This webinar is a lecture on the principle of a heat pump. All Audiences heat pumps,HVAC sizing,residential You may also like 53:37 Building Codes Q & A Session 57:12 Commercial Existing Buildings and the Energy Code 1:00:35 The Reality of the Residential Prescriptive Path 53:37 Building Codes Q & A Session 8:56 Continuous Insulation 50:57 Residential Existing Buildings 7:10 HRV vs ERVs 1:00:52 Unusual Spaces and the Energy Code 1:06:05 Requirements for Energy Code Permit Submittal «1234567»Page 4 of 7