Training Minnesotans. Transforming homes.
Your one-stop training resource for improving comfort, efficiency, and equity in Minnesota homes.
About the Program
Minnesota Home Energy Training (MHET) is a partnership between the Minnesota Department of Commerce and the Center for Energy and Environment (CEE) which recruits, trains, and supports energy efficiency careers across the state. MHET builds on a nearly 50-year legacy of home energy training and the Weatherization Assistance Program (WAP). MHET will expand access to high-quality energy training across Minnesota.
With experienced partners in energy efficiency including Fond du Lac Tribal and Community College, The Energy Conservatory, and Slipstream, MHET delivers cutting-edge building science training and state-of-the-art training facilities for participants at every stage in their energy efficiency careers.
Course Offerings
Build your skills one step at a time with BPI's badge system. This course series focuses on the core tasks that make up high-quality weatherization work, such as insulation, air sealing, and mechanical systems. Each badge you earn proves mastery of a key skill area.
You'll learn to:
- Learn proper techniques for safe, durable installations.
- Gain confidence with real-world tools and materials.
- Demonstrate competency in specific weatherization measures.
- Stack badges to advance toward full Retrofit Installer certification.
Who should take this course?
Entry-level WAP staff and installers who want structured, hands-on training in specific retrofit skills, as well as experience workers seeking recognition for their expertise.
Registration
November 3rd - 7th
General
The Building Science Principles (BSP) Certificate of Knowledge is an introductory, self-paced online course that teaches the fundamentals of energy-efficient home performance. It covers how various home systems—like insulation, HVAC, and lighting—interact to impact comfort, safety, and energy efficiency, and explains why improving these systems is essential before pursuing renewable energy upgrades
You'll Learn to:
- How your home’s systems work together to boost comfort, health, and savings.
- Energy efficiency is the best first step before going solar or adding renewables.
- Gain a trusted credential that strengthens your expertise and career opportunities in the growing efficiency field.
Who Should Take This Course?
Perfect for contractors, program staff, and homeowners who want a clear foundation in how homes use and save energy.
Prerequisites
There are no prerequisites to take this course.
Registration
October
Register - October 1st Register - October 15th
November
Register - November 1st Register - November 15th
December
Register - December 1st Register - December 15th
January
Build a strong safety foundation for every job site. This entry-level course covers essential construction safety topics such as fall protection, electrical hazards, PPE, and hazard communication—skills that keep crews safe and compliant.
You’ll learn to:
Recognize and avoid common job-site hazards
Understand OSHA standards that apply to construction work
Respond effectively to incidents and emergencies
Who should take this course?
Weatherization installers, crew members, and new hires who need the OSHA 10-hour card to meet WAP or contractor safety requirements.
Prerequisites
There are no prerequisites to take this course.
Registration
OSHA Training Providers being evaluated. If needed, please continue to use approved providers.
Take your safety knowledge to the next level. Designed for supervisors and experienced workers, this 30-hour course provides deeper coverage of construction health and safety regulations, job-site hazard analysis, and leadership in safety culture.
You’ll learn to:
- Conduct comprehensive hazard assessments
- Implement site-specific safety programs
- Lead crews in OSHA compliance and best practices
Who should take this course?
Crew leaders, project managers, or any WAP professional responsible for supervising job-site operations and maintaining program safety standards.
Prerequisites
There are no prerequisites to take this course.
Registration
OSHA Training Providers being evaluated. If needed, please continue to use approved providers.
Work safely in pre-1978 homes while meeting federal and Minnesota state requirements. This hands-on course teaches the lead-safe work practices needed to contain dust, protect occupants, and comply with EPA RRP and MN rules.
You’ll learn to:
- Test for and recognize lead hazards
- Set up and maintain containment areas
- Clean and verify work sites to EPA/MN standards
Who should take this course?
Weatherization crews, contractors, and supervisors performing renovation or repair work in older housing stock covered by WAP.
Prerequisites
There are no prerequisites to take this course.
Energy Auditor Track
Gain the hands-on skills to diagnose how a home uses — and loses — energy. In this course, you’ll learn to collect data, perform safety checks, and run diagnostic tests using industry-standard equipment.
You'll Learn to:
- Conduct thorough building assessments.
- Set up and operate blower doors and combustion safety tools.
- Identify health and safety concerns in the field.
- Document findings for use in audits and work scopes.
Who should take this course?
New weatherization technicians or crew members entering the WAP field who need a solid foundation in building diagnostics and safety testing.
Registration
October 20th - 24th
December 1st - 5th
Step beyond diagnostics and learn to see the whole house as a system. This advanced course teaches you how to analyze data, create effective retrofit recommendations, and communicate solutions to clients and teams.
You’ll learn to:
- Perform comprehensive building assessments.
- Develop energy-saving work scopes that meet program goals.
- Balance energy efficiency, health, and comfort in recommendations.
- Lead the decision-making process for home performance upgrades.
Who should take this course?
Experienced technicians or auditors who are ready to take on a leadership role in evaluating homes and developing scopes of work for WAP projects.
