
Last seen: May 14, 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...
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Latest Posts
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RE: Using AI to optimise your system
Some strange stuff comes out of AI, hope your output is...
By Johnmo , 2 hours ago
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RE: Grant Aerona3 - Home Assistant control via Modbus
Difference is I’m actively encouraging as much cycling ...
By Mars , 3 hours ago
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RE: Discharging battery to grid whilst charging EV
@majordennisbloodnok I should probably clarify: I wasn'...
By AndrewJ , 9 hours ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
@grahamh-uk I looked into adding a Wifi kit to my Samsu...
By TechnoGeek , 10 hours ago
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And here's a follow up article on the same subject that...
By Mars , 10 hours ago
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RE: Renewables & Heat Pumps in the News
@johnmo Ours is powered from solar energy (with grid ba...
By Toodles , 14 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
I'm curious who you think are the reluctant ears. Cert...
By JamesPa , 1 day ago
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RE: Commencing on an ASHP Installation Process
If that is the case then I would add to my earlier post...
By JamesPa , 1 day ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
That's a very perceptive point, @jeff. We're all very g...
By Majordennisbloodnok , 2 days ago
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RE: Battery sizing - How low can you go!
The second 6.5 kWh Growatt battery was installed today....
By ChandyKris , 2 days ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
So… I called them this morning and I’m up and running o...
By Westkent , 3 days ago
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RE: IVT Greenline high pressure switch and electrical cassette errors
Your system seems to be more modern than mine, mine was...
By abbote , 3 days ago
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RE: Advice for ground source heat pump in new build with PV and batteries
Braver person than me. No way I would go down that rout...
By Johnmo , 3 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@arundalep yes I have no issue with this. The observati...
By benson , 3 days ago
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RE: Rate the quality of your heat pump design and installation
So your Halo lite should really do nothing, when connec...
By Johnmo , 4 days ago
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RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
This is indeed welcome news. In addition the new legi...
By JamesPa , 4 days ago
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RE: Is Your 6kW Air Source Heat Pump Really a 6kW?
@johnmo I think we’ve been trudging through the same...
By SUNandAIR , 5 days ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
Good luck, I hope it all works out!
By JamesPa , 6 days ago