Floor design
I used 1/2 oxybarier pex (the orange one). My runs are in 200-250 feet range. I have 10 zones and will buy 10 zone manifold. I did not finish connecting everything together. I did not buy pumps yet. I am too busy with my rig and other things outside of the house. Ideally I need to finish everything outside before rain starts. A/C Hacker thanks for the manual. Looks impressive.
The other part of heating is ventilation which people usually ignore. With hydronic system you have to set ventilation system. I am going to use HRV unit and I have large coil from walk-in cooler which will be used for circulating cold water(coolant) for cooling supply air in summer.
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