
Last seen: Sep 12, 2025
I agree, new stuff can easily be intimidating, though for me the most intimidating part was getting my head round the modbus/hardware side of things -...
Another factor that can have an impact on running costs for different heat sources is usage pattern, specifically the use of timers. Many fossil fuel ...
If you search the forum, you will find countless examples of people doing exactly this. The vast majority of heat pump controllers will give you this ...
@judith - good points and useful links. I suspect solid stone walls, which I also have, will often be something of an unknown, because they can be ver...
Welcome to the wonderful world of heat loss calculations! Looking at your heat loss calculator worksheet, the living room and kitchen both have very...
Thank heavens for the facilitating of small mercies. At least he didn't 'reach out' to let you know, though if he had, he might have 'reac'd out'. The...
I think you need a bit more than vague assertions followed by spurious decimal places! I also get worried when I see a turn of phrase like "At this ti...
You are very kind, thank you!
Takeaways? Can I suggest: 1. The big players are best suited to off the peg installs into unchallenging settings. This relies on the big players bei...
@derek-m, you beat me to it - I had just written something very similar (but not the same, I separate all the design from the installation): Another...
@damon - as I said right at the start of my last post, "This is a difficult one, and I don't know the answer." But I think it is an important question...
This is a difficult one, and I don't know the answer. Some thoughts: Arguments for and against 'free' surveys: they allow a customer to get more quo...
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RE: Humming sound on new install.
Ok took some pics. It’s seems level one end front to ba...
By AdamK , 21 minutes ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 2 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
I think so but I don't know for certain. A cascade as ...
By JamesPa , 4 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 5 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 7 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 23 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 1 day ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 1 day ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 1 day ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 2 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 3 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 3 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago