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Last seen: Jan 29, 2026
@jamespa I should have mentioned my flow temperature is fixed at 35C which you can see in the photo. I quite agree about contraflow but have failed...
I happen to have a Heat Saviour (HS)in my system!After nearly 4 years I have quite a lot of daily data on both electric usage and outside temperature....
The plate heat exchanger is made in Poland. Apparently they specified it that way, but maybe for other applications with higher temperatures. The inst...
@sunandair @jamespa My installer came to fit a more appropriate size of secondary circulation pump this afternoon (no charge, but he took the industri...
We will have to see. Sometimes it is better to start with the easy stuff and get that right. The technology then gets good press and the installer bas...
I’ve had another priority: our Mozart Requiem and Coronation Mass concert to focus on - lots of musical dynamics! Tomorrow the installer is supposed ...
Unfortunately it is next to impossible to modulate efficiently over the entire range of outputs. However, I agree that unnecessary oversizing is not g...
I find John Cantor’s video most useful for explaining efficient running of a heat pump. He stresses that cycling is not necessarily a bad thing a...
I object to you taking everything out of context. I certainly won’t waste time explaining anything to you. Please don’t quote me in misleading ways. ...
@fazel @alan-m yes setting the WC lower does make it run at a lower target temperature in WC mode. If I try to set it lower than 35c manually it doesn...
I show the temperature cycles, you ask about the electric, I say the electric cycles like the temperature, you continue….it’s all simple.. watch John ...
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RE: Indevolt Batteries UK Support & Info Thread
Thanks @editor , @indevolt-uk Subject to any comments ...
By JamesPa , 4 hours ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 5 hours ago
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 8 hours ago
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 9 hours ago
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 10 hours ago
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 10 hours ago
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 13 hours ago
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RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 13 hours ago
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Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 19 hours ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 20 hours ago
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As I was reading this article Mars, I was thinking that...
By Toodles , 2 days ago
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RE: Tell us about your Solar (PV) setup
Installed in May 2011: 16*Sharp 245 W monocrystalline p...
By txmartyn , 2 days ago
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RE: Say hello and introduce yourself
That doesn't sound 'right' to me. The national Smart ...
By Transparent , 3 days ago
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RE: Growatt battery disconnected
I doubt this will happen, but I will try and suggest it...
By Eliuccio , 3 days ago
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Understood. That's why I decided from the outset on a ...
By JamesPa , 3 days ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
On the litigation, I would not go there and definitely ...
By Batpred , 3 days ago
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RE: Recommended home battery inverters + regulatory matters - help requested
I suppose if your pv inverter packs up, you have a plan...
By Batpred , 4 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Firstly check you are using sound power not sound press...
By JamesPa , 4 days ago
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That’s the solar up and running, I don’t think it’s the...
By David999 , 4 days ago
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RE: Seeking ideas / information / commiseration - Pure Drive
I agree with @colinc that you can reuse some of it. A s...
By Batpred , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Im trying me best to ignore orangeman, I figur...
By Papahuhu , 4 days ago
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@toodles That’s way better per kWp performance than our...
By Papahuhu , 5 days ago


