Last seen: Jul 7, 2025
I too understand reflection factors from a mW communications background and their use is completely inappropriate for water flow along pipes. Keeping ...
This is a more technical description by axleand I’m sure I’ve read a comprehensive description on Linked in without as much gush(easy to have less gus...
Perhaps I’ve missed key points in this discussion but why would the OIT-IAT vary with how hard the pump is working in the general case? I can unders...
I started off thinking of a battery need as to provide all 24hrs of electricity usage. But that not the right approach for us and since the battery al...
We’re on Vaillant’s 0.55 curve which means 42C at -2C and around 30C at an OAT of 15C. The pump cycles about once an hour once it’s warmed up the ho...
This is a better article to understand the carbon cost of steel
Neat analysis! Thanks
Plastic is a wonderful material used in the right products. I believe that I’ve read that plastic buckets have saved countless lives in Africa and oth...
How green is off-peak electricity is a relevant aspect because we can all choose an option which will help the planet even if it can’t be justified on...
The best way to handle multiple thermistors/thermocouples! Thermostats indeed any temperature sensor is to do a “cluster test”. Basically you put them...
@lucia is it possible that your DHW is on for a constant time rather than to reach a set temperature?Otherwise it doesn’t make sense. On set-back as...
This seems excellent to me since I get so annoyed with current building regs of two panels on a south facing roof which could take 10. Or two on the n...
Latest Posts
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RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
By rossowheels , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles Indeed. On a tariff such as IOF where import a...
By Old_Scientist , 4 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
It does indeed look like that, @skyefarmer. There is ...
By Majordennisbloodnok , 11 hours ago
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RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
By Lucia , 1 day ago
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@editor @bart Hi, I can see a few problems with your in...
By Brendon Uys , 1 day ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
By Scalextrix , 1 day ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 2 days ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 3 days ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 3 days ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 3 days ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 3 days ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 4 days ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 4 days ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 4 days ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 5 days ago
