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- Attic air sealing, insulation identification, and best course of action
- Insulating rim joists with low-density EPS
- PV panels required to power electrical boiler to replace propane boiler
- Tyvek with closed cell spray foam?
- HRV with pre-heat
- Hydronic 5/8 pex radiant leak in concrete
- Roof leak
- Insulating concrete wall that is both above and below grade
- Heating with electric help
- Mineral wool and vapor barrier in zone 4A home?
- Concrete slab details
- Crawlspace encapsulation help (take 2)