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Last seen: Jan 8, 2025
@yogabob I edited your post to split into paragraphs. A lot of people wouldn't bother reading it as it was (I nearly didn't!), which would be a sh...
@cathoderay, That particular graph displays a minimum of 24 hours and is presumably designed to show a long term picture, where it may be useful to ...
Just to be clear, the above comment refers to "The industry did try to do exactly what you are asking and came up with the buffer tank, system separat...
@pipcart When the ASHP COP is tested it's not done in a real house but on some sort of test rig. On the test rig, even though the flow is only 20 d...
Hi @pipcart, Your ASHP is barely ticking over and is almost certainly starting and stopping a lot. It has a baseline power consumption just to keep...
@heacol fair enough, although that sounds like an attempt at a one size fits all model, which isn't right. Good luck with what you're doing; the ...
This is much harder now! A few questions: Are you letting WC control room temperature or are you using thermostats; either Mitsubishi or 3rd party? ...
I was fed up of Derek getting all the plaudits, this is just the start for me!! 😆
@Derek-M understood what I meant. I wasn't referring to heat losses, I was referring to standard system designs for different situations that could b...
I assume you have tried tapping on the greyed out options? If they are available, doing this un-greys them.
The housing stock is indeed very different. There are extremes; houses that will always need a bespoke approach with individual, expert input. But t...
@Leftbacks, it's hard to say but most ufh systems seem to work around 35-40 degrees. Maybe others with ufh can comment. My house was built in 1990 an...
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RE: Heat Pump Pipe Sizing Question
Are you saying the MLCP (aluminum core with inner and o...
By trebor12345 , 1 hour 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 , 2 hours ago
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He, he. Yes, I remember HAL very well, but it was still...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@editor It's available here -
By HarrisonC , 13 hours ago
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@painter26 i am in Lightwater and midea trained. Sounds...
By Wizard , 16 hours ago
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RE: Renewables & Heat Pumps in the News
@jamespa, for all I know they did have the coupling and...
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@andrewj ... well, clearing gutters is a worthwhile ann...
By colinc , 20 hours ago
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RE: Anyone concerned about GivEnergy?
Here is the latest communication from GivEnergy regardi...
By txmartyn , 24 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Can @editor please clarify: Does the Indevolt App com...
By Transparent , 1 day ago
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@editor I too had a long list of questions, some of ...
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RE: Tell us about your Solar (PV) setup
3.84kWp of solar on our main South-East facing roof, in...
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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...
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RE: Vaillant arotherm plus heat pump frost protection
Yes, typically as close to the heat pump as possible. ...
By JamesPa , 1 day ago
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RE: Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
Difficult to comment further without being there. If...
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 , 2 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...
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 3 days ago
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 3 days ago
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
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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...
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Solis AC-coupled 3kW storage inverter
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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 , 3 days ago
