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	RE: Heat Loss v Outside Air Temperature By bontwoody, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa I agree. Installers go on about the importance of a room by room survey but how can you have faith in them when they often come up with such different results when done by different installer...
	RE: Aira Heat Pump: Stylish Scandinavian Heating By ChandyKris, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Same here, we got Aira heat pump installed towards the end of January when it was very cold. It's a 6 kWh heat pump and we swapped/upgraded 9 radiators and left a few as-is. There was one issue with t...
	RE: Heat Loss v Outside Air Temperature By bontwoody, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@steelbadger Yes. I did think that might be an issue but it also occured to me that my house just might not be as warm as if I heated 24/7. There is also the point that if I used 24 instead of 18 as ...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I'm honestly crossing my fingers, my toes, everything. That the specialist comes, caps the top 2 ports, runs the flow pipe to the pipe to the heating direct around the top of the 50L buffer, removes t...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Toodles, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa A High Loss Head?!😉
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Lol I've no idea, hence me not wanting them here anymore. The final straw was him saying he didn't think water volume was the issue. That to me said, they agreed to do work - suggested it with...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	How would that explain the temp difference across the LLH which you measure? More likely the air is in his head!
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	i should find out tomorrow. they’ve offered to come today but I’ve told builder need to speak to architect. Basically I don’t want them here anymore but will get architects advice Builde...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	So what have they done 'cos its got to be serious to get what you measure. Faulty secondary pump? Valve left closed? Fitted a bypass loop? The heat, if its generated, and water if its pumped, has t...
	RE: Heat Loss v Outside Air Temperature By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Thats exactly how I sized my heat pump. Surveys (2 off, each taking 3 hrs, one of which I paid £300 for) said 16kW, measurements of gas consumption said 7kW. The challenge was to persuade installers...
	Ecodan HW temp setting set itself to 40C By downfield, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	This morning I noticed that the HW was lukewarm and MELcloud told me it was 37C. I tried to boost the temp with both the Mixergy app and MELcloud but nothing much changed. Checked the HW set temp on ...
	RE: Is Your House Warmer Upstairs Than Downstairs? By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I suspect its mainly that you get the views. Upstairs too warm is going to become something of a problem as insulation gets better, particularly given the trend for open plan. Over on Buildhub there ...