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Tech Fundamentals - Sioux City

Mon, Feb 23

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Johnstone Supply, Sioux City

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

Tech Fundamentals - Sioux City
Tech Fundamentals - Sioux City

Time & Location

Feb 23, 2026, 8:00 AM CST – Mar 20, 2026, 5:00 PM CDT

Johnstone Supply, Sioux City, 1401 Cunningham Dr, Sioux City, IA 51106, USA

About the Course

4 Week Course - Building Qualified Techs from the Ground Up

$1,700 per student per week. Max 6 students per class.


Monday: 12pm - 5pm

Tuesday: 8am - 5pm

Wednesday: 8am - 5pm

Thursday: 8am - 5pm

Friday: 8am - 12pm


Week 1: HVAC Electrical - Students will start at the very basics of electricity and electrical theory, then will move into the lab to wire various circuits in a hands-on setting. We will then move into electrical troubleshooting with an emphasis on order of operations.

Week 2:  Gas Heating Fundamentals - Students will start at the very basics of heating to get comfortable with each component, their function, and how they work together to form a functioning heating system. We will then transition into troubleshooting and maintenance best practices of a furnace. Troubleshooting will be emphasized in a hands-on lab setting. Certifications offered (not guaranteed to pass the exam): HVAC Excellence Gas Heating Certification.

Week 3: Air Conditioning Fundamentals - Students will start by learning about the refrigeration cycle and the basics of an A/C system. We will then transition into troubleshooting and maintenance best practices of an A/C system. Troubleshooting will be emphasized in a hands-on lab setting. Certifications offered: (not guaranteed to pass the exam): HVAC Excellence A/C Certifaction, EPA 608 Certification, EPA A2L Certification.

Week 4: HVAC Installation Best Practices - Students will learn best practices for installation of a complete split HVAC system. Students will go through an entire change-out scenario in our lab, then commission and start up the entire HVAC system. Duct sizing best practices of how to put togehter square and round ducting, how to build a plenum/transition. Certifications offered (not guaranteed to pass the exam): HVAC Excellence Recovery, Evacuation, and Brazing Certifications.


Travel and hotel not included, we do have numerous hotels we have negotiated rates with.

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