This webinar is a lecture on the principle of a heat pump. All Audiences heat pumps,HVAC sizing,residential You may also like 1:01:29 Commercial Air Barriers 1:06:08 Codes 101 59:31 Residential Building Science 59:08 IRC Chapter 11 Overview Part 1 59:52 Model Electric & Solar Ready Code – Residential 1:04:59 Model Electric Ready & Solar Ready Code – Commercial 57:03 Questions for the Permit Counter 1:10:41 HERS ERI vs IECC ERI 1:23 Residential Energy Code Submittal «12345…7»Page 3 of 7