Green Homes News

Hey everyone!I plan on using Airtight Self-Gasketing LED downlights in my drywall ceiling, and will have blown in cellulose on top of them.When it comes time to replace the downlights,…

How well does it handle cooling loads during a heat wave?

Hello,Background: I am trying to model the heating and cooling loads for my future home using EnergyPlus. I want to investigate different building construction methods and window options that would…

Location: 79 JFK St., Cambridge

Join the HKS Institute of Politics as the prime minister of Croatia, Mr. Andrej Plenković, reflects on Croatia's path from its war of independence to becoming a fully integrated member of the EU and NATO.... Read more about JFK Jr. Forum

I covet any and all advice/encouragement. I am currently in analysis paralysis mode... Due to this mode, I am (literally) still living in a tent. I'm in zone 3a in…

Semester: N/A

• Professor: Scott Curtis Stenger
• Term: Spring
• Day: M
• Time: 6:30-8:30PM
• School: Harvard Extension SChool 
• Course ID: 26432... Read more about ENVR E-181. Sustainability Solutions for Small Businesses

I'm currently finalizing the contract with my GC for finishing a currently-unfinished in-law space over a 2-car garage (SE PA, border 4A/5A)It's about 400 sq ft with vaulted ceilings, and…

We recently replaced our oil boiler with a heat pump and now need a heat source for our basement. Trying to decide between pellet stove and wood stove. The previous…

Building a home in Zone 6B (cold and dry), and installing a Daikin VRV Life electric air source heat pump, which is rated to -4F. I noticed a line item…

Data-supported strategies and systems for transitioning away from fossil fuel and toward all-electric energy

The awesome GBA article, "How to Insulate An Unvented Low Slope Roof Assembly?" and PNNL both advise to use spray foam directly below the sheathing for an unvented attic if…

Zone 5 - New Construction.I'm thinking of a flash and batt application for my roof line to save some money versus all closed cell. The contractors I talk to are…

I'm in the process of putting up 2" exterior polyiso around a 24' x 32', two story house in climate zone 5 (central NH). There's a rain screen between the…

Location: B-500, Bell Hall, Belfer Center, 79 JFK St., Cambridge

Doyne Farmer, Director of Complexity Economics Institute for New Economic Thinking, University of Oxford, will present "A Fast Green Energy Transition is Likely to be Cheaper than Business as Usual."... Read more about Growth Lab Seminar

Location: Zoom

Join the Climate Justice Design Fellowship group for a presentation by Margaret Kosmala.... Read more about Climate Justice Design Lecture

Hi there. My husband and I moved into our newly built energy efficient house about a month ago. We live in Zone 5 and have a slab-on-grade foundation. Our stem…

When windows or doors are protected by a gable roof overhang, can I exclude the head flashings?  In this instance, rain would have to drive at an angle greater than…

Hi all, I have an insulation question. My house was planned as a slab inside 5' frost walls (zone 6 southern coastal maine). After walls were poured the builder at…

Hi, I am in zone 4a.Trying to figure out how to prevent conditioned crawlspace from becoming swimming pool while under construction and after completion of house?Since I am building by…

Hello. My house is now finished but it came to my attention that my cathedral ceiling (with no attic over) is neither spray foamed or has rigid board and is…