Last seen: Sep 17, 2025
Any 'old' thermostat does this, its only more recent ones that try to be more sophisticated, in a way wholly unhelpful to heat pumps. But the real s...
Absolutely. To control house temperature vary the flow temperature (using weather compensation), don't turn the heat pump on/off. The latter simply ...
Agreed and I wasn't trying to suggest otherwise. The point I was trying to emphasise is that, as you have shown experimentally, a heat pump which i...
... which is essentially the problem, the HP should control the HP! & the bold bit solves the problem more or less. Essentially the Honeywel...
@iantelescope Both @derek-m and I have made (very similar) suggestions as to how your installation can be improved, explained why implementing them w...
I would say fit them where you need the measurements, which depends on what you are trying to work out! If you are trying to work out the change in f...
Yes, and I did (I hope). The word here above is a hyperlink to an Amazon offering.
Other than the buffer that all sounds very sensible indeed - which makes it even more curious that the buffer is fitted at all. Did the installer giv...
It sounds like you have done your research. Your challenge might be that MCS installers will likely insist on working to 21C, you might need to lie a...
Flow temp and return temp aren't what you want, you want the temperature of the flow into the buffer from the heat pump (which should equal flow temp)...
Sorry yes consent = permission = approval, terms used interchangeably. A 'lawful development certificate' is nothing more than confirmation that the ...
@pablito Yes to the first question. If it's over 0.6cu m they should refuse the LDC, however this limit may change upwards in the next months follo...
Latest Posts
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RE: Powerwall 3 or Myenergi or something else?
Many of those tariffs are simple time of use tariffs, w...
By Temperature_Gradient , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yes thats the whole point of the flexis as regards tran...
By JamesPa , 3 hours ago
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So far as I can tell designing for DT5, which is 'the n...
By JamesPa , 3 hours ago
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Mitsu PAR-WT60R Wireless Controller - options
I hope I have satisfactorily installed the above wirele...
By DavidAlgarve , 5 hours ago
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WC curve best discovered by experiment anyway as any lo...
By JamesPa , 10 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 1 day ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 1 day ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 1 day ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 2 days ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 2 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 2 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 2 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 2 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 3 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 3 days 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 , 3 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 , 5 days ago
