Last seen: Jul 9, 2025
@gordonville Both are good units, the Valiant controller is very complicated whilst the Nibe unit is much easier to operate and has a built-in online ...
@batalto Exactly, the nest has no control over the water temperature and there lies the problem. It is like the jester controlling the kingdom. 38 deg...
@ceebee, I know this sounds against all common sense, but I can assure you it works, turn all your radiators in your common areas up full, and only tu...
@derek-m, you are incorrect about oversizing units, most units are inverter and modulate their output, their most efficient point is at approximately ...
@stevebrockie3, If your installers are MCS certified, they have to do a room, by room calculation that takes your current build, insulation levels, ve...
@batalto, You are mistaken, if you are using a Hive thermostat, you do not have modulating weather compensation, you may have weather compensation ena...
@batalto, Unfortunately you will find your actual COP (or SCOP) will be very different and significantly lower than your predicted level, there are 2 ...
Hi All I am an installer who has been installing both ground and air source units for over 20 years. I am not here to sell, I am here to help and di...
Latest Posts
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RE: BUS Grant, removal of all other heat sources
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RE: Who's your electricity provider and what's your tariff?
As you can probably guess I’ve not been persuing TOU ta...
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@jamespa Good idea, it will have to be fast, I can get ...
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RE: Who has a V2G EV installation
As has been discussed on other threads, trying to justi...
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Thanks @mikeh. Then I will also go back to non smart ta...
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RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
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RE: Ecodan consuming 100kwh per day in new build!!!
It does indeed look like that, @skyefarmer. There is ...
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RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
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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...
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
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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 , 5 days ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
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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...
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
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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...
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
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