
Last seen: Sep 9, 2025
No. But keep asking this question until we answer it satisfactorily!That's what a forum is for! On this occasion you've used two different units. ...
Ah... so based on that response from @jamespa I'm assuming the ACH which @matwin was enquiring about is Air Changes per Hour. Perhaps I was thinking...
Hang on. Let me just have a look through my library of views.... It's Friday afternoon, and my more serious views have already been taken this week....
I love it ! That's an excellent question for the Welcome topic! The maths works the other way around from what you suppose.The kW figure for the h...
I think that's too low. I believe the British DNO's automatic Load Shedding commences at 49Hz.In August 2019, it was already occurring by the time t...
My own experience with connecting four batteries to three hybrid inverters shows that the most significant factor is the resistance of the cabling. ...
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RE: COP is not the only measure of efficiency
@toodles Your use case is indeed very different to mine...
By jamespetts , 25 minutes 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 , 50 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Hell no, October as a matter of principle. If I had my ...
By Old_Scientist , 51 minutes ago
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RE: Renewables & Heat Pumps in the News
@mike-patrick Well, if Europe is stalling partly due to...
By Toodles , 58 minutes ago
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RE: Buffers, hot water and cooling
Seems a lot of work with hit or miss results and potent...
By dgclimatecontrol , 2 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@dgclimatecontrol I have no intention of removing the...
By Morgan , 2 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 , 2 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 5 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 6 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 , 6 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 1 day 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 , 1 day 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
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 3 days ago