Trainings and Events
Expert-lead HVAC technical training
We offer a variety of HVAC technical training including installation, service and troubleshooting training courses. From AC 101 to Hydronics we’ll cover the important concepts to help you service your customers better and faster.
With 3 technical service advisors on staff we have the expertise to answer any of your questions quickly and accurately.
If you would like to schedule a custom training session with our Technical Service Advisor please click below to make a request.
Events
From counter days to tradeshows to trips, we want to thank you for working with us with informative and fun events throughout the year.
Maine
Diversitech Counter Day | Portland | May 8th | 9:00AM - 1:00PM
Stop by our Portland branch and talk with Jason Webber from Diversitech! He will be showing all of their products and demonstrate best practices for uses with HVAC equipment.
Nu-Calgon Counter Day | Portland | May 9th | 10:00AM - 1:00PM
Just stop in!
The Mee Group will be in Portland to promote Nu-Calgon cleaning products in advance of your busy HVAC system cleaning season.
JB Pump Day | Portland | May 13th | 9:00AM - 12:00PM
Gimper IV will be in Portland for a Counter Day on JB Pumps.
Bring your pump in and Bob will inspect it if time allows!
SRGI A2L Training | Bangor | May 15th | 8:00AM - 11:00AM
SRGI A2L Training | Portland | May 15th | 2:00PM - 4:00PM
Bosch Ductless Training | Portland | May 19th | 8:00AM - 12:00PM
TSS will be training contractors on the latest Bosch ductless A2L systems. The new R454b units will be the focus of the training.
Maryland
Fujitsu R32 Product Training | Beltsville | May 1st | 8:00AM - 11:00AM
Mike Reavis from Eklof will be coming in to go over the r32 product offerings and what to expect in the field.
Fujitsu R32 Product Training | Annapolis | May 2nd | 8:00AM - 11:00AM
Mike Reavis from Eklof will be coming in to go over the r32 product offerings and what to expect in the field.
Bosch IDS| Beltsville| May 12th | 8:00AM - 10:00AM
Breakfast provided –
Bosch IDS
- Covering the Bosch IDS Product line in R410a
- Installation best practices and procedures
- Service Procedures and Resources
Bosch IDS| Annapolis| May 13th | 8:00AM - 10:00AM
Breakfast provided –
Bosch IDS
- Covering the Bosch IDS Product line in R410a
- Installation best practices and procedures
- Service Procedures and Resources
Massachusetts
MassSave/Resideo Training | Springfield | April 14th| 8:00 AM- 12:00 PM
A Q&A training for 2025 with a MassSave representative, and a Resideo Integrated Controls combination training.
EVACUATION AND RECOVERY TRAINING | Waltham | April 15 | 1:00PM - 3:00PM
NAVAC EVACUATION AND RECOVERY TRAINING
SRGI Counter Day | Medford | April 30th| 7:00 AM - 10:00 AM
Stop by our Medford Branch to see our rep from SRGI! He will be on site going over our Fujitsu product offering.
Mee Group Counter Day | Medford| May 2nd| 8:00 AM - 11:00 AM
Stop by our Medford Branch to see our rep from the Mee Group! He will be on-site to cover all products offered by the mee group.
TSS associates Counter Day | Medford| May 14th| 10:00 AM - 2:00 PM
Stop by our Medford Branch to see our rep from TSS associates! He will be on-site covering our Bosch product offering.
Morley Associates Counter Day | Medford| May 5th| 7:00 AM - 10:00 AM
Stop by our Medford Branch to see our rep from the Morley Associates! He will be on-site to cover all products offered by them.
Stamberger-Sender Counter Day | Medford| May 22nd| 10:00 AM - 2:00 PM
Stop by our Medford Branch to see our rep from Stamberger-Sender! He will be on site to showcase the products they cover.
JB Pump Counter Day | Medford| May 23rd| 7:00 AM - 10:00 AM
Stop by our Medford Branch to see our rep from JB! He will be on site to do oil changes on any vacuum pump brought in!
Williston Allen Counter Day | Medford| May 25th| 7:00 AM - 10:00 AM
Stop by our Medford Branch to see our from Williston Allen will be on-site to cover all products offered by them.
Resideo Counter Day | Waltham| June 5th| 10:00 AM - 2:00 PM
Stop By our Waltham location and learn about the new focus pro thermostat, Resideo pro perks, Wi-Fi water shut off and the private label program.
New Hampshire
Bosch Live Fire Boiler Training| Bosch Academy, 50 Wentworth Ave, Londonderry, NH| April 24th | 8:00AM - 10:00AM
You’re invited to an exclusive Bosch Boiler Live Fire Training at the Bosch Training Facility in Londonderry, NH. This hands-on event is designed to give you a real-world look at Bosch’s latest high-efficiency boiler technology in action. You’ll experience live fire demonstrations, learn best practices for installation, and gain troubleshooting insights directly from factory-trained Bosch technical experts. It’s the perfect opportunity to sharpen your skills, ask questions, and connect with industry pros—all in a cutting-edge facility built for learning. Enjoy food, drinks, and Bosch giveaways while getting the knowledge you need to save time in the field and boost your bottom line. The event is free to attend, but space is limited, so don’t wait to reserve your spot.
Goodman A2L Training| Manchester| May 6th | 8:00AM - 9:30AM
The EPA has issued a new rule phasing out High GWP refrigerants (HFCs) in HVAC equipment. This means the current refrigerant will be replaced with two more eco-friendly alternatives. Additionally, there are new installation and manufacturing deadlines for equipment. Be prepared for the new EPA regulations and upcoming deadlines by signing up for an A2L Training at your local Johnstone Supply.
