
Last seen: Sep 11, 2025
I agree. The crunch point is that it must impossible for the inverter to export to the grid. Simply installing an inverter and configuring it not to e...
If others are considering building a battery out of the raw LiFePO4 cells, then there will need to be a lot more technical discussion here on this top...
Sure. And I'm aware that those terms are used in different ways by equipment manufacturers. In this context I'm referring to the heat-pump being pow...
And Transparent has to report that the creation of this list got sidelined. I've been distracted by the rapidly rising cost of energy and the urgent...
I've discussed this situation with the Western Power Distribution engineers who assess the grid-connection applications made by us consumers. They d...
Thanks @Jeff and yes I do have a VW ID3. But earlier you wrote: My ID3 predates that capability. Perhaps I need to trade-up because I like the ide...
Heat pumps take a lot of current when starting. I checked the spec of a mid-range 9kW GSHP a couple of weeks ago and it draws 29A when starting (using...
Thanks @yachtsman for that document. So you will be setting up a few charging/usage profiles using a web interface to a server operated by Solar Edg...
Every hybrid inverter already has a mechanism for connecting and disconnecting to the grid, and handling the required synchronisation. The reasons t...
Yes I agree @derek-m . They're using an Automatic Transfer Switch on grid failure. I think that's unnecessary, and the switch-over transient might...
Similar thinking @derek-m but different approach. Theirs operates like a UPS. They have an Automatic Transfer Switch that feeds power from the stora...
I don't think you're entirely 'wrong' about the status of the inverter @yachtsman It all depends what is meant by hybrid. The storage battery is D...
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RE: Midea ASHP – how to set weather compensation
It's totally dependent on the lock shield, some are ter...
By JamesPa , 41 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Vat free applies to supply and install only no DIY. &...
By JamesPa , 58 minutes ago
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RE: Humming sound on new install.
One other thing, I haven’t balanced the rads yet so cur...
By AdamK , 8 hours ago
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Funny story Graham, when I started looking to ...
By DREI , 8 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 12 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 , 14 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 , 15 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 , 16 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 , 17 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 , 17 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 , 23 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 , 2 days 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 , 3 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 , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 3 days ago