Last seen: Sep 19, 2024
Looking at the data it would appear that your heat pump is still working and maintaining the IAT during the setback period, so the setback does not ap...
Quite some time ago I created an Excel Modeling Tool with which it is possible to approximate the operating parameters of a heat pump under varying op...
Don't confuse SCOP with COP. You are indeed correct your costs will be much higher in Winter than in Summer, not just because you are using more ele...
Having just read your original post I feel there is need for clarification. If my understanding is correct, SCOP is the 'seasonal' coefficient of pe...
@graeme You may find the following link of use.
Improved insulation will have an impact on both COP and SCOP, since reducing the thermal energy demand should improve the efficiency. The simple fac...
In an ideal world a heat pump unit would contain two compressors, a nominal 12kW capacity heat pump having one compressor rated at 8kW and one compres...
@jamespa I fully agree with James that a HT heat pump will probably be no more costly to run than a LT heat pump when operating at the same LWT. I...
It is difficult to assess from just a small section of the data, but the rated capacity of a heat pump is based upon the thermal energy output, not th...
@irmartini The heat loss calculation should detail the estimated amount of thermal energy required each hour to keep the rooms at the specified temp...
Some photo's of your system may be of use in resolving your problem. Before the system was changed did you have one dual rate meter or two single rate...
As more consumers install EV chargers, Heat Pumps and even battery storage, this may help reduce phase imbalance, if they are evenly spread across the...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks, that might explain the when, and possibly the w...
By cathodeRay , 2 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
We could I'm sure (mine for example, nothing special at...
By JamesPa , 28 minutes ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 2 hours ago
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RE: MCS certificate SCOP vs real-world performance
MCS:3.65 Reported by Vaillant: 3.96 (heating only); 3....
By JamesPa , 3 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Water pump will certainly make a hum (which could conce...
By JamesPa , 9 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 9 hours 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 , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 2 days 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 , 2 days 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: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 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 , 3 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 3 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 , 3 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 4 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 , 4 days ago
