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Wisconsin Classes

  • Mon, Dec 08
    Johnstone Supply
    Dec 08, 2025, 1:00 PM – 5:00 PM CST
    Johnstone Supply, 2420 W 4th St, Appleton, WI 54914, USA
    Cost: $150/ student Attendees will have the opportunity to complete a combustion analysis in our live fire labs, make adjustments, and get hands on experience
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  • Wed, Dec 10
    Johnstone Supply
    Dec 10, 2025, 8:00 AM – 12:00 PM CST
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $150/ student Attendees will have the opportunity to complete a combustion analysis in our live fire labs, make adjustments, and get hands on experience
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  • Thu, Dec 11
    Johnstone Supply
    Dec 11, 2025, 8:00 AM – 4:30 PM CST
    Johnstone Supply, 2420 W 4th St, Appleton, WI 54914, 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, Dec 16
    Johnstone Supply
    Dec 16, 2025, 8:00 AM CST – Dec 17, 2025, 4:30 PM CST
    Johnstone Supply, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $705/ person
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  • Thu, Dec 18
    Johnstone Supply
    Dec 18, 2025, 8:00 AM CST – Dec 19, 2025, 4:00 PM CST
    Johnstone Supply, 2420 W 4th St, Appleton, WI 54914, USA
    Cost: $705/ person
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  • Mon, Dec 22
    Johnstone Supply
    Dec 22, 2025, 12:00 PM – 4:00 PM CST
    Johnstone Supply, 2420 W 4th St, 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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  • Mon, Dec 22
    Johnstone Supply
    Dec 22, 2025, 12:00 PM – 4:00 PM CST
    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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  • Tue, Dec 23
    Appleton
    Dec 23, 2025, 8:00 AM – 4:30 PM CST
    Appleton, 2420 W 4th St, Appleton, WI 54914, 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, Dec 23
    Johnstone Supply
    Dec 23, 2025, 8:00 AM – 4:30 PM CST
    Johnstone Supply, 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, Dec 30
    Johnstone Supply
    Dec 30, 2025, 8:00 AM – 4:30 PM CST
    Johnstone Supply, 2420 W 4th St, Appleton, WI 54914, USA
    Cost $300/ student Classroom style training students will learn the very basics of gas furnaces from each component and it's function, to how all components work in conjunction for a properly operating furnace.
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  • Tue, Dec 30
    Johnstone Supply
    Dec 30, 2025, 8:00 AM – 4:30 PM CST
    Johnstone Supply , 715 N Eighth St, De Pere, WI 54115, USA
    Cost $300/ student Classroom style training students will learn the very basics of gas furnaces from each component and it's function, to how all components work in conjunction for a properly operating furnace.
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  • Mon, Jan 05
    Johnstone Supply
    Jan 05, 2026, 12:00 PM CST – Jan 30, 2026, 12:00 PM CST
    Johnstone Supply, 2420 W 4th St, 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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  • Tue, Jan 20
    De Pere
    Jan 20, 2026, 8:00 AM – 12:00 PM CST
    De Pere, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $125 Hydronic installation and controls.
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  • Wed, Jan 21
    De Pere
    Jan 21, 2026, 8:00 AM CST – Jan 22, 2026, 4:00 PM CST
    De Pere, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $705/ person
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  • Mon, Jan 26
    De Pere
    Jan 26, 2026, 8:00 AM CST – Jan 28, 2026, 4:00 PM CST
    De Pere, 715 N Eighth St, De Pere, WI 54115, USA
    Cost: $ 1925- 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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  • Mon, Feb 16
    De Pere
    Feb 16, 2026, 8:00 AM CST – Mar 13, 2026, 5:00 PM CDT
    De Pere, 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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  • Mon, Mar 02
    Johnstone Supply Appleton
    Mar 02, 2026, 8:00 AM CST – Mar 27, 2026, 5:00 PM CDT
    Johnstone Supply Appleton, 2420 W 4th St, 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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  • Mon, Apr 13
    Johnstone Supply, Appleton
    Apr 13, 2026, 8:00 AM CDT – May 08, 2026, 5:00 PM CDT
    Johnstone Supply, Appleton, 2420 W 4th St, 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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