Last seen: Sep 17, 2025
An immersion heater can always be disconnected or isolated at a later date if @cathyem1 wants to. But I think there should be an immersion heater dr...
Yes! And this is why we like having photographs of installations.We can spot things which you might not think to ask us! Would you like to try pos...
It doesn't make sense to me that the immersion heater is controlled by a time clock, separate from the heat pump. Every heat-pump approved for use i...
Note for those who wish to follow this discussion but are wary of the maths... There is a BEAMA Guide to underfloor heating which compares the SPF o...
Ah... interesting conclusion! I don't think that will work because compressors can't operate at very low speed.They are designed to be used over a r...
I think you ought to know that DESNZ is working on an approach to control appliances in the home using remote signalling. At the very least they int...
I suspect that the heat-pump is 'cycling'. Ie it's switching on/off every few minutes in response to temperature sensors. If you have Thermostatic...
That's interesting @cathyem1 Many installers don't like reconnecting an existing solar-thermal to a newly installed heat-pump system. It can be m...
I've done a few checks on the Growatt MOD4000-TL XH inverter. It costs around £550 in UK, and is a typical basic 3-phase design with a battery port....
Mechanical Ventilation with Heat Recovery (MVHR) needs to be planned/considered at a very early stage. Installing the larger pipes first is the best...
Latest Posts
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RE: Powerwall 3 or Myenergi or something else?
Many of those tariffs are simple time of use tariffs, w...
By Temperature_Gradient , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yes thats the whole point of the flexis as regards tran...
By JamesPa , 3 hours ago
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So far as I can tell designing for DT5, which is 'the n...
By JamesPa , 4 hours ago
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Mitsu PAR-WT60R Wireless Controller - options
I hope I have satisfactorily installed the above wirele...
By DavidAlgarve , 6 hours ago
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WC curve best discovered by experiment anyway as any lo...
By JamesPa , 10 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 1 day ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 1 day ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 1 day ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 2 days ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 2 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 2 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 2 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 2 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 3 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 3 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 3 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 5 days ago
