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Last seen: Apr 8, 2025
My cylinder, buffer tank and the hot water circulating pump are in a room underneath my bedroom (which has become noticeably warmer). There was audibl...
That happened with my installation. Whoever had been sent to the plumbing suppliers to buy various parts got the wrong type of valve. Once the system ...
I've done a quick analysis of data collected by a pair of Elitech RC5+ temperature loggers for the period 20 - 22 January to look for defrosting cycle...
I very rarely hear my 7kW Arotherm+ but have twice heard it roar at the end of the defrosting cycle when it's blown out a cloud of fog. It's fitted un...
@Ajbevster If the OAT is reading 10C high then it might be possible to offset this by setting the target house temperature as 10C high until the OAT s...
@davidm06 I think 14C is better than 10C as it keeps a bit more heat in the house. I recall, without checking the documentation, that Vaillant defaul...
At a house temperature of 10C there won't be much thermal energy in the circulating water to make defrosting quick and easy. I wonder if the heat pump...
@jamespa: You might want to go easy on the abbreviations when someone is trying to understand how their heat pump works and may end up wondering why a...
@transparent Amazon, for some reason, isn't cooperating with me today and 2 of the 3 links I have posted aren't working properly. Search Amazon for "E...
@Alfapat: The inverter should provide the capability to ramp up the compressor speed but I notice that there is almost a factor of two difference betw...
@Richard24738 Thanks for the clarification. I await your conclusion.
Your system is worse than normal for something that has been very badly configured! My first thought is that you should turn up the radiator temperatu...
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Degrees of Separation
Latest Posts
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
That’s certainly a popular and widely held stance, but ...
By Majordennisbloodnok , 2 hours ago
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RE: Adventures in heat loss calculations
@rob-of-york In my experience, energy used to supply DH...
By Toodles , 4 hours ago
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 5 hours ago
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RE: Why don't people choose heat pumps?
Absolutely nothing in the regs prevents this, nor does ...
By JamesPa , 14 hours ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 14 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 1 day ago
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RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 1 day ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 1 day ago
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RE: DIY powerflushing tutorial
This is what bacterial growth in UFH loops looks like. ...
By Pirate Rich , 1 day ago
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I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 2 days ago
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RE: Heat Geek installations: share your experiences
@l8again fwiw my experience (Valiant but not with heat ...
By JamesPa , 3 days ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 4 days ago
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 4 days 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 , 5 days ago
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