Diagnostics & Audits

2018 HPC National Conference Session

Diagnosing CAZ Test Failures

Tuesday, April 24
10:30 AM - 12:00 PM
Location: Salon A (5th Floor)

You have set up a house for worst case depressurization and started the water heater up and you find combustion spillage. Now what. Is the cause a blocked or deteriorated chimney, undersized venting, too many vent elbows, too much depressurization caused by fans or the air handler or closing doors. Is it a combination of two or more of these? Should you replace the water heater? Gathering good data is critical. We will present a pressure graphing software and an easy to use spreadsheet to calculate CFM flow from house depressurization numbers. Come learn from an instructor that worked in the Minneapolis Sound Insulation Program, which became the basis for the BPI Combustion Safety Procedures, as he takes you through a step by step process to help diagnose the issues and present many practical solutions.

Learning Objectives:

Paul Morin

Technical Support and Sales
The Energy Conservatory

Paul Morin spent years as a carpenter framing new homes before becoming a weatherization auditor in the early 90’s. Paul then worked for 12 years for the Center for Energy and Environment diagnosing building shell, combustion spillage, and moisture problems in single family and multifamily buildings. Seven of those years were spent in the Sound Insulation Program around the Mpls / St Paul airport as a field technician and also creating combustion spillage and ventilation work scopes. He has worked for The Energy Conservatory since 2009 providing technical support and has developed dozens of presentations and webinars.


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Diagnosing CAZ Test Failures

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