Green Homes News

How Much Ventilation for Heat Pump Water Heater

Green Homes 2 - 5 hours 20 min ago
I have a heat pump water heater located inside of an interior closet. I put in a vent for the cold air discharge when it's running. Do I also need…
Categories: Green Homes

Does anyone do vapor diffusion ports in FL?

Green Homes 2 - 6 hours 3 min ago
I have a friend in the Miami area looking to condition her attic.  She does NOT want spray foam.  I told her that she can do batt insualtion under the…
Categories: Green Homes

Need Real User Feedback on the Best Electric Wall Heater

Green Homes 2 - 12 hours 14 min ago
I recently purchased what’s advertised as the Best Electric Wall Heater, and while I’m generally satisfied with it so far, I’d really like to hear honest feedback from real users.…
Categories: Green Homes

Oak Ridge National Laboratory’s Building Science Advisor

Green Homes 2 - 14 hours 29 min ago
An interactive tool for assessing wall assembly risk
Categories: Green Homes

Mini Split LIne Set knocking noise

Green Homes 2 - Sun, 2025-12-14 15:06
Hello!Recently had contractor install a multizone 3 head Mitsubishi mini split heat pump in zone 6. The 12k unit in the LR is at the opposite side of the house from…
Categories: Green Homes

Window Condensation

Green Homes 2 - Sun, 2025-12-14 13:42
Sorry for long explanation, feel like it's warranted to avoid getting the response that my problem is caused by daily living activities. It might be, but think there is more…
Categories: Green Homes

2″, Rigid, exterior Foam board – Does a “thin-brick” need a Rainscreen when place over this?

Green Homes 2 - Sun, 2025-12-14 11:01
Hello All,I'm working on the trim for the exterior siding.  All but one wall will be James Hardie 7" exposure lap siding over 3/4" rain screen battens.  The one wall…
Categories: Green Homes

Simple Question about Rockwool in 2*4 Studs

Green Homes 2 - Sun, 2025-12-14 09:32
Description:-In Northeast US.-2*4 stud exterior stud wall of residential home 100+yr old home-plank boards on exterior side of studs with clapboard siding on the plank boards Questions:   1. Can rockwool be installed…
Categories: Green Homes

Bath fan Condensation issue

Green Homes 2 - Sat, 2025-12-13 18:19
Climate zone 5A. I’m seeing condensation dripping from a newly installed bath fan. Due to framing constraints I had to use two 90° elbows to get the duct high enough…
Categories: Green Homes

Aquabar b vs Certainteed membrain

Green Homes 2 - Sat, 2025-12-13 11:13
I’m finishing off my garage and have the walls insulated with Rockwool comfort bats r15.  I’m located in Rochester NY. I know I should now install Certainteed membrain and then…
Categories: Green Homes

Exterior door for conditioned basement / crawl space foundation?

Green Homes 2 - Sat, 2025-12-13 09:04
Title pretty much says it all. I am designing a small conditioned basement / crawl space foundation which will not have access from inside the house for various reasons.  The…
Categories: Green Homes

How Low To Bring Metal Siding & Foundation Protection

Green Homes 2 - Sat, 2025-12-13 07:57
Our home design has our final grade 12" below the top of the stem wall. The joint between the exterior foam covering the stem wall and sheathing are air sealed…
Categories: Green Homes

Venting my Eaves

Green Homes 2 - Fri, 2025-12-12 20:29
Thinking about running my soffits with a quarter inch gap between each board. I have 2 ft eaves and the boards are 3 1/2 inches wide. I would run some…
Categories: Green Homes

How much a Kitchen Renovation Costs in Florida 2025?

Green Homes 2 - Fri, 2025-12-12 14:34
We often see homeowners underestimate how much kitchen renovation costs can vary depending on the scope of work, materials, and design choices. In many projects, plumbing or electrical upgrades add…
Categories: Green Homes

Concrete Basement Wall – Insulation and Moisture Control

Green Homes 2 - Fri, 2025-12-12 13:13
I am working on a basement renovation project in Long Island NY to create living space in an existing unfinished basement.  The basement has a 4" concrete slab and 8"…
Categories: Green Homes

Proposed Solutions for Residential HVAC Problems

Green Homes 2 - Fri, 2025-12-12 02:00
Experts suggest ways to improve the quality of residential heating, ventilating, and cooling equipment installations
Categories: Green Homes

Garage ceiling vapor barrier

Green Homes 2 - Thu, 2025-12-11 19:59
In Ontario, Canada for reference.I have a garage (a shop technically) that sits below our main bedroom as part of a new addition. 90% of the ceiling is composed of…
Categories: Green Homes

Safe upper humidity level while skim coating walls

Green Homes 2 - Thu, 2025-12-11 12:35
Climate zone 6. I’m having skim coat plaster applied on my second floor walls and I’m wondering what’s the safe upper range of humidity level I should maintain.Second floor is 1160…
Categories: Green Homes

Mortar touching sheating

Green Homes 2 - Thu, 2025-12-11 11:15
Hello. Climate 2 , 1980 brick veneer wall assembly. I discovered that the mortar in my exterior walls is about 80 percent in full contact with the interior fiberboard exterior…
Categories: Green Homes

Potential on-going off gassing of natural stone sealer?

Green Homes 2 - Thu, 2025-12-11 10:32
We are installing a variety of natural stone flooring, including terrazzo, slate, and marble.  It is our understanding that we will need a sealer for these areas, but would like…
Categories: Green Homes

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