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- Insulating a guest room in Portland, Oregon
- ERV distance from stove
- Materials for vented cathedral ceiling
- Combustion air and/or exhaust air makeup
- Air barrier in stairwell between 2nd and 3rd floors and their HVAC zones?
- Two ductless minisplit heat pumps for climate zone 6A
- Less insulation under higher roof than lower=ice dam? How to drain water off of insulation board?
- What insulation can I add to my attic?
- Polyethylene as an air barrier in very cold wall assembly
- Is a hybrid heat-pump water heater worth it in a basement in the SE?
- Post your cut-and-cobble stories