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RE: COP is not the only measure of efficiency  

By Old_Scientist, 1 day ago

  We keep all our TRVs fully open using the whole house approach. When we are away in winter I turn the flow temps down to minimum and use the room thermostat to control heating, setting it to something...
RE: COP is not the only measure of efficiency  

By jamespetts, 1 day ago

  For unoccupied rooms when I am home, I do use setback temperatures on the TRVs. When I am not at home at all, however, I turn the heating off entirely. If I were just to use setback temperatures, the ...
RE: COP is not the only measure of efficiency  

By Old_Scientist, 1 day ago

  Indeed, this made me chuckle. After comfort (however you may define that), the most important factor is cost. My heat pump would run more 'efficiently' (higher COP) if I opened the windows to increase...
RE: Is a Valliant Inline 6kW heater a BUS buster?  

By GuydeB, 1 day ago

  Hi @jamespa and a nod to @grahamf for his excellent old/large house explanations. I am still going around in a vortex of different suggestions without a boiler and struggling to find an installer to h...
Morgan RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?  

By Morgan, 1 day ago

  Like @pash44pump I would be interested in recommendations for a service engineer in the Derby area for my Ecodan 11.2 ASHP.
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?  

By ASHP-BOBBA, 1 day ago

  @pash44pump I hope you get the service you are looking for, I have fiends in Bath and near Wiltshire, beautiful area of the country.
RE: Who’s Caved and Switched the Heating On Already?  

By Tim441, 1 day ago

Forum Your Home
  I leave my heat pump on and let WC decide - with some easy adjustments. Depends on setup what works for you. I can temporarily adjust WC curve easily. I also have digital thermostats allowing temporar...
cathodeRay RE: Midea ASHP – how to set weather compensation  

By cathodeRay, 2 days ago

  I think it is a bug in the code, it comes on even when there is no huge kettle immersion heater in the buffer. The Midea Msmarthome or whatever it is now called app also tracks the tbh (tank back up h...
RE: Midea ASHP – how to set weather compensation  

By pash44pump, 2 days ago

  @cathoderay is the tank back-up heater the potential mega-kettle aka buffer tank? I see the mine too on my display occasionally 😀
RE: Midea ASHP – how to set weather compensation  

By pash44pump, 2 days ago

  @batalto what is "the app" you refer to? Ta
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?  

By pash44pump, 2 days ago

  @ashp-bobba wish you lived closer to Wiltshire! My installer charges £294 for a service. Given the issues I have had with my system I believe it's purely a basic box-ticking exercise. They have just r...
GrahamF RE: COP is not the only measure of efficiency  

By GrahamF, 2 days ago

  @jamespetts Interesting post, thanks. Here are my thoughts: 1. It is your comfort, your system and your money, so feel free to run it how you like! 2. Within the heat pump community, there is a cer...
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