I have a floor plan, and would like to have some input on how many zones I should have. It is a two bedroom, two bath, with a study, kitchen/living room.

I've been thinking that there should be six zones. All rooms separate except for kitchen and living room, since they share the same large open space.

I'd like to hear what may be the pro's or con's or improvement of this configuration of zones.



Also, I'm looking for recommendations on where to get a tube layout. And also where the best place to get the PEX is. I've used Pexsupply in the past.

Thanks!

overzoning costs money and adds complexity, points of failure, and increases cycling concerns.

Sometimes such zoning is necessary to ensure comfort, but it depends on the heat load characteristics of the spaces. Generally, we find design can be pretty cost effective when compared to overkill techniques used to ensure good results without it. You might only need 2 zones, for example.

the first question is who do you want to work with. Typically that would be who you do business with.

Oh, I hadn't thought about the thermal characteristics of individual rooms.

I see this is going to be more work than I expected. I'm guessing each room needs to be analyzed.

Any advice would be helpful. I'm actually in a big hurry since we start foundation work in a few days. And by advice I mean where to start.

I did this process last year, but with one zone, and design was a big waste of time. I ended up abandoning the expensive design and just building my own slimmed down design which I'm  very happy with. But this is different. I think.

I think you're right. it's pretty different doing a single zone system than a multiple zone system. room by room load calcs is an important first step.

Every proper radiant floor design starts with a computer generated heat load analysis saving much time, money and waste.

Thanks you guys. I appreciate your help. I've started the job with someone I've already been working with. I should have results by the end of the week.