Last seen: Jan 8, 2025
Don't know; we're in Greece keeping cool 😆 🤣. It was a chilly 31C today, although it's warming up a bit later this week. Doesn't insulation work for...
As long as you have correctly sized radiators it's a bit of a myth that you have to run an ASHP 24/7. (if you have underfloor heating it's different)....
At 2.3 euro/litre, 7kWh per litre for LPG and 2200 euro per year I make that roughly 6700kWh. Assuming you get a COP of 3 then your ASHP would consum...
Maybe a good indication of the likely price in the coming years. I'm surprised it's that low.
What sort of heating/DHW is that?
We too have a Mitsubish ASHP and it's been great - good performance and reliability and lots of engineers who know them. I can't comment on Vaillant,...
All I was saying is that if the electricity grid failed, domestic heating would be the least of our worries and, as you say, gas CH systems wouldn't w...
@transparent I see what you're saying but the consequences of a catastrophic grid failure are not really anything to do with domestic heating. And...
A gas boiler at 80%, including standing charge, would be beaten by an ASHP with a SCOP of 2.5 at these prices. I think that's a good thing. The £3k ...
3) Is the warranty valid? 3a) Not commissioned. Installed and running in a mis-configured (flows, returns and filters reversed) state for 9 mon...
@ronin92 I think yes within reason. They will have a start up procedure before they start running properly. Best ask your installer/manufacturert...
@editor Mars, see attached. This is how Mitsubishi explains how crankcase heating works. It does manifest itself as spikes. Not all compressors (a...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@downfield It is disappointing to hear of that lack of ...
By Abernyte , 2 minutes ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
@scalextrix Absobloominglutely! Toodles.
By Toodles , 2 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Central heating still switched off and will be until Oc...
By AllyFish , 4 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Please read to the very end of this post, I shift my po...
By JamesPa , 5 hours 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 , 5 hours ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 19 hours 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 , 21 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 22 hours 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 , 1 day ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 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 , 2 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 , 2 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 , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago