Description

As we push for higher performance from our houses, expectations for airtightness and ventilation are changing rapidly. Some changes will be needed in design to improve airtightness, and mechanical ventilation is likely to soon be the norm.

Scope

This article includes:

• Why do we ventilate?
• Airtightness and infiltration
• Target for airtightness
• Simple, practical ways to improve now
• Move to mechanical ventilation
• Even more airtight in the future