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Last seen: Aug 5, 2026
I didn’t take one out and surprisingly Boxt didn’t try to sell me one. I’m sure they will correct that oversight. The Vaillant guarantee says: Dur...
@chansug for me the survey was done by the engineer that did the installation, but I think that is not a given and the install might be done by a diff...
From my experience I’ve learned the following: the heat loss calculation is definitly an estimate. For starters the u values of the materials and t...
you can play around with the answers to get to the right value. Like you I already knew the heat loss so I changed the build year until I got the righ...
You might want to give Boxt.co.uk a try. At least for me they had octopus level price, but were able to proceed quite quickly. They also give an upfro...
Maybe the analogy is imagining that cars could just drive faster through those single carriage section. All that acceleration and extra friction would...
My answers to your initial questions: 1. They are all close enough and match your usage figure to be right. I’d say the not so local firm is wrong t...
it’s because there are 10kwh hiding in every Liter of oil.
Hi, I think partly the problem is the immediate feedback that the electricity meter provides, versus the oil boiler where (I presume) you just get the...
No answers here, just some observations. Your flow temperature is reasonably high, which maybe indicates slightly smallish radiators and would give ...
I’ve got: 5kW heat pump, but only 2.5kW heat loss, so max consumption of 2.5/3=0.75kW from the heat pump. 9.5kWh battery. Solar doesn’t produce a...
I don’t think there is a problem. Given a water saving shower head and a 5 minute shower, that’s: 4l/min x 5min x 5 = 100l. So even the smallest 150...
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Degrees of Separation
Latest Posts
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 3 hours ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 3 hours ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hi all, I'm new to this game having spent the last 25...
By gz00 , 5 hours ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 9 hours ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 14 hours ago
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@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 1 day ago
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 1 day ago
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@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 2 days ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 2 days ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 3 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 4 days ago
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