Last seen: Jun 28, 2025
Firstly, a bit good news regarding COP - it’s not as bad as you might think! Mitsubishi reporting of electric consumption is known to be overdone – fo...
@rich I agree with your assessment that your pump is oversized, I have the same unit in a similarly-sized house with a design temp of 50° at -2.5 and ...
Definitely a better understanding of the heat demand of my home. Before installation I tried reducing the output temperature of the boiler to simulate...
@pkham I am not a Midea owner, but if I am reading your screenshot correctly you are running it to a fixed temp output of 41° not a variable output W...
If you refer to this document -- part D-9 explains the process of re-pairing your wireless controller and receiver.
@rod This pattern is very familiar to me as it just how my heat pump chooses to operate. Under WC it would cycle more frequently but using AA it is a...
That is a bold statement Gary, it might be true for your installation, but, for example, it isn't for mine which has been running with flow temps betw...
My system is not UFH so my direct knowledge is zilch, but I think Derek is probably on the right lines. On the first of the MelCloud screenshots you p...
Generally I would say you need to work out how to get your system heating the house as you want it, then work out how to do it more efficiently, then ...
I'm not sure you should worry too much. The inaccuracy of the unit's measurement of its consumption builds up, I know my unit thinks it has used 60 kW...
You're right, only the last of these is a defrost, the bigger drop in LWT is the sign of the heat extraction. I have only ever looked out of the windo...
Concisely put. But cycling is phenomenon that seems to have a number of causes, and this golden standard of continuous, even running seems to be held ...
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
Hi, how does Havenwise measure the room temperature, is...
By damonc , 18 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
This is, as I see it, the main downside to WC. It's pur...
By Old_Scientist , 45 minutes ago
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RE: Midea ASHP – how to set weather compensation
The midea has a number of pre programmed WC curves (wit...
By benson , 45 minutes ago
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RE: COP is not the only measure of efficiency
If that's the case then you are right to be sceptical, ...
By JamesPa , 2 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 , 5 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba Well done for stepping in where most would ...
By JamesPa , 6 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 16 hours 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 , 16 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 17 hours 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 , 20 hours 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 , 22 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 1 day ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 1 day 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 , 1 day 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 , 2 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 , 2 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 , 2 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago