A deep energy retrofit in Concord, MA illustrates everything you need to know to bring a house to energy überville
Built tight and verify. And then ventilate.
You can't stop heat flow, but you can keep your floor from becoming a big ol' heat sink
The final step: center it in the opening, and seal the perimeter
Flashing an In-Betweenie window is a lot like flashing an Innie or an Outie, only it is somewhere in between
Everything there is to know (well, almost) about blower door testing with a few engineer-y jokes along the way.
An affordable insulated slab foundation suitable for climate zones 4, 5, and 6
Turns out, ducts buried under insulation actually can work to save energy and eliminate condensation inside the ducts. If you seal and insulate them first
Blowing a thick bed of insulation into an attic is really a two-person job, but you can do it by yourself if you have to
An affordable insulated slab foundation suitable for climate zones 1, 2, and 3
A tight path to the outdoors keeps the indoors fresh and you can call it a day because you’re one step closer to the Energy Star.
A few really cool tricks and a Master Class at the end
An item on the Energy Star Thermal Bypass Checklist. Item 5.1.2, to be exact ...
The air sealing process for a high performance home with double-stud walls.
Tight makes right behind tubs and showers—because they can be *ruff* to retrofit
You can dig in to the roof without adding more insulation, but you can't dig far
Thermal shorts and good design don't mix
With blower door tests in the building code, it is up to more than just the insulators or the GC to deliver results: many trades have a stake.
Weather Barriers done right means weather barriers that go to work on more than just sunny days
The biggest hole in the bathroom