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: Heat Pump Damage on install - useable or dealbreaker?
They have already been dishonest by not telling you abo...
By GrahamF , 8 hours ago
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Testing new controls/monitoring for Midea Clone ASHP
Hi all, I thought it might be of interest to others i...
By benson , 8 hours ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 9 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 11 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 11 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 12 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 14 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 15 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 16 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 17 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 4 days ago
