My question concerns the best way to ventilate a remodeled post-and-beam open plan house.
We reduced our post-and-beam house to its beams and are building it back up again, but with no walls except for those in the two bathrooms. The house is 900 square feet with an attached solarium of 200 square feet. There is a loft area that covers about 60 percent of the ground floor. We have a cathedral ceiling with 6 inches of closed foam insulation between the shiplap ceiling (showing the exposed beams) and the roof sheathing (similar to that shown in FHB O/N 2007). The walls will have 3 1/2 inches of closed foam insulation.
The plumbing is stacked with the upstairs bathroom over the downstairs bathroom (which itself is next to a laundry cupboard).
As I indicated, the house plan is completely open. I read with great interest the comments on ventilation options, but my situation is slightly different from that of other questioners.
The house is located in Southern Maine about 15 miles inland from the coast.
Should I just use only bathroom exhausts or an HRV system exhausted through the bathrooms, both bathroom exhausts and and a separate HRV, or some other option?
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