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Last seen: Oct 4, 2026
@batpred The EPS output can be tricky to do to current regs. The old "rcd socket for type 2 only!" doesn't really cut it anymore.
A2A is really good. Simple. Cheap. Great success in other countries. Use it 80% of the year then kick on your alternative source. Even a single casset...
G99 needed for ac coupled battery. DNO will assume it can export unless it is type tested G100 and installed how the DNO likes to be export proof. Lim...
@jamespa/p> Run starts at 11. It didn't do a defrost the blip in the middle is me canceling a HW call.
@jamespa it seems to run at max 27L/min until 45C and then ramps down to 14L/min at 60C then stays there at 60C 14L/min. I was absolutely cooking so...
I set the cosy 9 to 70C fixed flow today and let it have at it. Super interesting, when it reached 60C flow it began widening dT instead of...
@agentgeorge mine does switch back
@andrewj Certainly mine cycles alot below 36C, it seems "happier" with the weather compensated minimum flow temperature at 36ºC or above. I think the ...
It definitely doesn't have a regular weather curve control algorithm. Unless you "force" it too by setting a room target very high.
@jamespa the insides are very well done. High quality compressor and inverter. Such a large monolithic case is also an achievement in itself. Pe...
@jamespa I would guess it's a deliberate choice due the compressor selection, it's minimum stable compression ratio is probably close when at 34C. A...
@agentgeorge ESP32 since its what I had in the drawer
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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


