Building Science

6 Ways to Ventilate Homes in Humid Climates

Pros and cons of six systems designed to keep indoor air fresh, dry, and comfortable

Green Advocate

Adding Mechanical Ventilation to Old Houses

When should we get serious about supplemental air?

Green Building Curmudgeon

What is the Deal with Ventilation Requirements?

An increasing number of green building programs mandate compliance with the ASHRAE 62.2 residential ventilation standard

Energy Solutions

How Tight is Too Tight?

As houses get tighter, they becaome less able to 'breathe' on their own -- they need mechanical ventilation. Put another way, energy efficient houses deserve healthy indoor air.