Ventilation Training Class including ASHRAE 62.2-2010
Residential ventilation is a critical part of home energy efficiency. Ventilating it right allows the home to be made tight. The ASHRAE 62.2-2010 Standard is a system blueprint and should be applied as such. It provides sizing procedures for whole building and local exhaust ventilation, outlines the equipment parameters, and requires installed system testing. This course starts with defining why ventilation is important and its role in tighter homes. It moves through the fundamentals of the standard including exercises in applying the formulas, selecting the equipment, recommending installation details, and testing the installed performance in typical homes. It provides tools for applying the Infiltration Credit to reduce the whole building ventilation rate, applying the Existing Fan process in Appendix A that allows existing fans to remain in place, and sizing the fan and programming controls for intermittent operation. Because there is a homeowner perception that running a ventilation system all the time is a serious waste of money, the costs of ventilation need to be clearly understood. And that leads to the ability of the installers and program managers to be advocates and be able to promote the use of the installed systems. So the course comes back to the importance of residential ventilation. If homeowners shut the systems off, even the best installed system won’t work.
By attending this session, participants will:
• Be able to understand the importance and promote the use of residential ventilation;
• Be exposed to different ventilation equipment choices;
• Be able to apply different control strategies including intermittent operation;
• Appreciate the impacts of quality installation techniques and materials;
• Discover inexpensive methods to measure CFM;
• Understand proper ventilation system documentation;
• Experience the elements of ASHRAE 62.2-2010;
• Appreciate how ASHRAE 62.2 will change the role of BTLa/MVG;
• Be able to calculate ASHRAE 62.2 whole building and local exhaust fan CFM.
The course is a combination of slides, individual and group on-paper exercises, and hands-on exercises using props and diagnostic tools (if available).
Course includes 2 days of instruction (November 29 & 30), lunch each day, textbook and additional class materials on USB.
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