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Last seen: May 18, 2026
Improvement is good. Lets explore where we are now. You should definitely be getting better than 3 at 9/35 (Can you confirm 35 measured at and by ...
Just one more thought. If you have convenient space for the 20kW cascade and your installer is paying then it possibly isnt a bad option. Most of ti...
Ok given that history they aren't going to risk under sizing. I made a couple of suggestions above. Is it really impossible to fit R290, the rules a...
For clarity there is no requirement for clearance behind (other than for airflow of course - typically 200-300mm) and you can have a window directly a...
@mars I think your commentary is very fair and balanced. I do get that suppliers are genuinely experimenting with tariffs to find out what customer...
I dont think there is any material limitation but you do have to avoid creating areas of negative pressure once gravity is taken into account (which i...
@editor Cross border or cross-entity tax optimisation is unfortunately a well established practice and some companies have whole departments dedica...
The Next export tarrif was fixed for 12 months so until your renewal you may well not hear (and by then it may have changed). Here is what it current...
I dont disagree, although I still maintain that the 15p flat rate was fairly obviously unsustainable. I think surrendering some control is likely to ...
Agreed although reducing cheap hours from 7 to 6 is a bit of a disadvantage. For me the switch to banning combining it with a decent export tariff, w...
No surprise here then. It was never going to be sustainable without some effort on their part to control the heat pump so that they could play games....
Latest Posts
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RE: ASHP Capacity loss with aging
This is a good question. The short answer IMO is yes, c...
By Mars , 8 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
Welcome @simon_jm, and this is not a dumb question at a...
By Mars , 8 hours ago
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RE: Loud noises in the night - and one for the toolbox?
Brilliant bit of lateral thinking, and a useful one to ...
By Mars , 10 hours ago
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
By RobS , 10 hours ago
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RE: UK warm homes plan - how can it be delivered?
@bobflux My view is that regulation for consumer pro...
By Batpred , 12 hours ago
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Hi Mars, I've sent you a request to connect me with a...
By sttpd1917 , 13 hours ago
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RE: Sizing an ASHP; Heat loss and kW
Annual consumption is almost certainly better than an E...
By JamesPa , 17 hours ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
By TaffontheTaff , 19 hours ago
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RE: Advice on Vaillant Sensocomfort
The latest Vaillant announcement I saw said that they w...
By JamesPa , 23 hours ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 1 day ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 1 day ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
By AgentGeorge , 2 days ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 3 days ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 3 days ago
