Green Homes News

I'd like to install a heat pump so I'm wondering whether it's best to hire an engineer to do this or just trust the HVAC installer who has installed this…

First know the basics, then consider all the factors that go into a good makeup air system. Then install a modest-size range hood with the right capacity.

My house is built with poroton blocks (aka porotherm), similar to aerated blocks. It's standard here in Italy. I can't do internal insulation since it would lose too much living…

System is seven year old Enertech. Started getting high head pressure lockout. HVAC company scratched their heads as to the cause, plumber declined to even come out, so I took…

Location: Tsai Auditorium, 1730 Cambridge Street, Cambridge

"Brazil´s Mining Catastrophes in a Global Context", a panel series.

... Read more about Predatory Extractivism

I'm in the design and development stage of a project with a vented flat roof (don't tell Martin).The roof has I joist framing with a sarking membrane and dense pack…

I have an 1100 square foot 1980s built house in climate zone 6 with a full basement, much of which lies above ground. I have already insulated the interior of…

Hello,Approx 2 years ago while doing a gut renovation on our home, we had a new Mitsubishi hyper heat mini split system installed.  We installed spray foam insulation throughout and…

I was getting settled on having a contractor extend the vent baffles in my upper attic to the ridge vent and then apply OC foam w/ vapor barrier spray. This…

I have a 100 year old triple brick house with a brick foundation. I replaced the foundation on 2 sides with poured concrete. The house is semi-detached so I am…

Waco Independent School District demonstrates the potential of nano-modified concrete

If you've shopped around for the most efficient skylights in North America, you'll find two things.1.) the U-factors are much higher than windows with an equivalent glazing type (double pane,…

Hey GBA! Let me start by saying that I am aware “green roofs” or vegetated roofs don’t make much sense from a building science perspective. No, Joe Lstiburek, I am…

About to build a single story over a basement house in zone 5a in western North Carolina. All electric. I was considering a wood stove for heat/cooking in the event…

The focus on building energy-efficient and eco-friendly homes brings attention to an important yet often overlooked aspect: roofing......

choosing the right provider for air conditioning service Los Angeles is crucial to staying cool and relaxed during the summer season....

Hey all. We're doing a gut renovation of an old victorian in the Bay Area. Climate zone 3. Insulating and air sealing to "pretty good" standards. We have three floors…

The Pretty Good House book describes an interesting detail at the rim joist, where we could recess the rim joist 2" and put 2" rigid exterior insulation in this location.…

I need help understanding how to deal with air barrier and insulation challenges with roof trusses that do not have a consistent ceiling height. My intention is to have a 2/12…

Hello we’re building a two story addition to our home and have decided to use helical piles instead of concrete slab on grade foundation. Each unit is around 950sq. Now…