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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
By dgclimatecontrol, 2 weeks ago |
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@temperature_gradient They'll all go to propane by 27. In our experience we find about 3 per year have a leak (out of 200+ we deal with) and about 4 per year that need the system broken into for repai... | ||
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
By DREI, 2 weeks ago |
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What about this: R32 ASHP According to the new EU F-Gas Regulation, the sale of new heat pumps containing R32 refrigerant will be banned from 2027 onwards. I also noticed @Temperature_Gradient mention... | ||
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer
By DREI, 2 weeks ago |
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@cathoderay agreed, and I hope that the Renewable Heating Hub starts coming up in Google searches more and more. It seems to be one of the few places that has the good and the ugly in one place. If Ma... | ||
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RE: Midea ASHP – how to set weather compensation
By JamesPa, 2 weeks ago |
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Something isn't right here, you don't design ufh to work above 45C, you would burn your feet. Normally it's designed for 35C or thereabouts. This may not be a heat pump problem! Who specified the uf... | ||
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RE: Midea ASHP – how to set weather compensation
By cathodeRay, 2 weeks ago |
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@pash44pump - the installers heat loss calculations appear to indicate a total heat loss of just under 9kW, which seems rather on the low side for the property you describe. I have a smallish old leak... | ||
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RE: Electricity price predictions
By Judith, 2 weeks ago |
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the post code lottery is only one thing that is very wrong with our energy system! London should be paying lots more on the SC under present rules but lots of people live there and vote. But on a per... | ||
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RE: Midea ASHP – how to set weather compensation
By pash44pump, 2 weeks ago |
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@cathoderay thanks. House is large (3700+ sq ft) and is a converted barn made of solid brick with internal insulation, which assuming it met building regs and based on photos of the build project (bef... | ||
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RE: Midea ASHP – how to set weather compensation
By cathodeRay, 2 weeks ago |
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They look decidedly skimpy to me. A proper heat loss estimation (which is all they are - see many posts passim) uses a survey of all surface areas and materials, and sums the loss for each at the desi... | ||
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RE: Electricity price predictions
By Diverted.Energy, 2 weeks ago |
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@julianc and over the next 3 to 5yrs, from the remaining 5 Nuclear power plants reducing output from 5yrs ago already by 80% to whats left, 4 more scheduled to close pushing higher Baseline Gas genera... | ||
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RE: Midea ASHP – how to set weather compensation
By JamesPa, 2 weeks ago |
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I don't think you can discount on this basis alone, it would depend on the WC curve settings and the system design For example if you have a secondary pump and buffer tank (do you?) the call for heat ... | ||
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RE: Midea ASHP – how to set weather compensation
By pash44pump, 2 weeks ago |
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@cathoderay I have weather comp running thanks to the excellent explanations on this thread! Attachment : 1625558985803.room-by-room-calculations.pdf Prior to that it wasn't using weather compe... | ||
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RE: How Do I Know When the Hot Water Has Run Out?
By JamesPa, 2 weeks ago |
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@grahamf Personally I would consider bypassing one of the tanks to reduce loss. Of course this may not be straightforward. |
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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...
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RE: Who’s Caved and Switched the Heating On Already?
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Ok. Two schools of thought. The first is to run the ...
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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?
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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...
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RE: Replacing Worcester oil boiler with an ASHP
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A week later, I'm finally picking up this comment... ...
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RE: COP is not the only measure of efficiency
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By Old_Scientist , 4 days ago