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should I use an air source heat pump in a Passive House?

Iain cunningham March 27, 2019, 9:31 p.m.

Iam looking to install ASHP ,HRV, UFH in slab, arin harvester , log burner, do I need all this or can I do without ASHP? Or can you advise me on a better system to install? I'm building 2 bungalows that are 120-125m2  on a polished slab.

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