Last seen: May 27, 2025
@bontwoody and @william1066 No problem if you are happy with an SCOP of 3 instead of 5 or 6.
@bontwoody I agree, but the fundamentals of design and sizing for best performance requires experience and knowledge. A DIY installation, may work bet...
@crimson You do not stand a chance of getting any reasonable performance with your current system design, regardless of heat pump installed. You have ...
@alan22 PM me and I will see what I can do, a lot of information needs to be gathered for a satisfactory outcome, it is not as simple as just throwing...
@crimson The fault is at Grants and MCS's door, the installer was, I presume, trained by them, I think you have every right to legally demand that you...
@windyinsancreed At least 1.2 to 1.5 meters and straight pipes at least 1meter apart, the deeper they are, the less effect the weather has and the bet...
@crimson Hi, Been dragged in by @editor 😀 I have not had time to read the whole thread, but, from what I can see, it is a typical Grant d...
No unit should be using it's immersion element at this ambient temperature. It is only permitted to come on after the design duty point, which should ...
@marzipan71 You may befit from replacing the valve, it will depend on the current flow rate and system design. If you have a buffer tank, it will prob...
The ground loop pump must run when the heating is on, it may be a connection problem or the board has failed. You can as a temporary measure try conne...
It is quite possible to install a high temperature heat pump, and you can run it at high temperatures if you want to double your heating bill. However...
Latest Posts
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RE: Location of hot water isolation valve on cylinder
@rossowheels if you isolate the water supply in it will...
By ASHP-BOBBA , 6 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
From what you say about the radiators upstairs it does ...
By JamesPa , 12 hours ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer pleased you found it!
By JamesPa , 12 hours ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 14 hours ago
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@heacol, if you're around, can you please provide some ...
By Mars , 17 hours ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 17 hours ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 1 day ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 1 day ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 2 days ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 2 days ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 2 days ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 3 days ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 3 days ago
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If you are thinking of heating on the immersion conside...
By JamesPa , 4 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness, I think your best bet would be using ...
By Aventus Eco , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles all depends on asking the right questions! And...
By Tim441 , 4 days ago
