Green Homes News

I've been perusing the forum and can't seem to find a straight answer. Located in Maine (climate zone 6). I'm looking into ordering some reclaimed polyiso foam board for exterior…

Should all exterior openings be sealed or open during a blower door test?When my GC did the first test (they had their own staff do the test) it was before…

Hello –I have a 1905 house in Seattle, WA. I want to insulate the walls in the above ground basement walls from the interior. The house has 4 layers starting…

If I am planing to cover the ceiling of a cathedral framed room with t&G boards, would the 1" foam on the bottom of the rafters that a lot of…

We are climate zone 5 with an unconditioned space above the house with zip walls and Siga Majrex on the ceiling.  We want continuity on air sealing from the zip…

Location: Harvard University Center for the Environment, 4th Floor, 26 Oxford St, Cambridge

Salata Scholars Seminars are dedicated to climate, sustainability, and environmental work done by Harvard students and fellows. Its goal is to embrace the interdisciplinary nature of sustainability research that can’t be confined to a single Harvard school and help like-minded people connect with each other.... Read more about Salata Scholars Seminar Series: Breaking the Mould- Understanding Opportunities for Off-Grid Sector in West Africa

Hi, everyone. I've been visiting this forum for a while while doing some renovations on a small off-grid cabin in southern Vermont that was built very badly and recently. Now…

Our 1,400 sqft home is being designed as a slab on grade. We had planned to have one mini split for the home with ceiling fans in each room. Our…

We are building a home with 4x8 exterior walls in zone 6 (Wisconsin). Due to cost, exterior insulation was not an option so the plan is: vertical corrugated metal siding,…

Dogs sometimes eat grass for reasons like needing more fiber, soothing an upset stomach, boredom, or simply due to instinct. This behavior is a common part of Dogs habit, and…

Market forces and government incentives are creating a growing number of renewable energy jobs

My cousin is planning on building a 5000 sq ft work shop. In one section comprising 1/3rd of the shop (which will be isolated,  have a ventilation system and be…

Hey all,We're preparing to order our windows and need some feedback on interpreting the "Glass and Glazing" section of the 2018 IBC (atch'd). The window manufacturer/sales rep has made recommendations,…

I am remodeling a shed and would like to insulate the floor. Its a 12x16 shed with metal joists that are spread 24in apart and are 6 inches in height.…

Shout out to all my lovely hers raters! Im curious: what is the highest air changes per hour (at 50pa) you have ever seen on a blower door test for…

Location: Rubenstein 414ab, 79 JFK St, Cambridge

Join us for an Energy Policy Seminar featuring Nicolas Stevens, a researcher at the Center for Operations Research and Econometrics and a visiting researcher at the Belfer Center. Stevens will compare different pricing approaches for dealing with non-convexities in electricity auctions.... Read more about Energy Policy Seminar: Pricing Rules for Electricity Auctions with Non-Convexities

I have an approximately 100 year-old bungalow in climate zone 4A (Maryland).  It’s time to replace the roof (gable with front and back dormers).  The roof is unvented.  My question…

Imagine transforming your home into a green haven while ensuring your family's health.

Hello,My family and I live in Anchorage, Alaska (climate zone 7) in a large modern home built in 1984. It features a flat roof, no overhangs, many windows, and sheetrock…

Do better insulation and new heating-cooling equipment warrant mechanical ventilation?