Last seen: Apr 27, 2024
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...
@transparent When considering the overall electricity supply system there would appear to be two main factors, one being the variation in supply and...
I assume that the above prices are after the £7500 grant has been subtracted. It would be interesting to see if many of the installers increased their...
@mattc Sorry, I should have made it a general question to the forum.
@mattc Has the price of a heat pump system increased dramatically recently?
@transparent While a heat pump is powered and operational, there should actually be no reason for anti-freeze within the system, since the thermal e...
I suspect that you are getting an L5 error because under 'Room Sensor Settings' you are trying to allocate RC1 or MainRC to zone 2, whereas the device...
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Latest Posts
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RE: Gas Combi to ASHP - Making sense of survey results and proposal.
An annual gas use figure of 13000kWh, as long as you ar...
By HarriUp , 1 hour ago
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RE: Say hello and introduce yourself
@dr_dongle Living as we do on a hill, one side of our p...
By Toodles , 2 hours ago
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RE: Fossil Fuel Fired Heating v Heat Pump?
Another aspect was the DHW heating; the coal fire in th...
By Toodles , 7 hours ago
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In an ideal world a heat pump unit would contain two co...
By Derek M , 20 hours ago
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore
@jamespa I fully agree with James that a HT heat pump...
By Derek M , 22 hours ago
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RE: Installing your own ASHP - DIY
@tomasmcguinness Have you been able to perform any sani...
By IanMK13 , 1 day ago
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RE: Viessmann Vitocal 250-A in the UK
For reference, I have a 10 kWh Viessmann 151-A installe...
By GC61 , 1 day ago
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RE: Vaillant Arotherm Settings for New Installation
@drew-pa Ah thanks. Good to know I dont have a misconce...
By bontwoody , 1 day ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
On the whole marketing claims vs reality on performance...
By GunboatDiplomat , 1 day ago
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RE: Microbore Central Heating Plumbing, will it be a barrier / pain?
@mattc All the existing (designed for T50) radiators ar...
By IanMK13 , 2 days ago
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The temporary fix has reconnected about 60% of users, a...
By Abernyte , 2 days ago
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RE: What is Wrong with our Heat Pump Installation?
Having to run the heat pump during the summer for DHW s...
By Toodles , 2 days ago
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Issues with Vaillant connectivity via the MyCONNECT gateway
I'm sensing a variety of issues with Vaillant connectiv...
By dr_dongle , 2 days ago
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Interesting heat pumps installations
Thought it would be cool to share photos of interesting...
By Mars , 2 days ago
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RE: Massive Electricity Cost for Running My Air Source Heat Pump
@allyfish In fairness installer has replied stra...
By Holts , 2 days ago
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RE: Are Solar Diverters Necessary for Homes with ASHPs and Solar PV?
@zzxap19 that's a fair point. With the eddi, is it poss...
By Mars , 3 days ago
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RE: Delivering a smart and secure electricity system: government consultation
"I don't think I'll need to refer to past iterations of...
By eggnchips , 3 days ago
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RE: Error on Immersun – Error 8 Load Short Circuit
@julesmp8 fingers crossed. I have to say our Immersu...
By Mars , 4 days ago
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Latest Topics
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Interesting heat pumps installations
By Mars 2 days ago
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What is Wrong with our Heat Pump Installation?
By Mars 3 days ago
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Fossil Fuel Fired Heating v Heat Pump?
By Toodles 3 days ago
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Viessmann Vitocal 250-A in the UK
By treehugger 5 days ago
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By HUBB84 7 days ago
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By jswhite 1 week ago