Last seen: Jan 25, 2026
@jamespa As far as my property is concerned, the HG calculator is broken. I recall when I last looked at it 2 or so so years ago, my property defaulte...
@deltona I just wonder how many HG surveys end up with a discussion about the need for a new HW cylinder? My HG estimate for a minimal disruption inst...
@ashp-bobba Thanks. I appreciate your helpful comments.
@editor1 Thanks for your view on this offer. On the face of it, it is very attractive. The initial estimate comes in low and then I guess the fun sta...
I met with a local Stiebel Eltron HP installer a year ago. He quoted me Β£10K for just a HP and cylinder, and he wanted me to do the heat loss survey. ...
@ashp-bobba I can well see the argument for moving an air brick to end up with a compliant R290 installation; however, my reading of Building Regulati...
Just to demonstrate how silly this whole HP R290 gas safety debate is, my Samsung R290 heat pump tumble dryer is happily sitting underneath my gas boi...
Θhanks @johnnyb. All my air bricks are in the 1.5to 2M category. My Grandsonβs partner is a Local Authority Buildings Inspector so I will have a chat ...
I am completely out of my depth here as I am sure you can tell. This is what a search about R290 reveals: R290 (propane) is a natural hydrocarbo...
Wow - I seem to have wandered into a minefield here. It would seem that the industry is as confused as I am! There is a further consideration. R32-g...
Having worked in a safety-critical industry for over 40 years, the last thing one does is leave procedures etc open to independent interpretation. Thi...
Latest Posts
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RE: Electricity price predictions
i only know about Intelligent Octopus Go ToU, where acc...
By SKD , 36 minutes ago
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RE: What determines the SOC of a battery?
@batpred I didn't write the Seplos BMS software, I a...
By Bash , 1 hour ago
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
Without knowing it, @andrewj, you've laid down the gaun...
By Majordennisbloodnok , 2 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos and @cathoderay thanks. I have some history grap...
By benson , 2 hours ago
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I am having my existing heat pump changed to a Vaillant...
By trebor12345 , 2 hours ago
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Our Experience installing a heat pump into a Grade 2 Listed stone house
First want to thank everybody who has contributed to th...
By Travellingwave , 3 hours ago
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RE: Setback savings - fact or fiction?
@cathoderay The input power is largely determined by...
By RobS , 3 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Just to wrap this up here for future readers: The S...
By Batpred , 5 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Welcome to the forums.I assume that you're getting the ...
By Sheriff Fatman , 5 hours ago
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
By GC61 , 7 hours ago
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@painter26 β as @jamespa says, it's for filling and re-...
By cathodeRay , 11 hours ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads
@uknick TBH if I were taking the floor up ...
By JamesPa , 21 hours ago
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RE: Getting ready for export with a BESS
I would have not got it if it was that tight
By Batpred , 23 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
@judith thanks Judith. Confirmation appreciated. The ...
By DavidB , 1 day ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That makes sense. I thought better to comment in this t...
By Batpred , 1 day ago
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Bosch CS5800i 7kW replacing Greenstar Junior 28i
My heat pump journey began a couple of years ago when I...
By Slartibartfast , 1 day ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
The last photo is defrost for sure (or cooling, but pre...
By JamesPa , 1 day ago
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RE: Plug and play solar. Thoughts?
Essentially, this just needed legislation. In Germany t...
By Batpred , 1 day ago
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RE: A Smarter Smart Controller from Homely?
@toodles Intentional opening of any warranty βcan of wo...
By Papahuhu , 1 day ago
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thanks @transparent Thankyou for your advic...
By Bash , 1 day ago
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RE: Air source heat pump roll call β what heat pump brand and model do you have?
Forum Handle: Odd_LionManufacturer: SamsungModel: Samsu...
By Odd_Lion , 1 day ago
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RE: Configuring third party dongle for Ecodan local control
Well, it was mentioned before in the early pos...
By F1p , 2 days ago
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RE: DIY solar upgrade - Considering adding more panels
I know this is a bit old, but it made me wonder what co...
By Batpred , 2 days ago
