Green Homes News

I’m building a shop-on-top-of-garage in a 6B/5B climate zone (my county was changed in the last decade from 5B to 6B, but my particular location is probably closer to 6B…

I'm a developer of 76 unit microunit apartments in Florida (avg sq ft 300) and am exploring hvac options. I like the accessibility and maintenace of PTACs and VTACs but…

I'm renovating what used to be a detached single garage (12x24ft). The car door has been removed and I'll be sealing and insulating it so I can efficiently heat it…

Hi all,We have an attic space above our house and garage and have built an unvented and conditioned attic with the HVAC heat pumps/ducts in the attic space. We close…

We have Siga Fentrim 4” tape to seal the plane between the bottom of our sheathing and exterior insulation. My question is, there is a fairly large air gap between…

The codes and processes of blower door testing commercial buildings

Hello, very soon my new Andersen wood-clad e-series casement windows will be arriving to replace my existing damaged windows. I’ll be doing a full-fin replacement so interior and exterior trim…

Hi, long time reader and practitioner, but 1st post :-) I'm hoping for some of the talented wisdom I often see here...QUESTION:  1) do i break rule of no double vapor…

Hi all, looking to replace a tiled roof in CZ3b.Currently there is a tile roof, un nailed over a felt underlayment. Most contractors want to use some type of peel…

I’m in climate zone 5. I have large old double-glazed windows (R-2?) in rooms that are rarely used. Can I safely apply an insulating panel directly onto the interior surface…

I live in Maine in climate 6 and have an existing 15kbtu hyper heat minisplit downstairs and was thinking about adding another unit in an upstairs bedroom that's about 200sqft.…

Proper water management details start outside

This is a great community, thank you for all the education and content. I am renovating a 200 year old house in southern Maine and I'm trying to form an…

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I am working on some planning for a few detached single family homes with my local affordable housing group and we are discussing our options for heating and cooling.  The…

Integrating Solar-Ready Storage to Add Resiliency to Any Home

After smelling rotting death in our newly built home since we moved in this spring, the mystery was recently solved.Sometimes the smell was very faint, sometimes the basement reeked. The…

Considering a UV purifier for water in my home under construction.  I know there are other options, but even less familiar.Any feedback, experience to share, recommendations?

Haven't been able to find a similar question in the archives so here goes:Building a 3 car detached garage with a 900SF apartment above built to PGH standards.  Planning to…

Hello,I live in Virginia, and we are currently on an adapted version of the 2021 IRC. I know that this is a rookie question, but the fastening requirements of Chapter…