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
-
@jamespa The only thing I can think of is to write to y...
By Brendon Uys , 1 hour ago
-
Octopus are pushing their EV rental scheme, and the lat...
By AgentGeorge , 2 hours ago
-
RE: Who's your electricity provider and what's your tariff?
I’m guessing it’s been a bumper crop for surplus solar ...
By SUNandAIR , 2 hours ago
-
RE: Aira Heat Pump: Stylish Scandinavian Heating
Is anyone else with an Aira heat pump experiencing issu...
By ChandyKris , 5 hours ago
-
RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
By rossowheels , 18 hours ago
-
RE: Ecodan consuming 100kwh per day in new build!!!
It does indeed look like that, @skyefarmer. There is ...
By Majordennisbloodnok , 1 day ago
-
RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
By Lucia , 2 days ago
-
RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
By Scalextrix , 2 days ago
-
The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 3 days ago
-
RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 3 days ago
-
RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 4 days ago
-
RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 4 days ago
-
RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 4 days ago
-
RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 4 days ago
-
Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 5 days ago
-
-
RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 5 days ago
-
RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 5 days ago
