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Last seen: May 8, 2026
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...
Levitating Smart Meters are to be discouraged @cathyem1 😮 I'll have a look at your new topic and see if we can help with that.
I too have an initial question... 😉 How much of this renovation would you like to undertake yourself?Or are you simply wanting to throw mon...
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
On old (non inverter) compressors there’s sometimes a ‘...
By robl , 13 hours ago
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RE: Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
I'll take a photo of it if and when I next encounter it...
By seoras , 16 hours ago
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RE: Heat Pump Pipe Sizing Question
@trebor12345rebor12345 I got the circulator curves from...
By bobflux , 20 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
That particular Tracking system gets updated as soon as...
By Transparent , 1 day ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@editor It's available here -
By HarrisonC , 2 days ago
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@painter26 i am in Lightwater and midea trained. Sounds...
By Wizard , 2 days ago
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RE: Renewables & Heat Pumps in the News
@jamespa, for all I know they did have the coupling and...
By Mars , 2 days ago
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@andrewj ... well, clearing gutters is a worthwhile ann...
By colinc , 2 days ago
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RE: Anyone concerned about GivEnergy?
Here is the latest communication from GivEnergy regardi...
By txmartyn , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Can @editor please clarify: Does the Indevolt App com...
By Transparent , 2 days ago
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@editor I too had a long list of questions, some of ...
By Bash , 2 days ago
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RE: Tell us about your Solar (PV) setup
3.84kWp of solar on our main South-East facing roof, in...
By Gmuzz , 2 days ago
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RE: Mitsubishi Ecodan FTC6, Evohome & Economy 7. Getting Two Zones to Work Together
Lets step back. Why do you need/want 2 zones? The hea...
By JamesPa , 2 days ago
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RE: Vaillant arotherm plus heat pump frost protection
Yes, typically as close to the heat pump as possible. ...
By JamesPa , 2 days ago
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RE: Our 10 year old Grant heat pump failed
Back in the 70’s and through the eighties, one of my re...
By Toodles , 3 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 3 days ago
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 4 days ago
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 4 days ago
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 4 days ago
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 4 days ago
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RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 4 days ago
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Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 4 days ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 4 days ago



