
Last seen: Sep 9, 2025
There are some very effective and innovative success stories to tackle this problem.A good example is the trial partnership between Devon County Counc...
The raw data was supplied to me by the most senior engineering contact I have in NGED. He was responding to a point I'd made that losses were confin...
Ah... well that seems to prove the case. In discussions with senior engineering managers at NGED, they have cited harmonics from heat-pump installat...
Ah... that's not how I thought a (domestic-sized) 240v AC pump was operated using PWM. I expected the basic 50Hz to still be applied, but that it wo...
Why? Please expand on this. Yes I understand that an (AC mains) electric pump requires a certain amount of electricity to get it started and then ...
If by 'meter' you mean the household Smart Meter or an MCS-approved meter on the mains-output side of an inverter, then there's no problem with those ...
I doubt those 'Victron' bus bars are different to scores of others available with current capacities up to 500A Personally, I've decided to ma...
MC4 connect/disconnect tools can be bought cheaply online.But beware that the cheaper ones are likely to be sent direct from China, with a resulting d...
Current limiting in what part of the system? In the BMS unit of the Mason box whose battery has the lower capacity? My experimentation suggests th...
You're quite right to ask for clarification, @bretix My comment about a second device being installed was made in response to what @robl had just po...
I tend to agree. I have been doing a lot of experimentation with busbars coupling batteries and inverters over the past year.My approach also incorp...
To identify what is going wrong with so many of our heat-pump installations, we need the range of approaches and analysis which is occurring in this t...
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RE: Who’s Caved and Switched the Heating On Already?
I have automated this decision. I have a heat pump with...
By jamespetts , 36 minutes ago
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RE: COP is not the only measure of efficiency
Can I clarify - is the LSV the manual balancing valve? ...
By jamespetts , 43 minutes ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Another result and another very happy service customer:...
By ASHP-BOBBA , 2 hours 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 hours 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 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 3 hours 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 , 7 hours ago
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RE: Renewables & Heat Pumps in the News
@mike-patrick Well, if Europe is stalling partly due to...
By Toodles , 7 hours 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 , 8 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 11 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 11 hours 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 , 12 hours 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 , 1 day 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 , 1 day 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 , 2 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago