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Green Building News!- Exposed Rockwool Comfortbatt in conditioned space?I believe you are allowed to have exposed Rockwool Comfortboard in your conditioned space. (e.g. as a thermal barrier over rigid foam when used to insulate rim joists in an…
- Second floor radiant heatingHi,I installed heat pump, staple-up hydronic heating in our first floor (from the crawl space), and we love it. We are now building out our second floor, which right now…
- wall assembly update when re-siding a 1957 split level near Philadelphia PAHello,I am looking to re-side my split level house located near Philadelphia PA in the next few years and am looking for advice on how to improve the wall assembly…
- Ground Roof on FPSFHello,I am working out the details on my fpsf, zone 6 coastal maine. I have 4 feet of wing insulation all the way around and I am using type II…
- Hot attic with ducts and gas appliances, feel limited on what my options areHello, My husband and I bought a small home built in 1930 in Texas (climate zone 2B). We finished renovating it a year ago. We are having some issues with our…
- Can You Add Dense-Packed Cellulose + Rigid Foam?I'm preparing to rehab a three-family home built in 1900 in Greenfield, Massachusetts. I plan to add dense-packed cellulose to the walls to bring me to R-12 and replace the…
- 11 Reasons to Avoid Oversizing Heat PumpsThe disadvantages of oversizing HVAC systems are numerous and should be considered if energy efficiency and cost savings matter to you
- Mitsubishi Rated Minimum Capacity vs Part Load Capacity ChartsHi all,I'm a homeowner looking to get a 2-zone minisplit system installed in my home and I'm trying to decide between the 20k and 24k Mistubishi MXZ outdoor units. My…
- Best approach to air sealing existing outlets?Currently engaged in an energy efficiency upgrade. We have largely figured out most of the air barrier and sealed with a mix of membrane (Henry Blueskin), tapes+liquids (Tescon and Visconn),…
- wall penetrations in ICFAny thoughts on the wisdom of running 1" pvc in the ICF forms to provide for the exterior outlets and lights? I'm thinking that doing it that way will minimize…
- Exposed Rockwool Comfortbatt in conditioned space?