Last seen: Feb 5, 2024
@grahamb I was saying they may have estimated that from guessing your heating/hot water needs at 19000kWh. If your needs are lower than that, which it...
@grahamb yes but you use less gas than that. Take your gas usage in kWh and divide it by 3 or 4 to get your heat pump usage. I think a gas hob normall...
@grahamb that all seems quite reasonable then for the 9kW quote. My pipe run for my monobloc is about 10m there, 10m back. The manual does allow longe...
@cathoderay yes that's right it was as if I had a power cut. This was the installation of my heat pump, so when the plumbing guys finished the pipewor...
I get a similar, albeit slightly higher, figure when I do it and we have very similar sized houses so it's a good comparison. My heat loss calcs came ...
@cathoderay I did say a good weather comp curve can be more comfortable. If your house is cold then the curve isn't tuned properly. Either that or you...
Heat pumps cost more to run when it's very cold. Somehow mine managed to stay on par with gas, but many cost more than gas when it's very cold. This s...
Off the top of my head I can think of a few reasons Heat pumps are not as powerful as the boilers they replace so simply can't just slam on at the...
@cathoderay yes I suppose you are right that you have to refill. I think if the outside is isolated from the inside this shouldn't be too difficult, b...
@abefroman a couple of things stand out to me. Firstly with 17kW of heat pumps it's clear your installer thought you had a large heat loss. That is ve...
I have anti freeze valves. Due to complications of my install this past week in the cold snap, my anti freeze valves kicked into action and drained my...
What did they say about them on the show? Did you experience the same problems as discussed on the programme? With regards to your issues, there is...
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Latest Posts
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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 , 16 minutes ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 43 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami I think if the heat loss documentation matches a ...
By bontwoody , 1 hour ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa I'm afraid that's over my head but if anyon...
By IRMartini , 2 hours ago
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RE: Setback savings - fact or fiction?
And here in case any one wants it is the code I used in...
By cathodeRay , 2 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 , 2 hours ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 4 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 6 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 8 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 , 20 hours 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 , 22 hours 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 , 1 day 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 , 1 day ago
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RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 1 day ago
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There have been several people on the OpenEnergyMonitor...
By RobS , 2 days ago
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RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 8 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 9 hours ago
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SolarPV tables / online calculator
By MichelleC 16 hours ago
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By Toodles 2 days ago