NAVAC Counter Day | Manchester| June 3rd| 8:00 AM - 10:00 AM
Join Us for NAVAC Counter Day at Johnstone Supply – Manchester!
| Come connect with the NAVAC team and explore their latest HVAC tools and innovations designed to make your job easier and more efficient. Whether you’re already a NAVAC fan or curious about their lineup, this is a great chance to get hands-on and ask questions. |
Pennsylvania
Fujitsu Tech General| Broomall | April 22nd | 8:00 AM - 10:00 AM
Training lead by Fujitsu
Bosch IDS 454b Training| Downingtown| April 18th| 8:00 AM - 11:00 AM
Mick will be hosting an update training on Bosch IDS 454b Equipment covering updates to the equipment and installation processes.
Fujitsu Tech General| KOP | April 29th | 8:00 AM - 10:00 AM
Training lead by Fujitsu
Heat Pump and AC 101| KOP | April 24th | 8:00 AM - 12:00 PM
Heat Pump and AC 101
- Heat Pump Component overview
- Air Conditioner overview
- Component Location and refrigerant cycle
- Best Installation Practices
- Service and Troubleshooting Procedures
JB Pump Days | Downingtown | APRIL 24th | 8:00AM - 11:00AM
Learn about JB vacuum pumps and new features. You can get your existing vacuum pump serviced for free.
A2L Refrigerant Training | Broomall | APRIL 28TH | 8:00AM - 11:00AM
Our TSA Mick will be going over the new A2L refrigerants and best practices
Southwark Counter Day | Downingtown | April 30th | 8:00AM - 11:00AM
Come chat all your metal needs with Brad from Southwark at the Downingtown Store!
RLS Counter Day| Downingtown | May 5th | 8:00 AM - 10:00 AM
Stop by our Downingtown Branch and talk to your local RLS contact!
RLS Counter Day| Norristown | May 6th | 8:00 AM - 10:00 AM
Stop by our Norristown Branch and talk to your local RLS contact!
RLS Counter Day| Broomall | May 7th | 8:00 AM - 10:00 AM
Stop by our Broomall Branch and talk to your local RLS contact!
RLS Counter Day| Colmar| May 8th | 8:00 AM - 10:00 AM
Stop by our Colmar Branch and talk to your local RLS contact!
Honeywell Generators | KOP | April 17th| 8:00AM - 11:00AM
Market Overview, site prep, fuel considerations, back up options, transfer switch, connections, and sizing.
CAR SHOW! | Norristown | May 16th | 12:00 PM - 3:00 PM
Swing by with your timeless classic car for a lunch that’ll rev your engines, plus a chance to snag car awards and fabulous prizes from our awesome vendors!
Uniweld Counter Day| Broomall | May 14th | 8:00 AM - 10:00 AM
Stop by our Broomall Branch and talk to your local Uniweild contact and get ready for our Brazing & Flame Safety Training!
Uniweld Counter Day| Downingtown | May 15th | 8:00 AM - 10:00 AM
Stop by our Downingtown Branch and talk to your local Uniweild contact and get ready for our Brazing & Flame Safety Training!
Uniweld Counter Day| Norristown | May 20th | 8:00 AM - 10:00 AM
Stop by our Norristown Branch and talk to your local Uniweild contact and get ready for our Brazing & Flame Safety Training!
Uniweld Counter Day| Colmar | May 22th | 8:00 AM - 10:00 AM
Stop by our Colmar Branch and talk to your local Uniweild contact and get ready for our Brazing & Flame Safety Training!
Testo Counter Day | Downingtown| May 22nd| 8:00 AM - 2:00 PM
| Stop By our Downingtown Branch and spend some time with Scott and learn about all things Testo. What’s new with their products and what is coming. Plus have any questions answered! |
RLS Press Training | Downingtown | May 21st | 8:00 AM - 12:00 PM
Joe Cotsis will be instructing a class on RLS press fittings and application. It will cover product knowledge, application and hands on Press training.
Brazing and Flame Safety | Downingtown| May 28th | 8:00 AM - 12:00 PM
Brazing and Flame Safety-
A field training course that last approximately 2 hours with lecture/ discussion and demonstrations. Nate Credits Provided
Fire Triangle, Fuel Gases & Cylinders, Flame tool set up and safety, Alloys , Nitrogen regulators and flow indicators, Brazing Demonstration
New York
Grundfos/Uponor product lines Counter Day! | Troy| April 22nd
Please Stop by our Troy location on April 22nd and visit with Mike our Rep from WMS sales he will be going over Grundfos/Uponor product lines!
RTU commissioning| Troy| June 4th | 8:00AM - 12:00PM
RTU commissioning
Vermont
GRAND OPENING IN WILLISTON | MAY 22nd
Diversitech Ductless Accessories | Williston| May 22nd| 10:00 AM - 11:30 AM
Stop By May 22nd at our Williston Grand Opening and see Diversitech! This training will go over accessories and Attachments for Ductless Installation and Maintenance!
Rectorseal HVAC overview | Williston| May 22nd| 1:00 PM - 2:30 PM
Rectorseal HVAC overview-
Surge protection
Chemicals for cleaning systems
Condensate management
Fieldpiece Training| Williston | June 11th | 9:00 AM - 11:00 AM
Efficiency Vermont is hosting at Fieldpiece Training.