Confused? I was. Unfortunately, there are two definitions of the term ‘building envelope.’

We don’t need to wait for regulations to catch up. We can implement good science now.

Uncontrolled air infiltration is like having uninvited guests in our home. We really want invited guests in and uninvited guests out. To achieve this we need to be in control.

If we do an HVAC job without the ‘V’ we end up with a HAC job.

“……it really needs to be done as a system” Mark LaLiberte.

Building performance is all about control. Once we have control over heat, air, moisture and toxins we can deliver a high performance building.

By insulating a building without considering the consequences we can inadvertently kill the building with kindness.