Green Homes News
I have a 1921 craftsman style home that I’m working on in the 4A/5A zone (St. Louis area). The exterior construction is two-course brick with a 1” wythe cavity, from…
For better or worse I am undertaking GCing our new modular construction pretty good house this spring/ summer in central MA. Part of this endeavor includes doing a lot of…
HPHW in 40-45F basement (I live in MA) I'm slowly getting rid of all my gas appliances, and in removing our boiler and switching to a HP, the basement is…
Ceiling/Floor assembly for sound break between exposed joists 25'x32', two stories: first floor 10' ceilings; second floor vaulted ceiling 5' knee walls to 12' peak The first 18' (of 32')…
Seeking Guidance: Expense Allocation for Project Manager and Site Supervisor Salaries in 50/50 Profit-Sharing Agreement In a potential 50/50 profit-sharing arrangement with a client for a custom home project in…
Our house was built in the 1950s and severely under insulated. We live in the Philadelphia metro area so we have cold winters and hot summers. The under insulation is…
Got the final set of plans back from the designer and they look pretty good - he implemented everything we wanted including lots of the constructive feedback received here on…
I've got an addition with an EPDM flat roof in climate zone 4a. The main house attic is vented.I understand that venting low slope roofs generally doesn't work well, and…
LG Art Cool Premier can supposedly modulate all the way down to 1023 Btu in both heating and cooling modes (it can actually go even lower than 1023 in heating…
Understanding blower door calculations beyond air exchanges per hour at 50 Pascals can yield useful information for achieving efficiency goals
I have been living in a new construction condo unit since November 2021. Two of my windows facing south tend to leak during storms. The builder came out and attempted…
A few customer reviews of the Greenfiber Sanctuary cellulose say it emits a terrible smell from their attics into their houses. They're only a small percentage, and they may have…
This might come as no surprise to those of you who engaged on my past posts… I had a great chat with our engineer today about the HVAC and though…
Happy New Year all. I am an architect renovating a Zone 5 vacation condo / townhouse with a cathedral ceiling. The original roof is 2x10 exposed rafters, 3" to 4"…
Building in CZ 6 in an area that seeing a good amount of snow. Question regarding zip roof sheathing and water and ice peel and stick....If you were installing zip…
Tropical Mountain Air Conditioning? The setting: latitude 10 degrees, altitude 1300m (4500'), daily temperature range: 12-24C (55-75F) more or less year round. Humidity: high in the short "dry" season to…
Looking for advice/feedback on the 2021 Energy codes. If I am understing correctly, the 2021 codes for climate zone 5 are as follows: R20 + 5ci,, R13+ 10ci, or 0+…
Minisplit comfort in leaky house zone 4a Hi, I was able to go from about 5200 at neg 50 cfm to 4200 at neg 50 cfm by doing closed-cell foam…
I looked through the q&a and saw a couple similar situations to mine but not quite enough for me to know if I can do what I want to do…
Hello,I added 2" of rigid foam to an unfinished portion of my basement walls in zone 4 (St. Louis,MO) and then added 16" oc 2x4 framing along with R-15 mineral…
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