Retrofit Installer Technician: Mechanical Systems

Dates: October 26, 2020 - February 1, 2021

Meets: M from 10:00 AM to 12 N

Location: Online: Hybrid

Registration Fee: $650.00

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.

**The structure of the course is department videos with a mini 2hr lecture on October 29th at 10am.

Montana Weatherization Network members may take this course at no cost. Receive a full discount with code MWTC20. For questions, contact the Training Center at, or 406-586-0070.

To return to Montana Weatherization Training Center website please go, or 406-586-0070.

To return to Montana Weatherization Training Center website please go to

Fee:   $650.00

Online: Hybrid

This fully online class will contain both synchronous and asynchronous elements. You will receive an automated email from MSU Outreach one business day before the start date with login instructions for the Brightspace (D2L) learning management system. Students may not have access to the course materials until the actual start date. If you do not receive your login information, please email

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 housebuilder 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.

Chris Dorsi

Chris manages curriculum development and technical writing projects for the Training Center, along with delivering classroom and field training for both professionals and technicians. He’s spent the last 40 years developing best practices for the housing industry -- publishing respected textbooks and technical curricula, developing training programs, and operating private construction organizations. Chris holds certifications from the Building Performance Institute as a Building Analyst, Heating Professional, Envelope Professional, and Healthy Home Evaluator. He's certified to proctor exams for all these specialties. Chris is the co-author of Residential Energy: Cost Savings and Comfort for Existing Buildings, the Homeowner’s Handbook to Energy Efficiency, and other respected titles on sustainable design and energy-efficient construction. He’s the founder of Habitat X, a nationwide professional development platform.
Date Day Time Location
10/26/2020Monday10 AM to 12 N Online: Hybrid
11/02/2020Monday10 AM to 12 N Online: Hybrid
11/09/2020Monday10 AM to 12 N Online: Hybrid
11/16/2020Monday10 AM to 12 N Online: Hybrid
11/23/2020Monday10 AM to 12 N Online: Hybrid
11/30/2020Monday10 AM to 12 N Online: Hybrid
12/07/2020Monday10 AM to 12 N Online: Hybrid
12/14/2020Monday10 AM to 12 N Online: Hybrid
12/21/2020Monday10 AM to 12 N Online: Hybrid
12/28/2020Monday10 AM to 12 N Online: Hybrid
01/04/2021Monday10 AM to 12 N Online: Hybrid
01/11/2021Monday10 AM to 12 N Online: Hybrid
01/18/2021Monday10 AM to 12 N Online: Hybrid
01/25/2021Monday10 AM to 12 N Online: Hybrid
02/01/2021Monday10 AM to 12 N Online: Hybrid

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

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

Videos and Zoom session are currently being reviewed by BPI for CEU assignment. Please email to inquire about BPI credits if desired.


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