2009 WSEC Home Duct Leakage Testing Requirements

The 2009 WA State Energy Code (WSEC) section 101.3.2.6 requires that ducts be tested in homes which replace any of the following equipment:

• Whole furnace system 
• Air handler
• Outdoor condensing unit (AC or HP) 
• Cooling or heating coils 
• Furnace heat exchanger 

The ducts must be tested in accordance with the requirements of RC-33 for total leakage. An affidavit must be completed by a qualified technician approved by the state, which must be submitted to the code official.

Pacific Northwest Inspections Group employees are certified to perform duct testing to the RC-33 standard, and has extensive qualifications and experience with duct testing in residential homes and commercial buildings.

In addition, we have the experience and specialized testing equipment needed to help contractors in troubleshooting ducting systems that are particularly difficult to seal with elusive holes and leaks.

Duct testing can be time consuming and difficult task to get good results, but you can rely on Pacific Northwest Inspections Group to help you save money and give you and your clients the best possible information about their home. They will appreciate our service and fell confident in the work that was performed.

Call us today to learn how we can better help you comply with the 2009 Washington State Energy Code 425.608.9553.