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Upcoming Events & Classes

A2L Recovery & Evacuation Best Practices

  • Date: Tuesday March 25th 2025 (8:00am-10:00am)
  • Location: 2J Supply Louisville Branch
  • Refreshments: Light Breakfast Provided
  • Cost: $25
  • CEU: 2 KY CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Wednesday March 26th 2025 (8:00am-10:00am)
  • Location: Courtyard by Marriott | 3100 Wall St., Lexington KY
  • Refreshments: Light Breakfast Provided
  • Cost: $25
  • CEU: 2 KY CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Thursday March 27th 2025 (8:00am-10:00am)
  • Location: The Corbin Center | 222 Corbin Center Dr, Corbin, KY 40701
  • Refreshments: Light Breakfast Provided
  • Cost: $25
  • CEU: 2 KY CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Wednesday April 2nd 2025 (9:00am-11:30am)
  • Location: 2J Supply Piketon Branch
  • Refreshments: Lunch Provided
  • Cost: $25
  • CEU: 2 OH CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Thursday April 3rd 2025 (9:00am-11:30am)
  • Location: 2J Supply Toledo Branch
  • Refreshments: Lunch Provided
  • Cost: $25
  • CEU: 2 OH CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Tuesday April 8th 2025 (9:00am-11:30am)
  • Location: 2J Supply Cincinnati Branch
  • Refreshments: Lunch Provided
  • Cost: $25
  • CEU: 2 OH CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

A2L Recovery & Evacuation Best Practices

  • Date: Wednesday April 9th 2025 (9:00am-11:30am)
  • Location: 2J Supply Dayton Branch
  • Refreshments: Lunch Provided
  • Cost: $25
  • CEU: 2 OH CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

Installation & Service on Universal Heat Pumps

  • Date: Tuesday April 15th 2025 (8:00am-12:00pm)
  • Location: 2J Supply Dayton Branch
  • Refreshments: Lunch Provided
  • Cost: $50
  • CEU: 4 OH CEU

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

NuCalgon Lunch & Learn

  • Date: Tuesday April 15th 2025 (9:00am-11:30am)
  • Location: 2J Supply Louisville Branch
  • Cost: Free Class
  • Refreshments: Lunch Provided

Join us for an informative and hands-on Nu-Calgon Lunch & Learn at our Louisville branch! Discover the latest HVAC maintenance and service solutions from Nu-Calgon, designed to help you work smarter and more efficiently.

NuCalgon Lunch & Learn

  • Date: Wednesday April 16th 2025 (9:00am-11:30am)
  • Location: 2J Supply Columbus Branch
  • Cost: Free Class
  • Refreshments: Lunch Provided

Join us for an informative and hands-on Nu-Calgon Lunch & Learn at our Columbus branch! Discover the latest HVAC maintenance and service solutions from Nu-Calgon, designed to help you work smarter and more efficiently.

A2L Awareness and Sensors

  • Date: Wednesday April 16th 2025 (8:00am-11:00am)
  • Location: 2J Supply Toledo Branch
  • Refreshments: Lunch Provided
  • Cost: Free Class

Elevate technician awareness regarding A2L Refrigerants and their application in modern HVAC systems. Test your knowledge and understanding of A2L products. Delve into safety protocols, transportation guidelines, handling practices, installation insights, and service best practices.

Installation & Service on Universal Heat Pumps

  • Date: Wednesday April 16th 2025 (8:00am-12:00pm)
  • Location: 2J Supply Cincinnati Branch
  • Refreshments: Lunch Provided
  • Cost: $50
  • CEU: 4 OH CEU

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

Installation & Service on Universal Heat Pumps

  • Date: Thursday April 17th 2025 (8:00am-12:00pm)
  • Location: 2J Supply Columbus Branch
  • Refreshments: Lunch Provided
  • Cost: $50
  • CEU: 4 OH CEU

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

A2L Recovery & Evacuation Best Practices

  • Date: Tuesday April 22nd 2025 (9:00am-11:30am)
  • Location: 2J Supply Columbus Branch
  • Refreshments: Lunch Provided
  • Cost: $25
  • CEU: 2 OH CEU

Join us for an essential A2L Recovery & Evacuation Training session led by Appion. This training will provide HVAC professionals with key insights into A2L refrigerant handling and best practices for recovery and evacuation.

Installation & Service Heat Pumps

  • Date: Tuesday May 6th 2025 (8:00am-12:00pm)
  • Location: 2J Supply Louisville Branch
  • Refreshments: Lunch Provided
  • Cost: $50
  • CEU: 4 KY CEU

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

Installation & Service Heat Pumps

  • Date: Wednesday May 7th 2025 (8:00am-12:00pm)
  • Location: The Corbin Center, 222 Corbin Center Dr, Corbin, KY 40701
  • Refreshments: Lunch Provided
  • Cost: $50
  • CEU: 4 KY CEU

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

Installation & Service Heat Pumps

  • Date: Thursday May 8th 2025 (8:00am-12:00pm)
  • Location: 2J Supply Huntington Branch
  • Refreshments: Lunch Provided
  • Cost: $50

Join us for the RD18 Heat Pump Installation & Service training, a hands-on class designed to equip HVAC contractors with the skills needed to install and service Universal Heat Pumps effectively. Led by industry experts Rob Tozser and Rob Dill, this session will cover best practices, troubleshooting techniques, and key installation procedures to ensure optimal system performance.

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Real-time A2L Answers with 2J Supply's ASK A2L

AskA2L is a tool for our customers powered by 2J Supply, HARDI, and AI innovators at Distro. This chat function is available 24/7/365 and trained exclusively by industry policy experts. It gives accurate, timely, and verified answers to any HVACR A2L-transition, compliance-related questions.


2J Supply HVAC Calculators

Explore our collection of essential HVAC calculators designed to help contractors quickly and accurately calculate airflow, load, duct size, and more. These tools streamline complex calculations, ensuring efficient system design and optimal performance for every project.


Join the HVAC Community: Amplify Your Expertise,
Spark Discussions, and Ignite the TechTalk!

Amplify your HVAC skill sets and advance your career and business with

 2J University.

We offer different types of HVAC training available to contractors

CEU Credit Courses

 We want to help contractors meet licensing requirements through training to help them be more knowledgeable and professional. You may earn CEU credits for successfully completing each course.

Product Training Events

These events are designed for contractors who work with the brands of the equipment sold at 2J Supply. Classes are online or in-person with hands-on instruction and include in-depth information on individual products and product families.

Interested in HVAC Training Courses?

Complete our request form to stay updated with our next training event.