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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Interesting read and MCS are as you say, beyond useless...
By benson , 4 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump I'm going to leave this mostly to @catho...
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RE: Electricity price predictions
The gas standing charge went up as some of the network ...
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I think there may be a little confusion in the wording ...
By Old_Scientist , 2 days ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Previous was vented and I needed a shower pump and a ve...
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 3 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 4 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 4 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 1 week ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 week ago
