Green Homes News

How to insulate old rock& granite cellar?

Green Homes 2 - Wed, 2022-07-20 14:43
We are doing a complete renovation to a 1780s era New England cape style home to modernize and bring is up to code. New walls and roof will be to…
Categories: Green Homes

How to divert water from small awning roof

Green Homes 2 - Wed, 2022-07-20 04:59
Hello, we are starting to install gutters on our new construction home. We have a small portico roof/awning roof on the back that doesn’t have any columns to hide the…
Categories: Green Homes

Designing a Mechanical Room

Green Homes 2 - Wed, 2022-07-20 02:00
Key considerations for ensuring a safe and efficient space for housing a home’s HVAC components
Categories: Green Homes

IGU Replacements for True Divided Lite Bow Window???

Green Homes 2 - Tue, 2022-07-19 21:00
This true divided lite 2x-paned window (pic attached) is on the east side of a home in climate zone 5a.  Today, while stripping to re-putty, the contractor pointed out foggy-ish…
Categories: Green Homes

Leveling old slab before insulating

Green Homes 2 - Tue, 2022-07-19 20:38
Q: Do I need to prep, epoxy and level (with self-leveling concrete) an old damp basement slab before I layer the following on top of the slab?- 8 mil poly,…
Categories: Green Homes

PVC vs polystyrene baseboard

Green Homes 2 - Tue, 2022-07-19 12:38
Hi hope all is well. Putting in baseboard in basement. Planning to use an alternative to wood for baseboards just in case of flood. Polystyrene boards are cheaper but what…
Categories: Green Homes

Heat Pump Versus Electric Water Heater

Green Homes 2 - Tue, 2022-07-19 11:49
I am designing a 2 story house for Asheville, NC. There will be a large, sealed, insulated and conditioned crawl space.Because the plumbing fixtures are far apart I am considering…
Categories: Green Homes

Oversized Split in Attic – High Humidity

Green Homes 2 - Tue, 2022-07-19 09:32
I have a 12k Fujitsu that is in my ~320sf finished attic outside of Boston. There is also another 50sf of storage space/unfinished. Attic has open cell spray foam (now…
Categories: Green Homes

Heating/Cooling solution for top floor of 1940s home – Mitsubishi heat pump?

Green Homes 2 - Tue, 2022-07-19 08:09
Hi all,New here and i've been reading up on the FAQs. I have been working with HVAC professionals to find a solution for a heating/cooling problem in my home and…
Categories: Green Homes

Affordable energy efficient doors?

Green Homes 2 - Tue, 2022-07-19 06:55
Hello, We are slowing upgrading our old farmhouse to as energy efficient as possible for what makes sense for this house renovation project as well as our budget. We need to…
Categories: Green Homes

Another Look at the Supreme Court’s Ruling to Trim EPA’s Powers

Green Homes 2 - Tue, 2022-07-19 02:00
The decision is a warning to other regulators
Categories: Green Homes

Experimenting with loose fill cellulose for scissor truss attic

Green Homes 2 - Tue, 2022-07-19 00:28
The consensus here seems to be that loose fill cellulose insulation will slip or slump if installed on a slope great than 4:12 or 5:12. However, I didn't run across…
Categories: Green Homes

GSHP Loop Sizing Per Ton?

Green Homes 2 - Mon, 2022-07-18 20:53
YES, I am very aware of the requirement to properly calculate the size of ground loops for a given ground source heat pump system, and that there are many factors…
Categories: Green Homes

Foam Foundation Systems

Green Homes 2 - Mon, 2022-07-18 14:46
Has anyone got experience with concrete free foam foundation wall systems? While looking at insulation options I came across a product called Polycore, essentially steel studs encased in EPS. I'm…
Categories: Green Homes

Trouble with GBA Login

Green Homes 2 - Mon, 2022-07-18 14:40
The GBA inform me that its in the "process of upgrading our subscriber experience" and I needed to change my password, except I can't find a place to change it.…
Categories: Green Homes

Hydronic Garage Floor Layers

Green Homes 2 - Mon, 2022-07-18 09:50
Hi. I’m in the process of building a detached garage and have just had the stem walls poured. I’ve been looking and haven’t seen a schematic cross section relating to…
Categories: Green Homes

NEC question – multiple panels on one feeder

Green Homes 2 - Mon, 2022-07-18 09:37
This isn't specifically a green building question, but I know there are people here who likely have experience with these parts of the NEC.(Diagram attached for reference)My current electric service…
Categories: Green Homes

NY roof insulation

Green Homes 2 - Mon, 2022-07-18 09:26
A friend has a commercial building in Scotia, NY with a full vaulted ceiling, built in the 70’s. The roof deck is 3x6 T&G Cedar planks with maybe 2” of…
Categories: Green Homes

Subgrade prep for raised concrete-less slab

Green Homes 2 - Mon, 2022-07-18 09:14
I'm building a small addition, ~16x16, with ICF stem walls scribed/pinned to solid bedrock.  Zone 6A. The interior will be filled and have a concrete-less raised "slab".  The bedrock varies…
Categories: Green Homes

Cellulose Insulation

Green Homes 2 - Mon, 2022-07-18 05:36
Hi There,New to this site, it was recommended this is a great place to get advice for home renovation questions answered. I live in an older home, that had 2×4…
Categories: Green Homes

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