ASHRAE 62.2 Residential Ventilation Training Heyoka Solutions, LLC is providing training in the application and implementation of the ASHRAE 62.2 residential ventilation standard. This is a 2 day, dynamic, hands-on training session that wo
Building Tightness Limits
Building Tightness Limits (BTL) can provide a guideline for tightening up a house.
(Parts of this are excerpted from The Residential Ventilation Handbook by Paul H. Raymer published by M