Last seen: Aug 25, 2023
@derek-m Yes, going for the classic industrial control route is one option. There's a certain merit to hardwiring in valves and sensors and running t...
I can't help but feel this is all a bit primitive. We have a mishmash of control systems all fighting against each other. For example, the heat pump...
@kev-m I haven't tried running rads at 50C as the old oil boiler is very unhappy if the output temp is set below 70C. I'm just curious whether there a...
A caveat that most houses have a maximum 100A cutout (fuse) carrier but it doesn't tell you what fuse is inside. There may be a note on it indicating ...
Hello everyone!I've been on an interesting ASHP journey... we have an semi-detached bungalow with an oil boiler on its last legs. I had an ASHP repla...
@derek-m A2W can be used for cooling. Many are reversible so you can switch the outdoor unit to making cold water instead of making hot water. The pr...
I'm curious what the practical difference is between an A2A air con unit and an A2W ASHP using a fan coil? Most heating-based ASHP systems are using r...
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Heat Pump Dramas?
Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.
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Latest Posts
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami yes. 8kw = 8000w I would change the areas in th...
By bontwoody , 2 hours ago
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RE: Towel rails. An unexpected final hurdle
I had a similar issue but convinced the installer to le...
By Pie_Eater , 3 hours ago
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Cliff, welcome to the forum. You’re running into one ...
By Mars , 3 hours ago
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RE: What is the best strategy for operating a very oversized heat pump?
This whole discussion highlights just how much of a mes...
By Mars , 3 hours ago
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
By Mars , 3 hours ago
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RE: Setback savings - fact or fiction?
Here's the same plot, less the R squared values, done q...
By cathodeRay , 6 hours ago
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RE: SolarPV tables / online calculator
We've only had our solar since last June, but so far fo...
By Old_Scientist , 6 hours ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 6 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 8 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 9 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 10 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 14 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 1 day ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 2 days ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 2 days ago
Latest Topics
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By cliffhanger 3 hours ago
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Heat Pump Sizing & Installation Costs
By Mars 16 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 17 hours ago
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SolarPV tables / online calculator
By MichelleC 24 hours ago