jancold , 1 day ago
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RE: Bosch CS5800i 5kW - Experience So Far
We do like the exhaust air heat pump as a centralised M...
By Steelbadger , 2 days ago
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RE: Solar Thermal DHW and ASHP
@kenbone how is your battery holding up Ken? Still goin...
By Mars , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Old Samsung R410a unit 9kw, modbused controlled, let Ha...
By KenBone , 2 days ago
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RE: Replacement Inverter for old FIT system
@bontwoody I have a single string 3kW solar AC inverter...
By Old_Scientist , 2 days ago
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Octopus removed our gas meter for free a couple of year...
By robl , 2 days ago
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RE: Why Air Release Valves and Deaerators are Non-Negotiable
I think that's a key point. An air-release valve shou...
By Transparent , 2 days ago
