HVAC Mokena

Local Union 597’s HVAC department strives to keep its classes and practical shop to be one of the most up to date in the country. Full and Part Time instructors teach over 20 different classes per Trimester. Please review classes by Trimester by clicking the links to the left. If you have any questions regarding HVAC classes, please contact the Training Center.

The Training Center has adopted the new Dashboard system installed by Local Union 597’s Association office. If you do not know your username, please contact the Union Hall. (312) 829-4191.  You should see a tab at the top of the page called “My Education.” If you don’t, or if you have problems registering for a class, or you wish to be removed from a class, please contact the Training Center. (708) 326-9240.

REGISTRATION OPENS AUGUST 8, 2025

Mokena First Floor Map
Mokena Second Floor Map
Registration Instructions

Classes

HVAC Three Trimester Classes

Class Description Date Room Day(s)
BB 401 Boiler Burner 10/13/2025 1130 Monday
CF 401 Centrifugal Chillers 10/09/2025 2117 Thursday
BB 401 Boiler Burner 10/09/2025 PALATINE Thursday
BB 401-S Boiler Burner - Saturday Course 09/13/2025 1130 Saturday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



HVAC First Trimester Classes

Class Description Date Room Day(s)
CT 206 Introduction to DDC 10/06/2025 2115 Monday
RF 301-1 Ammonia Industrial Refrigeration 10/06/2025 2118 Monday
ST 501-1 UA Star Exam 10/06/2025 2116 Monday
RE 101 Residential Electrical 10/14/2025 2301 Tuesday
RF 105-1 Basic Refrigeration 10/08/2025 2117 Wednesday
WB 303-1 Steam Systems 10/08/2025 1130 Wednesday
EL 201-1 Basic Applied Electrical 10/08/2025 2118 Wednesday
CT 201-1 Pneumatic Controls 10/09/2025 2116 Thursday
MC 301-1 Middle Market Chillers 10/09/2025 2117 Thursday
VRF 301-1 Variable Refrigerant Systems 10/09/2025 2301 Thursday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



HVAC Second Trimester Classes

Class Description Date Room Day(s)
BB 201-2 Basic Boiler 01/05/2026 2303 Monday
ST 501-2 UA Star Exam 01/05/2026 2116 Monday
RH 101 Residential Heating 01/06/2026 2301 Tuesday
RF 205-2 Intermediate Refrigeration 01/07/2026 2302 Wednesday
CR 201-2 Liebert Units 01/07/2026 2301 Wednesday
CT 207 DDC Johnson Controls 01/07/2026 2115 Wednesday
WB 301-2 Basic Hydronics 01/07/2026 2302 Wednesday
RF 305-3 Supermarket Refrigeration 01/07/2026 2116 Wednesday
MC 301-1 Middle Market Chillers 01/07/2026 2117 Wednesday
EL 202-2 Applied Electrical 2 01/07/2026 2118 Wednesday
CT 202-2 Pneumatic Controls 2 01/08/2026 2116 Thursday
CT 205-2 Rooftop Service and Economizers 01/08/2026 2302 Thursday
VF 401-2 Basic Variable Frequency Drives 01/08/2026 2118 Thursday
CT 208 DDC Honeywell 01/08/2026 2115 Thursday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



HVAC Third Trimester Classes

Class Description Date Room Day(s)
ST 501-3 UA Star Exam 04/06/2026 2116 Monday
EL 201-1 Basic Applied Electrical 04/06/2026 2118 Monday
RC 101 Residential Cooling 01/06/2026 2501 Tuesday
EL 203-3 Applied Electrical 3 04/08/2026 2118 Wednesday
WB 302-3 Advanced Hydronics 04/08/2026 1130 Wednesday
VF 402-3 Advanced Variable Frequency Drives 04/09/2026 2118 Thursday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



Saturday Classes

Classes run for three consecutive Saturdays.

All courses run from 7:00a.m. to 3:30p.m.

Class Description Date Room Day(s)
CT 205-S1 Rooftop Service and Economizers 10/11/2025 2116 Saturday
RH 101-S1 Residential Heating 10/11/2025 2302 Saturday
RF 305-S Supermarket Refrigeration Systems 10/25/2025 2117 Saturday
VF 401-S Variable Frequency Motor Drives 10/25/2025 2118 Saturday
RH 101-S2 Residential Heating 11/01/2025 2302 Saturday
EL 202-S Applied Electrical 2 11/08/2025 2117 Saturday
RF 101-S1 Basic Air Conditioning and Refrigeration 03/07/2026 2302 Saturday
CT 205-S2 Rooftop Service and Economizers 03/28/2026 2117 Saturday
RF 101-S2 Basic Air Conditioning and Refrigeration 04/04/2026 2302 Saturday
MC 301-S Middle Market Chillers 10 to 200 Ton 04/25/2026 2117 Saturday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



Saturday Seminars

Saturday seminars run for one Saturday.

All courses run from 7:00a.m. to 3:30p.m.

Class Description Date Room Day(s)
CT 301-S1 Introduction to AAON 09/13/2025 2301 Saturday
CT 301-S2 Introduction to AAON 11/15/2025 2301 Saturday
SM 111 Ice Machines 10/11/2025 2117 Saturday
RF 305-S Supermarket Refrigeration 10/28/2025 2118 Saturday
CT 301-S3 Introduction to AAON 01/24/2026 2301 Saturday
SM 408-1 Siemens LMV3 Combustion Controls 02/07/2026 1130 Saturday
SM 408-2 Siemens LMV5 Combustion Controls 02/14/2026 1130 Saturday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



HVAC Certifications

Classes run three weeks, one night per week

 

Class Description Date Room Day(s)
A2L-1 Safe Handling of Flammable Refrigerants 10/06/2025 2117 Monday
EPA608-1 Safe Handling of Refrigerants 10/09/2025 2117 Thursday
A2L-2 Safe Handling of Flammable Refrigerants 01/12/2026 2117 Mondays
A2L-3 Safe Handling of Flammable Refrigerants 04/06/2026 2117 Monday
EPA608-2 Safe Handling of Refrigerants 04/09/2026 2117 Thursday
Class Registration

NOTE: Classes that do not appear on the registration page are full/closed



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