Last seen: Aug 19, 2025
There have been a few discussions dotted around (e.g. I think Urban Plumber had a video on YouTube) where the 8.4 kW is not accounting for defrosts, m...
@heatgeek an interesting eureka moment - would provide what certainly sounds like a plausible explanation for the pump arrangement. I will likely ...
@jamespa @heatgeek I'm unsure as to the exact pump in the outdoor unit, but under the impression it is PWM. Flow speed can be adjusted on the pane...
@heatgeek I think it's also worth chucking out into the conversation that there are different degrees of cycling. I have a 12 kW Vaillant, and at t...
@sicky and therein lies the greatest difficulty the simpler the spreadsheet the more assumptions it's making for you. It certainly sounds like you hav...
@benson certainly removes them as an option! Have sent them a carefully worded query so will see what I get back in writing ...
@benson @richard24738 was this flagged by directly contacting them? My policy is up for renewal and I was about to renew as I couldn't see any exclusi...
Turned the setting off on mine as couldn't find anything anywhere that explained what it did with respect to ASHP (only mentioned to do with gas boile...
@old_scientist I made the jump to cosy the other weekend after a few days of lousy solar and no sign of cheap (windy) rates on agile for the weekend i...
@johnmo I did consider asking if you had found overall heat demand / electric usage had increased when you had reduced the cycle time but increased ov...
@johnmo Once you have the heat meter readings going in then hopefully you should be able to get the fully interactive read out (same as the heatpumpm...
Forum Handle: Declan90 Manufacturer: Vaillant Model: Arotherm+ 12 kW Type: ASHP Arrangement: Mono (Double Fan) Area of Country: Leicesters...
Latest Posts
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RE: Preparing for 2nd winter in new build house.
The electricity supply: I too am very surprised at...
By Transparent , 26 seconds ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
PS another useful observation from the last chart I pos...
By cathodeRay , 54 minutes ago
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RE: Boxt Heat Pump Installation Experience
Welcome to the forums. Was there any formal in-person...
By Mars , 56 minutes ago
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RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 1 hour ago
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RE: Big Changes Coming to Our Heat Pump System
@old_scientist 3. Some pipe work is ...
By GrahamF , 1 hour ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa if I remember the insulation has a notch cut i...
By AdamK , 10 hours ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 12 hours ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 18 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 23 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 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 , 3 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 3 days 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 , 3 days 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 , 3 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 , 4 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 , 4 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 4 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 , 4 days ago
