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cathodeRay RE: Setback savings - fact or fiction?  

By cathodeRay, 8 hours ago

Forum Air Source Heat Pumps (ASHPs)
  That is a valid prediction that can be tested, apart from the fact none of us will be around when the conclusions are drawn! I think with your help I have answered the setback duration question, ie wh...
RE: Setback savings - fact or fiction?  

By JamesPa, 9 hours ago

Forum Air Source Heat Pumps (ASHPs)
  Two days will never be sufficient because the run up and the days after matter as well. Somewhere in the West Country (I think) there are two houses built in a temperature controlled warehouse, that ...
RE: Poll for Time of Use, tariffs, technology  

By JamesPa, 9 hours ago

Forum Electricity, Tariffs, Monitoring & Providers
  I dont know TBH. Quotes for installed batteries seem very similar, a bit more than: 2.5K=5kWh, 5k=10kWh, 8-9K=20kWh. I am including cost of capital. I am assuming 4% interest but also accounting fo...
RE: Poll for Time of Use, tariffs, technology  

By Sheriff Fatman, 10 hours ago

Forum Electricity, Tariffs, Monitoring & Providers
  I'm always intrigued when you make this statement, as my view is that a home battery, coupled with a time of use tariff, is the biggest value element within the "renewables package", even in the absen...
RE: Different dT on each radiator?  

By medwardz, 10 hours ago

Forum Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
  @jamespa Thanks for getting back to me. I know my pipework lengths and diameters (a combination of lifting floorboards, a borescope, and a thermal camera) so can have a good go at calculating pressure...
RE: Setback savings - fact or fiction?  

By Old_Scientist, 11 hours ago

Forum Air Source Heat Pumps (ASHPs)
  Following this discussion with much interest. We operate a set back, as much by necessity of having an over-sized heat pump, but also due to my Scrooge-like tendencies. We cannot operate our 12kW heat...
Transparent RE: LiFePO4 lithium battery fires and explosions  

By Transparent, 15 hours ago

Forum Energy Storage
  That's somewhat of an understatement. 🤨 The following table compares a 16-cell battery which must deliver 5kW to a load using the two cell chemistries you've chosen: Attachment : CellVolt...
RE: Help me keep the faith with my air source heat pump installation  

By AdamK, 16 hours ago

Forum Air Source Heat Pumps (ASHPs)
  Attachment : IMG_1278.png @simonf thats interesting as I’ve noticed my flow and return cross when it’s on cooldown not by much though 0.5c.
cathodeRay RE: LiFePO4 lithium battery fires and explosions  

By cathodeRay, 16 hours ago

Forum Energy Storage
  @batpred — your latest post here has more than a bit of a whiff of AI about it, be that as it may, we might hope that regulators might be transparent, even if they often aren't, but the insurance indu...
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