Build It Tight, Ventilate It Right: Part 1
What is the difference between air tightness, air infiltration, & air leakage? People often make the mistake of thinking that an airtight building is a ‘stuffy’ building. This is not necessarily the case nor is it the intent of creating air tight structures. Airtightness is NOT the measurement of the amount of fresh air available to the occupants, but rather is the measurement of how much air will leak into and out of the home through undesirable locations, such as small cracks and holes in the building shell.

My office, as one of EAI's Education Specialists, is quite close to our classroom. Naturally, the classroom dialouge tends to drift over the walls, so I've become pretty adept at tuning it out. Every once in a while though, something catches my ear. The most recent example of this was a statement made at our Sustainability Training for Accredited Real Estate Professionals (STAR) class a few months ago. 
Energy efficiency is one of those few things in this world that nobody really dislikes. How many people do you know who wish that things would cost 


