Green Homes News

Advise to reverse negative pressure in our home

Green Homes 2 - Tue, 2022-08-30 16:07
We live in a 3000 square foot ranch in southeastern Wisconsin that was built in 2003 as a model home. There is a  2800 sq ft basement is framed/non insulated…
Categories: Green Homes

Basement ventilation system

Green Homes 2 - Tue, 2022-08-30 15:28
Hi,Finishing a basement area for habitation in Seattle (marine climate) and was planning on installing some type of air exchange system since the basement won't be connected to the forced…
Categories: Green Homes

Mitsubishi Ducted Mini – OK to turn on Dry Mode?

Green Homes 2 - Tue, 2022-08-30 14:35
Can anyone here advise on whether my ducted Mitsu units can be set to dry mode, or provide a contact at Mitsubishi Tech that will talk to a homeowner/end user?The…
Categories: Green Homes

Exterior Insulation to 1976 home in Climate Zone 6

Green Homes 2 - Tue, 2022-08-30 14:29
Hello,Located in MN, my house is 2x4 wall construction with a poly barrier on the interior behind drywall. The sheathing is a 1"-1.125" thick fiberboard, which I believe has an…
Categories: Green Homes

New construction home in Belmar NJ using mini splits

Green Homes 2 - Tue, 2022-08-30 12:49
We are building a new home in Belmar NJ and would like to go with all mini split or a partially ducted system. Estimates for a conventional ducted HVAC with…
Categories: Green Homes

Where Can I Purchase Cardinal Glass IGUs?

Green Homes 2 - Tue, 2022-08-30 11:30
Not having any success locating a Cardinal Glass retailer that will provide IGUs.  Any advice will be appreciated.  When I call Cardinal directly, the Cardinal operator forwards me to voicemail. …
Categories: Green Homes

Foam board under roof sheathing (but over rafters) for unvented cathedral?

Green Homes 2 - Tue, 2022-08-30 10:44
I am in Zone 3 humid/coastal NC and want to build an unvented attic and cathedral ceiling without spray foam.  Why do you need roof sheathing, then R-5 foam, then…
Categories: Green Homes

Log Homes

Green Homes 2 - Tue, 2022-08-30 10:35
Log homes were quite common in my area, and throughout most of Canada, until quite recently. Issues with code compliance and energy efficiency have made log construction both expensive and…
Categories: Green Homes

Anyone Attending SPI?

Green Homes 2 - Tue, 2022-08-30 10:04
Just curious to see if anyone on here will be attending SPI ( in Anaheim this year. I'll be there, and this community has been incredibly helpful, so I figured…
Categories: Green Homes

Placement of Dehumidifer Supply in conjunction with mini split head

Green Homes 2 - Tue, 2022-08-30 09:21
I've installed a handful of mini splits now, primarily in historic homes which have no usable duct work.  Since they're also being used to heat these homes in midwest winter,…
Categories: Green Homes

Help with Exterior Insulation in Climate Zone 5

Green Homes 2 - Tue, 2022-08-30 06:34
I'm in the process of adding exterior polyiso insulation to my small 24'x32' garage-apartment in Strafford County, New Hampshire (Zone 5) with the first six panels of insulation on. In…
Categories: Green Homes

wood stove install in 2 story house

Green Homes 2 - Tue, 2022-08-30 06:18
i have a wood burning stove and looking into how to install it. i have a 2 story house and would like to go thru the roof, not the…
Categories: Green Homes

The Power Plant of the Future

Green Homes 2 - Tue, 2022-08-30 02:00
Solar-battery hybrid systems are poised for explosive growth
Categories: Green Homes

New Construction un-vented roof

Green Homes 2 - Mon, 2022-08-29 21:33
Hello! I have researched the website over the past few months and I have some design questions that haven’t been answered or at least not what I have seen. I…
Categories: Green Homes

Framing Rake Walls

Green Homes 2 - Mon, 2022-08-29 12:28
Rookie framing question: I'm a little confused with code (2015) whether I need to: A. balloon frame the rake wall so that there is no hinge point, or B. have…
Categories: Green Homes

High Humidity in Attic Conversion

Green Homes 2 - Mon, 2022-08-29 12:07
Hello, my (new to me) 1920s house has a third floor attic conversation bedroom that gets very humid--it rained last night and it was 67% this morning--so I'm looking to…
Categories: Green Homes

Fujitsu Slim Duct and External Condensate Pump Overflow Safety Switch

Green Homes 2 - Mon, 2022-08-29 07:12
I have two Fujitsu Slim Ducts that gravity drain their condensate into an external condensate pump. My contractor set them up this way as one of the slim ducts is…
Categories: Green Homes

Fixing a Rotted Permanent Wood Foundation

Green Homes 2 - Mon, 2022-08-29 02:00
What to do when an old PWF shows signs of water infiltration
Categories: Green Homes

Manual J calculations

Green Homes 2 - Sun, 2022-08-28 23:16
I have entered the exact same data on three "Free" manual J calculations (by far more detailed than the others)servicetitan.comand pdhvac.comThey all gave me completely different numbers.coolcalc 90,000 btu's…
Categories: Green Homes

Flat plate heat exchangers for hydronics

Green Homes 2 - Sun, 2022-08-28 20:55
This is a spin-off of a recent question about air-to-water heat pumps and whether glycol is necessary. It would seem one way to reduce the amount of glycol needed would…
Categories: Green Homes


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