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	RE: Is it the house or the equipment? By springswood, 4 days ago Forum Air-to-Air Heat Pumps & Air Conditioning
	Not to mention the 50+ year old copper pipes connected to a limitless supply of methane. 1kg of propane? Run for your lives!
	RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	An engineer friend of mine runs a boiler with WC. Because the plumber didn't fit the boiler's internal diverter valve, he had to implement a circuit to fool the boiler that the outside temp is sub ze...
	RE: Heat Pump Books For Beginners: The Ultimate Guide to Heat Pumps, Bodge Buster, From Zero To Heat Pump Hero & Britain's Heat Pump Shitshow By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@editor I agree wholeheartedly with your last post. Of course treating the installation as the product protects the installer and much of the regulation is 'by the industry, for the industry'. The sa...
	RE: Heat Pump Books For Beginners: The Ultimate Guide to Heat Pumps, Bodge Buster, From Zero To Heat Pump Hero & Britain's Heat Pump Shitshow By Mars, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I think Bart’s experience exposes and illustrates the fundamental design error. The scheme treats the installation as the product and the funding transaction as the measure of success. Neither is corr...
	RE: Is it the house or the equipment? By bobflux, 4 days ago Forum Air-to-Air Heat Pumps & Air Conditioning
	Yeah refrigerants are complicated. They need to have the right characteristics (enthalpy, pressure, temperature at the vapor/liquid transition) and also, preferably, non flammable, non toxic, and non ...
	RE: Is it the house or the equipment? By springswood, 4 days ago Forum Air-to-Air Heat Pumps & Air Conditioning
	Thanks @bobflux that's pretty comprehensive. Regulation of refrigerants is a new one on me. I'd imagine that's hard to predict. I was looking into second hand VW EV's for a friend the other week. When...
	RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house By Majordennisbloodnok, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Agreed, @jamespa and @judith. That’s just it. A fair number of us have reduced the flow temp as far as possible as a springboard to heat pump system design but @batpred’s the only one I know who actua...
	RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house By Judith, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Like @jamespa we ran our gas boiler at 55-60C for a year with 24hr operation and an overnight lower temperature. That was about the radiator limit and we couldn’t go down further in shoulder season b...
	RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	For a year I did the closest my boiler would permit. I ran 24*7 at it's lowest fixed ft of 50C (the boiler has an add on WC module, but I didn't possess this and it was 15 years old so not obtainable...