Raising the BARrier in North Carolina Mountain Home, Making it Super Air Tight!
The AIR Barrier at the ceiling plane, that is....
At LG Squared, we have experimented with many ways to design and build a roof assembly for a home. Without question, we have found the ventilated attic to be THE most effective.…Continue
Sparky Doubled the Air Leakage in this Home
This is the home.
This is the hole that Sparky (electrician) "innocently" made to feed a wire to the light on the front porch of the High Performance Bungalow. I discovered it a day or two after our home performance diagnostics team, Carl Seville and Abe Kruger, of SK…Continue
Building Science is Worthless...
Thousands of hours went in this construction detail. When we factor all the time spent by building science engineers, from all over the world,…Continue
Mini-Split Heat Pumps are Quirky and Still Effective
The name "mini-splits" generally refers to heat pump systems with one outdoor unit and one or several smaller capacity air handlers. The efficiency of their operation comes via the inverter compressor and variable refrigerant…Continue
It happened again yesterday: a new record (tell me if you know of a tighter house in Ontario if not Canada!) for air tightness was broken in Oakville by Certified Passive House Consultant (CPHC) Ed Marion of Passive House Ontario.
And this was just a pre-drywall test, so it can only get better from here.…
Before drywall was installed, I tested the infiltration (air leakage) at the Proud Green Home (PGH) at Serenbe,…Continue