Last seen: Sep 15, 2025
Sadly, the MCS are a toothless organization that I had a lot of faith in when we started RHH and have had regular contact with them. I am fortunate to...
On the subject of COP, I have to disagree because it should matter greatly. Each and every MCS-accredited heat pump in the UK has a published COP for ...
@grahamh, and therein lies the biggest issue for me with the ASHP industry. Running costs don't correlate with the heat they produce (and the manufact...
Our lifetime COP is 2.7 and the published COP of our 18kW Global Energy Systems heat pump is supposed to be 3.46 at 45C flow temperature.
Here’s some food for thought. How many distribution pumps do you have connected to your heat pump system at the moment and do you know how much pow...
So far, everyone has to jump through hoops to get the COP. Crazy.
@cathoderay, thanks for starting this useful thread. This just reaffirms my thoughts about heat pumps – they are ridiculously overcomplicated in som...
@marvinator80, welcome to the forums and we look forward to hearing all about your system when it's installed. Please feel free to start a new thread ...
We’d like to thank David for writing this great review of his new Panasonic Aquarea 16kW ASHP:/p> If you’d like to have a review published, please f...
@drdp, I’m not sure why it would be doing that. Maybe @heacol can shed some light.
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
I doubt it, many 'improvements' are quite the opposite....
By cathodeRay , 1 hour ago
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RE: Electricity price predictions
@julianc Expressed as a flow diagram, I suspect one wou...
By Toodles , 2 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@jamespa The dormitories at my boarding school (in Exet...
By Toodles , 2 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 17 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 18 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 18 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 20 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 21 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 22 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 23 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 3 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 4 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days 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 , 4 days 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 , 5 days ago
