RSOE

Course Code: MSIT

The Mini Split Systems Installer Technician course provides students with the technical knowledge and hands-on training required to install, service, and maintain ductless mini split air conditioning and heat pump systems. This program focuses on modern HVAC technologies widely used in residential and light commercial applications, emphasizing proper installation techniques, system efficiency, and safety.

Students will learn how to properly size, install, and commission mini split systems, including indoor and outdoor unit placement, refrigerant line installation, electrical connections, and system startup procedures. The course also covers inverter technology, diagnostics, troubleshooting, and preventive maintenance. Emphasis is placed on EPA compliance, safe handling of refrigerants, and industry best practices to ensure reliable and energy-efficient system performance.

What you will learn in this course:

• Fundamentals of ductless mini split system operation
• Installation of indoor and outdoor units
• Refrigerant line installation, evacuation, and charging
• Electrical wiring, controls, and inverter technology
• System startup, testing, and commissioning procedures

• Troubleshooting and diagnostic techniques
• Preventive maintenance and system optimization
• EPA Section 608 compliance and refrigerant handling
• Safety procedures and best installation practices
• Preparation for entry-level HVAC/R and mini split installation careers

Admission Requirements:
1. Be at least eighteen (18) years of age.
2. Present a valid government-issued photo identification.
3. Submit a High School Diploma, High School Equivalency (GED). Applicants who do not possess a High School Diploma or GED must successfully pass the school’s Entrance Examination.


Section : Morning
4 Weeks
Section : Afternoon
5 Weeks
Section : Evening
6 Weeks
Section : Weekends
20 Saturdays or 20 Sundays
Jan 30Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMJan 2820 Saturdays: 9:00 AM-3:30 PM
Feb 27Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMFeb 2520 Saturdays: 9:00 AM-3:30 PM
May 29Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMMar 2520 Saturdays: 9:00 AM-3:30 PM
Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMApr 2920 Saturdays: 9:00 AM-3:30 PM
Jul 31Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMMay 2720 Saturdays: 9:00 AM-3:30 PM
Aug 28Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PM20 Saturdays: 9:00 AM-3:30 PM
Sept 25Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMJul 2920 Saturdays: 9:00 AM-3:30 PM
Oct 30Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMAug 2620 Saturdays: 9:00 AM-3:30 PM
Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMSep 30 20 Saturdays: 9:00 AM-3:30 PM
Nov 27Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMOct 2820 Saturdays: 9:00 AM-3:30 PM
Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMNov 2520 Saturdays: 9:00 AM-3:30 PM
Dec 18Monday-Friday 9:00 AM-3:30 PMMonday-Friday 1:00 PM-6:30 PMMonday-Friday 6:00 PM-10:15 PMDec 3020 Saturdays: 9:00 AM-3:30 PM
*Please call the school to see if the schedule is available

Mini-Split Installer Technician Program Overview

Build practical knowledge for installing, commissioning, maintaining, and diagnosing ductless mini-split air-conditioning and heat-pump systems used in residential and light-commercial applications.

What You Will Learn

System Sizing and Unit Installation

Study equipment selection, indoor and outdoor unit placement, mounting, connections, and installation planning.

Refrigerant Lines and Commissioning

Learn line-set installation, evacuation, charging concepts, leak prevention, startup, testing, and commissioning.

Electrical Controls and Inverter Technology

Work with wiring, controls, safety, testing, and variable-speed inverter system concepts.

Diagnostics and Preventive Maintenance

Develop troubleshooting, performance-testing, cleaning, inspection, maintenance, and optimization skills.

EPA and Refrigerant-Handling Topics

The course includes EPA-compliance and safe refrigerant-handling concepts. Completion does not itself issue or guarantee EPA Section 608 certification.

Frequently Asked Questions

What is the Mini-Split Systems Installer Technician course?

MSIT is technical training focused on installing, commissioning, servicing, maintaining, and troubleshooting ductless mini-split air-conditioning and heat-pump systems.

What is a ductless mini-split system?

A mini-split is a heating and cooling system that typically connects one or more indoor units to an outdoor unit without conventional central ductwork.

Does the course include hands-on training?

The page describes technical knowledge and hands-on training in unit placement, line installation, electrical connections, startup, testing, diagnostics, and maintenance.

Will I learn how to size a mini-split system?

Yes. The curriculum includes system-sizing concepts, equipment selection considerations, placement, installation planning, and efficiency.

Does the course cover indoor and outdoor unit installation?

Yes. Students study placement and installation of indoor and outdoor units along with mounting, connections, and commissioning procedures.

Are refrigerant lines, evacuation, and charging covered?

Yes. Refrigerant-line installation, evacuation, charging concepts, leak prevention, safe handling, and applicable practices are included.

Does the program cover electrical wiring and controls?

Yes. Students study electrical connections, wiring, controls, inverter technology, startup, testing, and related safety practices.

What is inverter technology?

Inverter-driven systems vary compressor operation to match heating or cooling demand, supporting comfort and energy-efficient performance.

Will I learn troubleshooting and diagnostics?

Yes. The course includes diagnostic techniques, performance testing, common faults, systematic troubleshooting, and system optimization.

Is preventive maintenance included?

Yes. Students study inspection, cleaning, preventive maintenance, performance checks, and practices intended to support reliable operation.

Does the course include EPA Section 608 topics?

The page includes EPA compliance and refrigerant-handling topics. Course completion does not itself guarantee or automatically issue EPA Section 608 certification.

What are the admission requirements?

Applicants must be at least 18, present valid government-issued photo identification, and provide a high school diploma or GED, or meet the school’s stated entrance-exam provision.

How long is the MSIT course?

The displayed options include four-week morning, five-week afternoon, six-week evening, and 20-day weekend schedules. Confirm current dates and availability with IDI.

How much does the program cost?

The page lists a total cost of $7,500, including complete training, books, and training supplies. Confirm current tuition and inclusions with IDI.

Are payment plans available?

Yes. The page lists payment plans for daily and weekend schedules. Confirm current deposits, installment amounts, terms, and availability with admissions.

Does completing this course guarantee certification or employment?

No. Completion does not guarantee certification, licensing, eligibility, examination results, employment, or authorization to perform regulated work.

Pre-register or request program information.