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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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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
Only because we have all tacitly accepted that paying 1...
By JamesPa , 14 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 8 hours ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 14 hours ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 15 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 21 hours ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 23 hours ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 1 day ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 1 day ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 3 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 4 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 5 days ago
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