Green Homes News

New mini-split not heating properly

Green Homes 2 - Wed, 2026-01-07 08:19
In November 2025 I installed a Pioneer mini-split heat pump in our bedroom (model WYT25, single zone, 12,000 Btu) and it does not work properly in heating mode. Pioneer tech…
Categories: Green Homes

Wildfire Resilience – What Survivors Teach Us About Building Fire-Resilient Homes

Green Homes 2 - Wed, 2026-01-07 02:00
Lessons from wildfire survivors on creating homes and landscapes that reduce risks
Categories: Green Homes

Insulation for Unvented Roof, Mixed Climate with Metal Roof

Green Homes 2 - Tue, 2026-01-06 16:01
I've gotten myself all turned around and I'm hoping y'all can help me out. Really want to make sure to get this detail right and not have it be something…
Categories: Green Homes

OX-IS for Continuous Insulation on Remodel

Green Homes 2 - Tue, 2026-01-06 15:56
I stumbled across the OX-IS structural insulated sheathing recently and am struggling to understand why there isn't more buzz about this product (maybe limited availability?) https://www.oxengineeredproducts.com/product/ox-is/It seems superior to ZIP…
Categories: Green Homes

Induction Cooktops are Finally a Real Market Presence

Green Homes 2 - Tue, 2026-01-06 02:00
GBA connects with industry and health experts to discuss the state of induction ranges
Categories: Green Homes

Covered porch floor options

Green Homes 2 - Mon, 2026-01-05 19:15
We're adding an addition to our home (Chicago, climate zone 5), and one corner of the first floor has a 6'x6' covered porch, with basement underneath it and primary bedroom…
Categories: Green Homes

Using poly rigid foam as ceiling air barrier?

Green Homes 2 - Mon, 2026-01-05 07:45
I am building an ICF house in upstate New York. Originally I was going to just air seal the ceiling using drywall And then add a layer of vapor barrier…
Categories: Green Homes

The Technical, Practical, Applied & Operational Principles of Building Science

Green Homes 2 - Mon, 2026-01-05 02:00
How our understanding is evolving in our slow-to-change industry
Categories: Green Homes

1920s Small House Remodel – Insulation for a vented roof with 2×4 Rafters!?!

Green Homes 2 - Sun, 2026-01-04 13:00
I am getting close to starting a remodel of my house and this will be the first of probably many posts where I am looking for advice and/or validation of…
Categories: Green Homes

Heat Pump Recommendation/Advice Cold Climate — backup heat, ducted vs ductless, etc.

Green Homes 2 - Sun, 2026-01-04 08:48
Looking for advice on heating upgrades. I'm in west central Wisconsin (climate zone 6). Currently have a Bryant 60K BTU output propane furnace that I found out yesterday needs to…
Categories: Green Homes

Is this a safe wall assembly? Continuous Interior EPS

Green Homes 2 - Sat, 2026-01-03 21:30
I'm in south east Missouri on the border between mixed-humid and hot-humid in climate zone 4A.I am planning a wall as follows from exterior to interiorSiding (undecided)>rain screen>taped Zip sheathing…
Categories: Green Homes

Concerns with R-value differences between attic and cathedral ceiling

Green Homes 2 - Sat, 2026-01-03 21:10
Hi, I’m looking for guidance on R-value differences between a cathedral ceiling and a conventional attic in the same house. The house is 1100 sq.ft. The north side has a 500 sq.ft…
Categories: Green Homes

European windows/wrb

Green Homes 2 - Sat, 2026-01-03 07:45
I am in climate zone 6 and am building a home with 2×4 framing, 5/8 plywood sheathing r15 interior insulation and r10 2 inch gps exterior insulation. I am using…
Categories: Green Homes

What is Building Science?

Green Homes 2 - Sat, 2026-01-03 02:00
Few people understand it. Nobody agrees what it is, how to learn about it, or who's responsible for it. It has never been more important
Categories: Green Homes

Insulation for concrete partition wall in basement

Green Homes 2 - Fri, 2026-01-02 20:56
I have a poured concrete partition wall in my basement (see attachment). The side facing the large room will be insulated the same as the inside faces of the exterior…
Categories: Green Homes

Where to place the in celiing ERV

Green Homes 2 - Fri, 2026-01-02 16:22
Hi, in an effort to improve the air quality in my spec homes. I am adding ERVs in all new builds. This isn't required at all where I build and…
Categories: Green Homes

Does an ERV/HEV blow cold air in the winter?

Green Homes 2 - Fri, 2026-01-02 14:11
I am planning on installing a Panasonic Intelli-Balance 100 Energy Recovery Ventilator, FV-10VEC2, in my house, and I am wondering which rooms to put the exhaust and supply vents in.…
Categories: Green Homes

In-floor radiant boiler to air-to-water heat pump conversion in Maine

Green Homes 2 - Fri, 2026-01-02 11:42
Hi all,My friend's propane fired boiler just sh*t the bed and they're looking at replacements. They just had several ductless heat pumps installed. Not sure if there could be any…
Categories: Green Homes

Dense pack cellulose near Vancouver, BC

Green Homes 2 - Fri, 2026-01-02 11:04
(long time reader, first time commenter -- thank you all for the excellent resource!)I was hoping to insulate with dense pack cellulose (walls + roof) on a new, single family…
Categories: Green Homes

Removing Particulates from Indoor Air

Green Homes 2 - Fri, 2026-01-02 02:00
Although researchers know which indoor air contaminants are most injurious to human health, removing those contaminants isn’t easy
Categories: Green Homes

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