Last seen: Nov 5, 2025
Indoor air temperature ie room temperature Outdoor air temperature Flow temperature ie temperature of water exiting heat pump. The hea...
@crimson I asked Eskimo about their correction factors and received the pretty convincing argument reproduced below. These would appear to have a ...
There are two definitions of sufficient volume. The first is sufficient for defrost which is the min system volume manufacturers quite, typically aro...
Yes but... all you will get is another exercise in GIGO theory with the same variability as the original. It then becomes the view if one installer v...
Ok so that seems to be the key point namely only mcs can certify installations. Here is an extract from the text of the government response which ap...
Er that isn't quite true or at least not what the legislation says. The legislation specifically calls up conformance to mcs020a as a requirement fo...
That's a helpful reply thanks. You may be able to rule out an undersized heat pump by turning up the LWT when it's coldest. If that fixes it then un...
I agree, but at the same time it's encumbant on homeowners to keep documentation supplied in case of a later claim. I'm not sure it's right to expect...
Latest Posts
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RE: Midea ASHP – how to set weather compensation
Thanks, that is exactly what I was hoping for (and apol...
By cathodeRay , 9 minutes ago
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RE: Electricity price predictions
I'm not disputing that our public sector could in princ...
By JamesPa , 25 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
There is no such thing as a silly question! @toodles ...
By JamesPa , 59 minutes ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
They're here today, he brought both: Ferno...
By Crimson , 1 hour ago
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RE: UFH downstairs and radiators upstairs balancing question
Isn't this a great example of KISS!
By JamesPa , 1 hour ago
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RE: Who has a V2G EV installation
Would that be a Chint RCD perhaps? Have a look at thi...
By Transparent , 2 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
11.2kW Ecodan Manufacturer: Misubishi Model: PUZ-WM...
By DRB01 , 15 hours ago
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RE: Homely asking about Solar Panels.
@majordennisbloodnok I will report back with any develo...
By Toodles , 17 hours ago
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RE: Mediation with RECC, what's your experience?
@editor Thank you, I really appreciate it! I've made ...
By TreeWizard , 19 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Are you able to post a photo of that 180-litre cylinder...
By Transparent , 21 hours ago
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Renewable heating and renewable energy are very jargon ...
By Majordennisbloodnok , 22 hours ago
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Agreed. It doesn't take all that much maintenance to ke...
By Majordennisbloodnok , 23 hours ago
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RE: Oil Boiler & Heat Pump Hybrid System
OK. Got it. As a fellow rural West Country resident, ...
By Transparent , 1 day ago
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RE: My DIY Heat Pump installation
@pollar-bear Top job, I installed my own too and even t...
By bontwoody , 1 day ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Ok so that seems to be the key point namely only mcs ca...
By JamesPa , 2 days ago
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RE: One flow valve appears to be duff
You might want to consider the following common faults:...
By IaAck , 2 days ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
We are on the Intelligent Octopus Go tariff. We instal...
By GrahamF , 2 days ago
