Green Homes News

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Properly sized and located supply outlets will maximize airflow and contribute to an HVAC system's longevity

Hi everyone. We live in an old log cabin in Central Sweden (Dalarna). So climate is long, cold, dry winters (down to -20 celcius snow on the ground from November…

It is sept 2023. In late may 2023 we had open cell spray foam installed through an energy rebate. We had it installed on roof deck/rafters. The floor has some…

I am about to install a AO Smith hybrid hot water heater. It has water connections on the top and the side. I assume an internal pipe takes the cold…

After seeing a few posts on here suggesting adding a capillary break before insulating rim joists, I would like to do that on my 1958 house.  However, I do not…

My situation is such that I am building a little cabin in zone 6. Almost 2 years ago, we didn't know all the information and built a t111 siding, tyvek…

I finally received a reasonable quote for my proposed compact ducted mini split system. However, I look at the specs and the proposed 3/4 T Bosch climate 5000 compact ducted…

Here's the situation. I'm renovating an old house in Climate Zone 6 (boarding zone 5) with the following existing wall assembly (from the outside in).1. Vinyl siding2. 1/4" foam board…

I have a few questions regarding my roof system. I am in climate zone 6. The current status is that the roof underlay is in place but there have been…

Hey everyone,I recently moved into a 1960s home (location Toronto/Canada), that has had air sealing done to it in the past. The blower door test came back at 4 ACH…

Location: W-434 A&B, Wexner Building, HKS, 79 JFK St., Cambridge

Join DRCLAS for a broad discussion with Izabella Teixeira on topics such as the challenges and opportunities of the United Nations Conference of the Parties (COPs) meetings for climate and biodiversity, worldwide natural resource management, and Brazil’s potential for generating sustainable solutions.... Read more about Sustainable Development and Challenges of the COPs

We had a Lochinvar - NKC199N (199,000 BTU) combi-boiler installed last fall. Our house is only 1,600 sq/ft and decently insulated so it seemed like overkill, but had to do…

I have a fairly messy band joist between my attached garage and house with joists from both sides coming through.  I was thinking to air seal and insulate it with…

Hi All, Zone 5. Western Ma.  First time owner/builder, building my own house.  Budget is tight, skill set is limited.I have the house framed, and fully dried in. 1/2" CDX…

We are trying to finish up plans with our builder for a new 1500 sqft addition with a 1500 sqft basement.  I've been enjoying reading through many of the articles here to…

Gable and roof vented Cape cod attic.Zone 4 SW MOI believe it's r19 between the ceiling joists with unfaced r30 rolled across it.I want to replace the r19 with r30…

We have framed a second floor deck above a patio out of beautiful locally sawn cedar joists and as per usual, it is framed level.  The client has now requested…

SummaryCan I add 1/2 foam board insulation over an air tight cut and cobbled wall cavity with irregular depths? (pics attached)Specs- 7' x 10'- ceiling: vaulted, no ventilation, has 4…

Hwody folks!  We are doing a project in Grass Valley, Ca, climate zone 9 I believe.  It is a single story house on a raised foundation with a large attic…