
Last seen: Sep 11, 2025
@rossowheels the convention is that there should be a Gate Valve on the cold supply into the Domestic Hot Water Tank.This is sometimes labeled DHW - ...
Can we have some links to those you're considering please @tomasmcguinness ?! I think we're basically going to say "follow the manufacturer's instru...
Yes, I agree with that thinking. There's one other group who would benefit greatly from having storage batteries: those in social housing.So I'm goi...
I think @nazuro1041 needs to note this ! There's a lot of capital outlay to install a storage battery and inverter.There's no certainty of recouping...
Grid Flexibility Services have been offered by DNOs for many years,usually allowing them to cope for a few years pending grid upgrades. I posted som...
I think I should leave James and others to investigate and comment on the various financial approaches for export income. I do know that there are n...
1: If your capital outlay is based on future income from a tariff that can't exist in future, then you're going to be sorely disappointed. The overn...
Lots to think about then! Let's start with this diagram: a: On the left is your existing Consumer Unit (Distribution Board) to which an existing...
What you've written @nazuro1041 provides us with an excellent overview of what you want to achieve, but the Sunsynk inverter doesn't work like that! ...
What you run the cable through will affect its current rating (and hence voltage drop). SWA is intended for direct burial in the ground... the wette...
I would be surprised if the battery chemistry is going to be a major factor in your viability assessment. The major costs are installation time,...
Yes I realise I'm picking this up a week late...... but I don't like the way in which the Spanish Minister, Sara Aagesen, has released this to the pre...
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RE: Is a Valliant Inline 6kW heater a BUS buster?
thanks @toodles and @jamespa (again) - I shall have tha...
By GuydeB , 34 minutes ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 hours 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 hours 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 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 6 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 6 hours 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 , 6 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 , 12 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 , 1 day 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 , 1 day 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 , 2 days 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