Registration
January 12th - 14th, 2026
Prepare to deliver high-quality home energy audits that meet DOE WAP and BPI HEP standards. You'll learn how to use diagnostic results and modeling tools to pinpoint opportunities and quantify savings.
You'll Learn to:
- Conduct full-home energy assessments.
- Run energy modeling and cost-effectiveness analyses.
- Create clear, actionable scopes of work.
- Prioritize occupant health and safety alongside efficiency.
Who should take this course?
WAP professionals seeking certification as energy auditors, especially those responsible for audit reports, energy modeling, and measure selection.
Prerequisites
The Building Science Principles (BSP) Certificate of Knowledge serves as a foundational prerequisite for the Home Energy Professional (HEP) Energy Auditor certification.
Registration
The one-week course will likely take place Sept. 22nd –Oct. 3rd.
Become the final check for quality and compliance. This course trains you to ensure that every weatherization project meets technical standards and delivers safe, effective results for households.
You'll learn to:
- Perform final inspections and verify installation quality.
- Confirm compliance with program requirements and BPI standards.
- Identify and correct deficiencies in field work.
- Provide feedback to crews and auditors to improve performance.
Who should take this course?
Experienced WAP staff who are responsible for final project inspections, program compliance, or ensuring work quality in the field.
Prerequisites
Candidates must hold an active BPI Energy Auditor Certification in order to sit for the QCI exam; you do not need to fill out a separate application to sit for the Quality Control Inspector certification exam. Refer to the Energy Auditor Scheme Handbook for details on the EA requirements.
Registration
Dates for this course will be announced in the coming weeks.
Installer Track
Build your hands-on weatherization skills one badge at a time. This flexible online series lets you earn badges in key areas such as air sealing, insulation, and mechanical systems.
You’ll learn to:
- Master individual installation techniques through interactive modules
- Apply safe, durable practices that meet BPI and WAP specifications
- Demonstrate each skill with a badge you can show employers or program managers
Who should take this course?
Entry-level or cross-training WAP staff and installers who want structured, self-paced learning to gain or document core weatherization competencies.
Prerequisites
There are no prerequisites to take this course.
Strong crews need strong leaders. This course equips you with the skills to manage teams, ensure safety, and deliver high-quality work in the field.
You'll learn to:
- Organize and oversee job-site activities.
- Coach and mentor crew members on best practices.
- Maintain safety and productivity on every project.
- Communicate effectively with auditors, inspectors, and clients.
Who should take this course?
Weatherization professionals moving into supervisory roles or experienced crew members who want to lead teams on WAP job sites.
Technical
This training is held in an HVAC lab with many different types of mechanical equipment for hands-on experience of equipment you may see in the field. Participants will receive hands-on experience with the types of HVAC systems they may see in the field. Curious about a specific type of equipment? Bring any questions you may have to take advantage of this small, interactive group experience.
You’ll Learn to:
- Work with and troubleshoot common HVAC systems.
- Understand how equipment affects comfort and efficiency.
- Solve real-world HVAC challenges in a hands-on lab.
Who Should Take This Course?
Hands-on HVAC training for technicians, energy auditors, contractors, and anyone eager to see and work with real-world equipment in a small, interactive lab setting.
Prerequisites
There are no prerequisites to take this course.
Registration
October 21st-22nd
Get up to speed on today’s high-efficiency cooling and heating solutions. This course introduces heat pump and air-conditioning technology with a focus on Minnesota’s climate and Weatherization program requirements.
You’ll learn to:
- Understand heat pump operation and components
- Evaluate suitability for cold-climate installations
- Integrate heat pumps into WAP retrofit strategies
Who should take this course?
Energy auditors, crew leaders, and installers who need a practical understanding of heat pump technology for Minnesota WAP projects.
Prerequisites
There are no prerequisites to take this course.
Deliver healthy, code-compliant homes after weatherization. This training explores ERVs, HRVs, and other mechanical ventilation options, highlighting best practices for balanced airflow and occupant health.
You’ll learn to:
- Assess existing ventilation and IAQ conditions
- Design or specify appropriate ventilation solutions
- Commission and maintain ERV/HRV systems
Who should take this course?
Energy auditors, quality control inspectors, and installers responsible for ensuring proper ventilation and indoor air quality in WAP retrofits.
Prerequisites
There are no prerequisites to take this course.
Administrative
Uniform Grant Guidance for Federal Funds Training Commerce has once again partnered with CPA Kevin Myren, who will lead a half-day virtual training on Uniform Grant Guidance for Federal Funds from the Office of Management and Budget (OMB) 2 CFR 200. As a reminder, per WAP MN Policy Manual Section 6.9.2.1, any fiscal staff working with the weatherization program must attend initial training on OMB Guidelines within one year of the hire date. This course meets that requirement
Who should take this course?
Any fiscal staff working with the weatherization program
Prerequisites
There are no prerequisites to take this course.
Registration
October 30th
Additional Funding Information
More information related to training, workforce development, and program policies for WAP can be found on Commerce’s website. MHET is funded by grants from the United States Department of Energy and State of Minnesota.