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CrankyDoug · 05-15-18, 05:57 PM

Well, not exactly dual zone. I would like to use a single outdoor unit with downstairs wall unit for heating and an upstairs wall unit for cooling.

Our house layout is open between the two floors. The basement stays cool with only a window shaker upstairs in the summer. In the winter we need to heat the basement and the upstairs stays warm from convection.

Rather than buying a two-zone system I would be perfectly happy if I could switch the zones manually each spring and fall. Just a few ball valves and switches should do it.

Anybody see a problem with this?

05-15-18, 05:57 PM	#1
CrankyDoug Apprentice EcoRenovator Join Date: Jul 2016 Location: Georgia Posts: 100 Thanks: 6 Thanked 14 Times in 11 Posts	Dual zone mini split Well, not exactly dual zone. I would like to use a single outdoor unit with downstairs wall unit for heating and an upstairs wall unit for cooling. Our house layout is open between the two floors. The basement stays cool with only a window shaker upstairs in the summer. In the winter we need to heat the basement and the upstairs stays warm from convection. Rather than buying a two-zone system I would be perfectly happy if I could switch the zones manually each spring and fall. Just a few ball valves and switches should do it. Anybody see a problem with this?