Green Homes News

Hi All,I have issues with a recently installed 3C30NAHZ4 with three heads. Summer went well in cool mode. I am in my first winter heating with the unit.Below -15c (5F), the…

I am purchasing a large piece of linoleum second hand, and the store the seller got it from no longer sells it nor can give me any info. We aim…

Hi,I have a new build with double stud wall that got a 0.47 ACH @ 50pa (156 CFM50) prior to insulation, vapor barrier and drywall. Now that the cold winter…

Hello - I'm wrestling with all sorts of ways to condition an attic in a cost-effective manner.  Builders in my area (Climate Zone 5) don't do over-roof insulation, so I'm…

I'm planning on using rockwool comfortboard as exterior, below-grade insulation for my monolithic slab. My climate zone only requires vertical insulation on the slab. Do I need to secure it…

While most of this advice applies year-round, there are a few nuances related to improving indoor air quality during the winter months

Tips and product recommendations for ensuring optimal heat pump performance under wet and potentially damaging conditions

True or False:AC's can lower indoor air RH. T/FAir that has just passed over the cooling coil will often have a very high RH (much higher than room RH), even…

Our home build is well underway and now it is time to think about the garage build. While we have a great contractor building our home, we have to do…

North America's first manufacturer of wood fiber insulation products for domestic distribution reports on its new operations

Hey all,The concrete sub messed up the front stem wall by making it 8 inches thick instead of 6 inches.  My bottom plate hangs over the stem wall by 1.5…

Context: 1991 home in the high sierra (zone 6B). House has double pane windows but being built in 1991 is not particularly airtight in my opinion. Furnace and ductwork all…

Hello,Maine zone 6.  I am doing a concrete free slab within a fpsf style bathtub curb.  Standard wing insulation, 4 inches of rigid below floor.   2x4 sleepers will rest on…

Want to decarbonize your home and commute? Here are some low-stakes steps to kick-start your electrification journey.

When my windows were installed, the crew installed canned foam against the flange, between the window frame and RO only to a depth of 1-2”, I have 2x6 studs and…

If both types of air handlers are being supplied by a heat pump, what's the difference between a ducted mini-split and a conventional air handler?We're gut renovating a house with…

Hello:  I’ll provide backstory, but first, the thrust of my question:  if I want an extremely airtight home, is my only _real_ option to condition the attic?Why I’m asking:I’m a…

I’m experiencing this problem that seems to be similar to an older post but the symptom is a little difference.I’ve 3 outdoor units each served 2 to 3 indoor units.…

A homeowner wants to fix a "bouncy" floor by adding a new beam. Do the posts need footings?

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