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buffalobillpatrick · 06-25-14, 04:29 PM

I started a thread over in Solar Heating

http://ecorenovator.org/forum/solar-...-insulate.html

a couple of websites are linked, that combine Solar, HP, underground heat storage battery (large uninsulated tank (Austria 6600 gal.))

The website from Austria has a DHW tank with internal HX kept @ 42-49C, which can be heated at a fairly high COP by Heat Pump, without fear of Legionella.

06-25-14, 04:29 PM	#294
buffalobillpatrick Master EcoRenovator Join Date: Mar 2014 Location: Florissant, Colorado Posts: 599 Thanks: 814 Thanked 59 Times in 55 Posts	I started a thread over in Solar Heating http://ecorenovator.org/forum/solar-...-insulate.html a couple of websites are linked, that combine Solar, HP, underground heat storage battery (large uninsulated tank (Austria 6600 gal.)) The website from Austria has a DHW tank with internal HX kept @ 42-49C, which can be heated at a fairly high COP by Heat Pump, without fear of Legionella. Last edited by buffalobillpatrick; 06-25-14 at 06:22 PM..