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Last seen: Oct 2, 2026
@jamespa I chose Octopus as they will be in business far longer than any individual company, their heat pump uses R290, which is supposed to be state ...
Section 7 states the Cosy 6 is 5.63kW and can achieve COP of 4.29
reading section 3.6.1A and B the instructions have an error in the description of the MCB and RCBO for the cosy6, and the Immersion/hub The labels...
@jamespa just read the manual you linked to. very interesting section 3.3.2 restrictive requirements if microbore present. None of this was advised to...
@jamespa I have cosy6 and UFH, the maximum flow winter temp is set at 50 on mine, checking the UFH manifold stats today showed a steady input of 37, r...
How do those on low income afford to replace their gas boiler at around £2500-3000; that’s what I was quoted to replace my troublesome uninsurable 16y...
With every change there will be winners and losers, think of all the pensioners who are paying the subsidy on there electric bill to pay for those who...
@swwils what tool are you using to monitor the bus
@pwils on the cosy hub, there’s a button on the top, press and hold it for several seconds, the cosy white light will flash blue and you can link your...
@andrewj I hope members enjoyed reading my tale of the challenge to get what I wanted and not what the installer tried to convince me was a finishe...
@andrewj when I referred to the HP running constantly, I didn’t mean the pump was running 24h a day, I meant the system was on 24/7, with no setbacks ...
I’ve just got the link for this thread from @editor, here’s my experience with the cosy6. firstly it’s not 6kW, only 5.6kW. That nearly sank my inst...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
Interesting meeting. Attempting to at least partially a...
By Rob of York , 6 minutes ago
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RE: Why don't people choose heat pumps?
An excellent concise exposition of loss aversion: a 4% ...
By cathodeRay , 20 minutes ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Agree but remember to retain your isp router as they wi...
By JamesPa , 1 hour ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders Reluctantly I think i agree with @r...
By JamesPa , 1 hour ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 10 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 10 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 14 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 17 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 4 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 6 days ago
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