Green Homes News

Gap/air leak at prehung door at jamb directly above sill

Green Homes 2 - Sat, 2022-09-24 19:38
Has anyone used a door sealing product named "Corner Seal Pads" or "Door corner seals" made specifically for sealing the gap between the door and the jamb weather stripping, directly…
Categories: Green Homes

Slab Insulation Protection (Cement Board?)

Green Homes 2 - Sat, 2022-09-24 17:30
Hello All,Building a monolithic, slab-on-grade foundation with 2" of rigid foam (XPS) around the perimeter.  In a video on the "Eco Home Network" channel, they use cement board to protect…
Categories: Green Homes

Better to bury ducts in attic insulation vs put in unconditioned space?

Green Homes 2 - Sat, 2022-09-24 17:17
We live in Maryland just outside Washington DC.  A huge tree fell on our house, crushing the roof.  The house is a 2-story 5,000 sq ft colonial built in 1973,…
Categories: Green Homes

Heat Pump Hydronics and Hot Water System – Installation

Green Homes 2 - Sat, 2022-09-24 16:03
Hello,I recently did an interior remodel on my 1978, 1600 sqf home. I am in Zone 6a in California (Sierra Mountains). During the demolition, I installed Warmboard-R with Schluter membrane…
Categories: Green Homes

How to manage moisture in very shallow ‘crawl space’, as well as in finished concrete block interior stem walls.

Green Homes 2 - Sat, 2022-09-24 09:16
Longtime lurker. Just as a show of respect for the community, permit me to state that I have read tons of great threads, and countless articles by Mr. Holiday too,…
Categories: Green Homes

Vapour Barriers

Green Homes 2 - Sat, 2022-09-24 09:11
Hello is it more likely that more water vapour is carried through a wall assembly by air leakage than vapour Diffusion? Can the perm rating of a paint change over…
Categories: Green Homes

Crawl Space (to Vent or not to Vent) [Climate Zone 3 – SF Bay Area)

Green Homes 2 - Fri, 2022-09-23 23:18
We're undertaking a full renovation of a c.1920 house in the SF Bay Area.  The house has an existing crawl space (varies in height between 6'6" and down to perhaps…
Categories: Green Homes

Ducted heat pump retrofit

Green Homes 2 - Fri, 2022-09-23 13:55
We have a 1200sqft, single story (with basement) in Zone 6 (northern New England). Built in the 1950s, it’s been upgraded with insulation (R60 attic, blown fiberglass in the 2×4…
Categories: Green Homes

No C-Suite Is an Island

Green Homes - Fri, 2022-09-23 11:51
September 19, 2022

Panelists welcome ESG progress but say corporations should speak out on democracy and back climate pledges with more robust action... Read more about No C-Suite Is an Island

Categories: Green Homes

A Better Understanding of Crop Yields under Climate Change

Green Homes - Fri, 2022-09-23 11:44
September 19, 2022

Research by former HUCE fellow Jonathan Proctor solves long-standing mystery of how water impacts agricultural production... Read more about A Better Understanding of Crop Yields under Climate Change

Categories: Green Homes

Global Energy Transition Talk

Green Homes - Fri, 2022-09-23 10:00
Location: Room 369, Belfer Center Library, Littauer Building, 79 JFK St., Cambridge

Join the Environment and Natural Resources Program for their next Global Energy Transition Talk featuring Gustavo Manrique Miranda, Ecuador's Minister of the Environment, Water and Ecological Transition.... Read more about Global Energy Transition Talk

Categories: Green Homes

Ducted Heat Pumps with ERV’s

Green Homes 2 - Fri, 2022-09-23 06:44
I ran across these while searching the web. Do these eliminate the need for separate ERV's? Seem like a great idea.https://www.mitsubishicomfort.com/residential/products/ducted-air-handler#scrolled?modelID=SVZ
Categories: Green Homes

Flashing at base of repaired wall

Green Homes 2 - Fri, 2022-09-23 05:45
This house is 100+ yrs old. The back wall was buried in dirt and built up gravel. Moisture rotted the sill, band joist, bottom plate and some of the vertical…
Categories: Green Homes

Benefits of Solar Power Battery Backup

Green Homes 2 - Fri, 2022-09-23 02:00
Solar-plus-storage means more versatility, potential savings, and protection when the grid goes down
Categories: Green Homes

ERV Recommendations

Green Homes 2 - Thu, 2022-09-22 20:15
Does anyone have any suggestions about what ERV to buy? I am looking for a unit capable of 60-80 cfm. Panasonic? Broan? Renewaire? Other? Not looking for a Zehnder. I…
Categories: Green Homes

Detached insulated garage with unvented roof assembly

Green Homes 2 - Thu, 2022-09-22 18:14
Hello all. I'm detailing out a detached insulated garage with an unvented roof. Curious if this would be a place to use an interior barrier like intello-plus and possibly use…
Categories: Green Homes

Missed Thermal Bridging in the Slab

Green Homes 2 - Thu, 2022-09-22 18:05
We missed putting the thermal bridge in the doorway and just poured a 4" slab through it. Is there any reasonable solution? Climate zone 5, Salt Lake City. See attached…
Categories: Green Homes

Environmental Humanities Reading Group

Green Homes - Thu, 2022-09-22 16:00
Location: HUCE 429, 26 Oxford St., Cambridge

Join this interdisciplinary environmental humanities reading group for scholars interested in the intersections of media, computation, epistemology, and the environment. For access to reading materials and the schedule, email the below contacts.... Read more about Environmental Humanities Reading Group

Categories: Green Homes

Joonho Lee

Green Homes - Thu, 2022-09-22 13:45
Assistant Professor of Chemistry and Chemical Biology (Starting July 2023) Research Interests

Joonho specializes in theoretical and computational chemistry for studying energy-related problems such as solar cells and...

Read more about Joonho Lee joonholee@g.harvard.edu
Categories: Green Homes

Hydronic Coil in Conjunction with ERV/HRV

Green Homes 2 - Thu, 2022-09-22 13:30
With more A2W heat pumps coming on the market, I wonder if there are decent options for a hydronic coil implemented inline with ventilation air.  I don't mean to use…
Categories: Green Homes

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