Last seen: Nov 8, 2025
That depends on the circumstance and your assertion is not necessarily true. If for example if oversizing leads you to going from one heat pump to 2,...
Sure, its a 200sq m 1930s house with (originally) solid walls, a couple of modest modern extensions and miscellaneous fabric upgrades such as partial ...
In 3 years on this forum I have seen very, very few cases indeed of under sizing of the type you are describing. In contrast there have b...
Welcome. Do feel free to start a new thread about your installation with any questions. if you are at all unsure or anything looks or feels wrong wi...
Agree...but worse still is a human. Many hackers gain entry initially by exploiting the weakness of human beings. Eliminate those and we would be mu...
I'm not sure where you are getting your design information from, but its incorrect. The standard design temperatures, as specified in MIS3005(D), are...
Doing the plot from heat pump output gives 6.5-7kW also. Depends on how cold house gets. Heat loss is dependent on house temperature Vs outside not...
You are spot on. I don't know TBH as I don't have them, they weren't available when my heat pump was fitted. They look that way though!
It's not necessary to be precise, it's only necessary to be precise enough, which I personally define as sufficiently good to be reasonably certain a...
I agree with all that @editor says above but particularly this. By far your best guarantee is peer review through this forum. If you are willing to...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
It has it's uses and there is no way I could have set t...
By benson , 6 hours ago
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Samsung Gen6 and Havenwise ........
I sourced the Wi-Fi unit (City Plumbing - £122 with 15%...
By Lenny , 7 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Definitely. 8C DT is higher than the default design DT...
By JamesPa , 9 hours ago
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@jamespa Thanks again for your reassurance. Rob
By Ubert767 , 14 hours ago
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RE: Oil Boiler & Heat Pump Hybrid System
Thanks for the suggestion, but farmhouse is grade 2 lis...
By paultheheating , 16 hours ago
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RE: My DIY Heat Pump installation
This is very kind. However software is not really my ...
By Polar bear , 21 hours 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 , 1 day ago
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RE: Is Your House Warmer Upstairs Than Downstairs?
Why arent you expecting them to make much difference. ...
By JamesPa , 1 day ago
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@toodles sounds good. I started with cosy but then plug...
By Eliuccio , 1 day 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 , 1 day 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 , 2 days 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 , 2 days ago
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Mitsubishi Ecodan FTC7 Legionella date set
I can set the number of days between Legionella cycles ...
By DRB01 , 2 days 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 , 2 days 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 , 2 days 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 , 2 days 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 , 3 days 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 , 3 days 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 , 3 days ago
