Retrofit Installer Technician: Mechanical Systems

Dates: June 5-8, 2023

Meets: M, Tu, W and Th from 8:15 AM to 3:00 PM

Location: Montana Weatherization Training Center - Bozeman

Registration Fee: $725.00
MT WAP Registration: $0.00

RIT Mechanical Systems provides a brief review of weatherization measures, standards, and residential building performance practices. The remainder of the course focuses on immersing students into practice scenarios. Tools and techniques of weatherization, including blower door use, air sealing options, insulation alternatives, proper ventilation, and mechanical issues and CAZ testing are all covered.

The course follows the Department for Energy's standardized curriculum for Weatherization Installer/Technician Intermediate and has been modified to align with the NREL Job Task Analysis for Retrofit Installer Technician. Upon completion of the class, students will have hands-on experience performing the most common weatherization applications.

Montana Weatherization Network members may take this course at no cost. Use the MT WAP Registration option to register with a $0 fee.

For questions, contact the Training Center at or 406-586-0070.

To return to Montana Weatherization Training Center website please go to

Fee:   $725.00

optional: Fee Breakdown

Fee Breakdown

Registration Fee$ 725.00
MT WAP Registration$ 0.00

Montana Weatherization Training Center - Bozeman

751 Osterman Drive
Suite 101
Bozeman, MT 59715

Aaron Mugaas

Aaron brings deep and relevant experience to the team, with decades of service to the weatherization industry as both a crew member and auditor. He’s also spent time in private industry as a house builder and home inspector. Aaron’s training includes degrees in Biology, and study in Land Resources and Environmental Sciences. His focus at the Training Center is on health and safety, building science, hands-on training of practical skills.

Nick Thomas

Growing up in the Gallatin Valley has offered Nick years of demolition, renovation and building experience as well as a keen knowledge of different building structures and ways of protecting homes from harsh Montana climates. He brings several years of weatherization field experience to the Training Center after working for the HRDC energy assistance program. His standardized work specifications (SWS) and code compliance knowledge shapes his teaching focus toward workplace safety and crew efficiency.
Date Day Time Location
06/05/2023Monday8:15 AM to 3 PM Montana Weatherization Training Center - Bozeman
06/06/2023Tuesday8:15 AM to 3 PM Montana Weatherization Training Center - Bozeman
06/07/2023Wednesday8:15 AM to 3 PM Montana Weatherization Training Center - Bozeman
06/08/2023Thursday8:15 AM to 3 PM Montana Weatherization Training Center - Bozeman

  • Private Contractors
  • Program Managers
  • Weatherization Professionals
  • Building Managers

  • Completion of Retrofit Installer Technician: Building Shell is encouraged but not required to complete this course.

This course has 24 contact hours and can qualify as 24 continuing education units (CEU) toward Home Energy Professional Recertification.


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