Blower Door Testing

Duct Leakage Testing

(TAB) Air Balancing

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Steps to a Successful Project

Getting the details right the first time is critical because repairing duct leaks and envelope air leaks after they have been covered with drywall is time-consuming and expensive.  It is worth taking some extra effort up front, especially for the first few projects under the 2018 IECC, as the construction team gets used to the stringent new performance requirements.

A conservative approach would include the following steps:

  1. Identify an energy code compliance specialist (with testing capabilities) to assist with the project.
  1. Perform testing on a recently constructed building to determine how your standard construction methods perform in relation to the code requirements.
  1. Train critical staff on the energy code requirements.
  1. Select a code compliance pathway and complete any required software analysis.
  1. Integrate insulation and air sealing details into the project plans, specifications, and contracts.
  1. Begin construction.
  1. After the building is framed, complete on-site training of contractors and site staff.
  1. After the building is insulated, but before drywall is installed, inspect air sealing and duct sealing details.  Rough-in testing of duct leakage could also be completed at this point.
  1. Complete construction.
  1. Complete post-construction blower door test and duct leakage test.
  1. Submit documentation to local code official.

After a few successful projects, it may be possible to streamline the process.

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