Last seen: Sep 12, 2025
@dpc, how exciting. Please feel free to start a new topic dedicated to your heat pump and system and share your experience.
@derek-m, since we have a buffer tank on our system, theoretically you could divert excess solar to heat the buffer. So if your array is large enough ...
As in hot water that comes from your tap or hot water in the heating circuit?
Please support our Renewable Heating Hub Youtube channel by subscribing - we need just 100 more subscribers to hit our 1,000 subscriber milestone. It’...
We’re reviewing the Immersun, and I came across this formula that I used to calculate the amount of energy required to heat 300 liters of water from 2...
@derek-m, how can I calculate how much water I’m heating per degree centigrade based on diverting 1kWh of solar generation? Put another way, if I ha...
@cathoderay, maybe you could arrange and condense it into an article (word count is up to you) and it could be posted on the main site as a reference ...
Is the communication via the smart meter two-ways? Obviously, the meter is sending data to the provider, but is it receiving information too? If yes, ...
@cathoderay, Well done!
This thread, quite honestly, gives me an anxiety headache when I see updates and posts 😥 @cathoderay, your perseverance, patience and dedication ha...
@derek-m, we might have to add Heat Pump Whisperer to your signature – I love that – that's quite an accolade.
Latest Posts
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RE: Humming sound on new install.
One other thing, I haven’t balanced the rads yet so cur...
By AdamK , 18 minutes ago
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Funny story Graham, when I started looking to ...
By DREI , 33 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Possibly not the answer you might want, but if it were ...
By Temperature_Gradient , 3 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 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 , 6 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 , 7 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 , 9 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 , 9 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 , 9 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 , 15 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
