Last seen: Sep 19, 2024
@technogeek If your hot water cylinder has an immersion heater, you could try the same test using direct electric at a known COP of 1. I can't rem...
@iantelescope When trying to ascertain what is actually happening within a system, I often find it is useful to put values into the equations to see...
@jamespa I think that I remember reading that in much colder climes the preference would be for split systems rather than mono, or possibly GSHP's.
How warm are the radiators and do they remain warm? Are the radiators warm before the system changes to DHW heating? What is the temperature setting...
When water is open to the atmosphere the various gases within the atmosphere become dissolved into the water in a ratio of 35:1. Since the normal atmo...
If you don't have a copy of the installation manual, I would suggest that you Google the model number and download a copy.
I believe the major cause of magnetite (black ink) is as described below:- Magnetite, commonly referred to as sludge, is the black substance compris...
Don't worry, I obviously knew what you meant, but I still think it is important that the correct terminology is used so that there is little room for ...
Welcome to the forum. According to the wiring diagram shown on page 49 of the attached document, it would appear that the temperature sensor should ...
Please don't talk about AC Batteries - there is no such thing. The article included concerns a grid size solar PV and Battery Storage system, in a d...
@cookie197 Hi Cookie, welcome to the forum. It would be interesting to know about the grant system in Wales in comparison to the £5000 grant now b...
@sobo As I think has already been pointed out, heat pumps are noisier when they are working harder (producing hotter water or during the defrost cyc...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@downfield It is disappointing to hear of that lack of ...
By Abernyte , 32 minutes ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
@scalextrix Absobloominglutely! Toodles.
By Toodles , 32 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Central heating still switched off and will be until Oc...
By AllyFish , 5 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Please read to the very end of this post, I shift my po...
By JamesPa , 5 hours 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 , 5 hours ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 20 hours 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 , 21 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 23 hours ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 1 day ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 2 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 2 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago