Last seen: Sep 14, 2025
@derek-m Daiken capacity charts
@jamespa If flow temperature was the only variable, you may have a point, however, there are tens if not many hundreds of variables that need to be ta...
I will give you a clue and only 1 of many reasons, for every 1 Degree you move the flow temperature up from source (outside temperature), you add betw...
@JamesPa Do you tell your surgeon where to cut? I think not, however when things go wrong, and if they did listen to you, they would still get the bla...
You are correct, the house was 100% under floor heating so no emitter changes, just redesigned and modified for correct operation. For the customer, ...
Please do not believe any SCOP figures, they are calculated laboratory figures and bear absolutely no resemblance to real life whatsoever. If you have...
@gunboatdiplomat The £2-3000.00 extra cost could very easily be eaten up in a few months, Last year I repaired a system with an average winter spend o...
I am not sure you realise the implication of design compromise. It can quite easily double your current heating bill, I have seen it many times. Would...
@lucia All BG installations are now installed using my open zome, high performing designs. All installations, weather installed by subcontractors, or ...
Caution everyone, this manual stipulates the installation of a buffer tank, so, the promised guaranty of supplying sufficient heat, may come at a very...
@ecobaker probably not
Yes, just make sure you have the correct flow rate at all times.
Latest Posts
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 1 hour ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I doubt it, many 'improvements' are quite the opposite....
By cathodeRay , 3 hours ago
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RE: Electricity price predictions
@julianc Expressed as a flow diagram, I suspect one wou...
By Toodles , 4 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@jamespa The dormitories at my boarding school (in Exet...
By Toodles , 4 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 20 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 21 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 , 23 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 , 24 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 , 1 day 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 , 1 day 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 , 3 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 , 4 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 , 4 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
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 5 days ago
