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Last seen: Aug 1, 2026
Are you saying the MLCP (aluminum core with inner and outer layers of polyethylene) is not the right material to be used for the water pipe run from t...
You might like to try cinergi.co.uk at Romsey. I am about use them to replace my Hitachi HP, they are also installing a Tesla battery for me.  ...
Yes now looking like a Tesla Powerwall3. Not much difference in cost around £8500 for full house back up.
I am looking for full house back up. I don't thing this product has this functionality. Please let me know if I am wrong.
The negative reviews are a worry. I would note that some are from Australia. I have been looking at Tesla as well. I am confident in my installer b...
I will send you a PM.
Are you refering to the builder who installed the system or someone from Hitachi to come and fix issues/install new SW?
I am in a similar situation as you. Have an oversized heat pump 7KW in a 2KW at -2C property with UFH. I have selected a Vaillant 3.5KW as my repla...
I also have a Hitachi split system similar to yours, details in the tag line. I also had a lot of problems with cycling, the principal reason being t...
@marcexec I did look into this black version for my new heat pump. There is a german spec, reading between the lines I felt it's much the same as the...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 19 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 19 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 1 day ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 3 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



