ACI Home Performance Conference 2008

SAFE 3 - Solutions to Backdrafting: Integrated Approaches

Tuesday, April 08, 2008 · 3:35 PM - 5:15 PM

Upgrading to a direct vent system prevents backdrafting in a gut remodel or when cost is no object. However, in many existing projects cost remains an object. When that is the case there are still many options. They include: matching NFPA 54 vent details, pressure balancing, switching to low flow continuous ventilation, isolating mechanical closets and adding outside air, plus judicious upgrades of equipment. Individually or collectively, these strategies can manage spillage risk when designed in and tested out.

By attending this session, participants will

1. See examples of energy improvements that can interact to bring continuous and pressure-induced combustion spillage within limits

2. Learn to recognize pre-existing conditions that may create competition for air after tightening work

3. See how to better predict when it's best to go to power / direct vent without trial and error

Keyword(s): backdrafting, combustion appliance zone, combustion spillage, combustion venting, depressurization, duct sealing, existing homes, health & safety, mechanical ventilation, pressure balanced, priorities, spillage, techniques, venting, worst-case depressurization
Type: 100 Minute Session
Track: Combustion Safety
CEU: American Institute of Architects (AIA) American Society of Home Inspectors (ASHI) Building Performance Institute, Inc. (BPI) Residential Energy Services Network (RESNET) National Association of Certified Home Inspectors (NACHI) National Association of the Remodeling Industry (NARI)

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