What’s the Difference Between Energy and Heat Recovery Ventilators? On the Mastering Building Science discussion board, Allison A. Bailes III, PhD asks students: What is the difference between an ERV and an HRV? Allison A. Bailes III, PhD: In the homework, I asked, “What is the difference between an… Continue reading “What’s the Difference Between Energy and Heat Recovery Ventilators?”
Air, Thermal, Vapor & Water Control Layers in Wall Assembly On the Mastering Building Science discussion board… Allison A. Bailes III, Ph.D. answers student questions about air, thermal, vapor and water control layers in wall assembly. Student 1: I’m going to repeat what’s been said about the control layers in my… Continue reading “Air, Thermal, Vapor & Water Control Layers in Wall Assembly”