How to do a root cellar into low-energy Wisconsin home
I’ve been working on a set of plans for a new house design in Northern Wisconsin to be owner-built next year.
I am planning a full basement underneath a single story house. I’ve attached renderings of the house and schematic of the basement. Basement is 8″ wall with 2″ of mineral wool then a 2×4 framed energy wall with mineral wool batts.
I am wondering what the best way to add a root cellar to the basement would be? Ideally, this would be a very cool (32-45) and high humidity room (80-95%).
1. Is this a bad idea to try to integrate into the home?
2. If it is not a bad idea, what is the best way to do this?
I’ve attached an image with the two ways I can think of doing it–a sectioned off room in the main part of the basement within the thermal envelope (and accept whatever temp and RH that gives me by not heating the space)
adding a root cellar in what is now crawlspace underneath the main floor of the house, potentially not insulating that space and insulating under the floor deck above…
Thank you in advance.
PS. Unrelated add-on question: I am using 2x12s for floor joists throughout. Can I have a small area above the stairs to basement where I switch to 2x8s (as shown in diagram) in order to get more head space? No load bearing walls above.
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