Last seen: Jan 8, 2025
Would a radiator at 27 C actually heat a room to 21 C? I tried Stelrad's calculator at a delta T of 6 and 10 C outside temp for my 9m2 study and they...
@porthy, not sure what is going on. Is the water definitely heating up? Is it going cold or just running out, i.e. it is only heating a small amount...
My MCS calculation has an annual figure for space heating and HW energy consumed and required, based on theoretical annual SPFs for both. I can't see ...
@novemberromeo, You really need to know the sort of glass but have a look here: 1.8 is about the minimum available.
They make an educated guess, but in theory they are a lot more educated in heat loss than you! If they have done heat loss calcs can't you ask them w...
You don't really want to be spending that amount of money on the basis of gut instinct, do you... How did you get on with the Stelrad calculator? I...
That's quite a big house. Ours is about half that size and we have the same ASHP. Having said that, if your ASHP is working properly with a COP of 2...
@novemberromeo, My heat loss calculations show a total area of 128 square metres, heat loss of 6,400w, heat loss W/m2 50, space heating requirement ...
That's interesting; same ASHP and MMSP but mine isn't registering energy output, only consumption. I'm trying to get the supplier back to fix it. Do...
If you find out,let me know!. From my limited knowledge, weather compensation is a good thing. When it 13 degrees outside, my flow temps are high 3...
@novemberRomeo, my heating requirements and house size are about the same as your quote A. I'm happy to look at your heat loss calcs and also send yo...
Latest Posts
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RE: What crazy nonsense are inverter limits and why are they imposed?
Never heard of the latter and suspect it may be bs; @tr...
By JamesPa , 55 minutes ago
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I have/had a basic non-hybrid FoxESS inverter. The soft...
By Old_Scientist , 12 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Ooch that's a lot. I replaced my pumped shower with ...
By JamesPa , 12 hours ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 14 hours ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 1 day ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 1 day ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 1 day ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 2 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 3 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 3 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 4 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 4 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 5 days ago
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RE: Does anyone have experience of a smart water meter?
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
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@morgan They have been paired once but it was thought b...
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 1 week ago
