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Wisconsin Classes

  • Mon, May 12
    Johnstone Supply
    May 12, 2025, 12:00 PM CDT – Jun 06, 2025, 12:00 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    4 Week Course - Building Qualified Techs From The Ground Up Week 1: HVAC Electrical Week 2: Gas Heating Fundamentals Week 3: Air Conditioning Fundamentals Week 4: HVAC Installation Best Practices
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  • Tue, Jun 17
    Johnstone Supply
    Jun 17, 2025, 8:00 AM – 12:00 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    $150 / student. ESCO Institute Low GWP Refrigerant Safety Exam and Certification, if the exam is passed, is included in this course.
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  • Wed, Jun 18
    Johnstone Supply
    Jun 18, 2025, 8:00 AM – 12:00 PM CDT
    Johnstone Supply, 2420 W 4th St Ste 1, Appleton, WI 54914, USA
    $150 / student. ESCO Institute Low GWP Refrigerant Safety Exam and Certification, if the exam is passed, is included in this course.
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  • Thu, Jun 19
    De Pere
    Jun 19, 2025, 8:00 AM – 4:30 PM CDT
    De Pere, 715 N Eighth St, De Pere, WI 54115, USA
    $300 / student. EPA 608 Certification Exam. Covers essentials needed to pass this required exam: Core, Type 1, Type 2, and Type 3 elements. Study materials provided. This is a full day session. Please bring a laptop if you would like the EPA exam to be done in real time. Paper exams also available.
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  • Tue, Jun 24
    Johnstone Supply
    Jun 24, 2025, 8:00 AM CDT – Jun 26, 2025, 4:00 PM CDT
    Johnstone Supply, 2420 W 4th St Ste 1, Appleton, WI 54914, USA
    In this 3-day, hands-on, in-depth class, students will learn best practices for installation of a furnace and A/C. They will gain confidence in their installation and startup/commissioning skills.
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  • Tue, Jul 08
    Johnstone Supply
    Jul 08, 2025, 8:00 AM – 4:00 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $200 Technicians of all skill levels will learn troubleshooting electrical, mechanical, and airflow issues associated with gas furnaces.
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  • Tue, Jul 15
    Johnstone Supply
    Jul 15, 2025, 1:00 PM – 5:00 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $ 185.00 A detailed, yet simple understanding of the refrigerant cycle.
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  • Wed, Jul 30
    Johnstone Supply
    Jul 30, 2025, 8:00 AM – 4:30 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $705/ person
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  • Wed, Aug 13
    Johnstone Supply
    Aug 13, 2025, 8:00 AM – 4:30 PM CDT
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $350 Students will leave this class with Wrightsoft mobile block load calculation soft-ware and a 1 year subscription to their services. Great class for technicians, installers, and comfort advisors alike!
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  • Mon, Sep 08
    Johnstone Supply
    Sep 08, 2025, 8:00 AM CDT – Oct 03, 2025, 4:00 PM CDT
    Johnstone Supply, 2420 W 4th St Ste 1, Appleton, WI 54914, USA
    4 Week Course - Building Qualified Techs From The Ground Up Week 1: HVAC Electrical Week 2: Gas Heating Fundamentals Week 3: Air Conditioning Fundamentals Week 4: HVAC Installation Best Practices
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