Last seen: Mar 3, 2025
Many of the above , in my dreams. 2023, June 479, Nov 1,120, Dec 1,359, Jan 2024 1,491 These are total kWh per month from which you can subtract ...
@crimson My experience too. I never considered going online to discuss the performance of my gas central heating. It generally just worked - like my c...
We run on WC but the UFH heating was set up with separate loops to every room. Each has its own thermostat, which provides the upper temperature limit...
@mattc Here's the same chart with the Excel exponential line added. I could subtract the background 8-10 kWh per day that is used when the ASHP is o...
@sunandair We leave the ASHP running at the same setting 24/7 (except when switched off in the summer or while away when its left on UFH only). We aim...
@cathoderay It's just manual collection of data. I read my MAxMin thermometer and the electricity meter once a day and input the numbers into Excel. ...
@sunandair My data collection is very simple - to match my technical knowhow. Each day take one reading of my MaxMin thermometer and the electricity m...
@marzipan71 My temperature data comes from my own Max Min thermometer. This is carefully placed in the only point in the garden which is in the shade ...
This ties in with my post on the 5th. Air temperature today 2.4C (colder than on Friday) but humidity only 72% (was 94% on Friday). No frosting of...
We put down a gravel driveway 7 years ago on completion of the building contruction/refurbishment of the house. It was just mud and rubble. We used ...
My heat pump frosting up this mormning. Outside air temperature 3.4 C, humidity 94%. Prepare for large KWh consumption today. Mike
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Latest Posts
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RE: Setback savings - fact or fiction?
We certainly are, and that's why I am here too. But tha...
By cathodeRay , 54 seconds ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
No need for apologies, just cautioning about getting to...
By JamesPa , 7 minutes 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 , 9 minutes ago
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RE: What is the best strategy for operating a very oversized heat pump?
I think most heat pumps have this mode but I cant see h...
By JamesPa , 40 minutes 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 , 2 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 4 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 6 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
The debate over buffer tanks in heat pump systems has b...
By Mars , 7 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 , 18 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 , 21 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 , 22 hours 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
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RE: Visit a Heat Pump sessions.
Congratulations @toodles, that's a fantastic result. We...
By Old_Scientist , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 6 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 7 hours ago
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SolarPV tables / online calculator
By MichelleC 14 hours ago
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By Toodles 2 days ago