Last seen: Oct 27, 2025
The compressor is brazed to copper pipes - brazing is basically much higher temperature soldering, joining copper pipes together with a dissimilar met...
@transparent We have a 100A fuse now, and 25mm^2 tails. It was originally a 60A fuse. I think the cable into our property was installed during ho...
@transparent Our area is leafy suburbs, all originally 4 bed 1960s build houses with initially 60A single phase underground cables. I’m afraid I ...
@catherinehh Is weather compensation active? While you require on average a lower heating power when it is say 10C outdoors, without weather compe...
@transparent What I asked for, and what I hope they think is happening too, is that we can consume whatever we like up to 100A, and that the overal...
We have just had permission to fit an 8kW Sunsynk hybrid inverter from UKPN. We have a single phase supply, 100A fuse, existing 4kWp PV with existin...
There’s usually a survey, to check if the boiler/heating works, but it’s written as ‘can’t check’ unless it’s actually running when there’s a flying v...
iBoost (and other diverters) are tricky to make work well with home batteries. If you have a home battery, you are likely to use a smart tariff - ...
@iancalderbank The code is entirely running in a loop; it measures flow rates, temperatures, then electicity meter pulses, then does it again. The...
@squeakysim The monitoring is all my own 😎 Two off +/-0.1C temperature sensors, each in copper "pockets", and a flow meter, and a little embedded...
I agree that it's unlikely that with the present electricity/gas cost ratio that heatpumps are "financial rational", which is the premise of the link....
Mixergy tanks I believe work by forcing statification - hot water is pushed into the top of the tank, and there is a clear hot / cold divide line. In...
Latest Posts
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RE: My DIY Heat Pump installation
For your DIY install, what did you do about the whole b...
By Temperature_Gradient , 24 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Hi again all, Just to update on this... I've now ad...
By benson , 1 hour ago
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RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.
thanks, heatpunk looks great, being able to do the calc...
By giryan , 2 hours ago
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RE: Is Your House Warmer Upstairs Than Downstairs?
Why arent you expecting them to make much difference. ...
By JamesPa , 2 hours ago
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RE: Oil Boiler & Heat Pump Hybrid System
@paultheheating I wonder if you are being a bit pessimi...
By GrahamF , 2 hours ago
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@toodles sounds good. I started with cosy but then plug...
By Eliuccio , 2 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
It has been just over a year since we changed over to a...
By npru , 4 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
He showed me a photo of 5-10l/min. However a...
By Crimson , 5 hours ago
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RE: Finding a Thermostatic Shower Valve That Works with Heat Pump Systems
@morgan I should just have written ‘Mea Culpa’ shouldn’...
By Toodles , 6 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
'We learn from history that we do not learn from histor...
By Lawrence Leask FInstR , 7 hours ago
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Mitsubishi Ecodan FTC7 Legionella date set
I can set the number of days between Legionella cycles ...
By DRB01 , 11 hours ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard Yes, I like the extra facilities that NetZe...
By Toodles , 13 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk downstairs rads are less prone to airlocks, you ...
By AgentGeorge , 14 hours ago
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RE: My Octopus Cosy 6 Heat Pump Journey: From Quote to Completion
@editor thanks for highlighting my name. Yes I did get ...
By Chansug , 23 hours ago
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RE: balancing radiators with a mixture of different size pipework and a few undersize rads.
@editor Thanks for your input Mars. No I think the comm...
By baxtDave , 1 day ago
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RE: Rate the quality of your heat pump design and installation
We’re looking to expand our list of recommended list of...
By Mars , 1 day ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Along with the right workers, they can’t b...
By Toodles , 1 day ago
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RE: Midea ASHP – how to set weather compensation
I have just looked at my heat pump 'long interval' (27 ...
By cathodeRay , 1 day ago
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RE: UFH downstairs and radiators upstairs balancing question
@toodles sorry, my bad. Its a 6 port LLH. ...
By davidnolan22 , 1 day ago
