Last seen: Aug 25, 2025
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...
Using contractors also provides opportunity for them to get things wrong. So it's still important to understand the basics of what you're asking the...
What's the make/model of that solar inverter @davidalgarve Is the storage battery connected to it directly?or does the battery have its own mains po...
That's the sort of schedule we'd expect to see for a typical gas boiler installation @cathyem1but it doesn't best reflect how your heat pump should op...
Latest Posts
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RE: Rodents! A word of warning for heat pump owners
@tim441 Or as they didn’t quite say in the space travel...
By Toodles , 2 hours ago
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RE: Mitsu Wireless Controller and MelCloud
Update: I have found that the contractor had changed on...
By DavidAlgarve , 13 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 14 hours ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 17 hours ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 18 hours ago
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RE: Why so many sigenergi installer recommendations?
It’s a really simple answer, GivEnergy. Installers ...
By SAEnergy , 22 hours ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 2 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 2 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 3 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 3 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 4 days ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 5 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 5 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 6 days ago
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New heat pump heating system underperforming in Italy... Advice needed!
hi all, first post! I've just renovated a house in sout...
By robinlawrie , 6 days ago
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RE: Anyone still weathering it out with Agile?
I went to Agile when I had solar installed July last ye...
By NJT , 7 days ago
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RE: Say hello and introduce yourself
Whilst you're busy installing services (pipes and wires...
By Transparent , 1 week ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@editor I know it was formally announced at Ish the oth...
By PatrickVito , 1 week ago
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@moman0311 welcome to the forums. I've received your em...
By Mars , 1 week ago
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RE: Thermostat for Ideal Logic Air with 3 zone support
No harm at all in plumbing it as 3 zones, I would have ...
By JamesPa , 1 week ago
