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

SPACEPAK Training | Bangor | June 18th | 9 AM- 12 PM

Sign Up Here!

Spacepak High Velocity factory certification class.

Your company will become a certified installer, receive leads, and get additional warranties on the products you install.

Maryland

Massachusetts

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.

KLEIN HAND TOOL SEASON LAUNCH | Waltham| May 14th| 11:00 AM - 1:30 PM

Stop by our Waltham location for Instore and Vendor discounts on Klein tools totaling 20% off your Klein purchase!

Lunch Provided!
Our Klein rep will be here to answer any questions.

JS Waltham Contractor Event_5-14-2025 (004)

Fantech fresh air appliance counter day | Waltham| May 21st| 8:00 AM - 12:00 PM

Flynn and Reynolds manufacturer rep will be here to answer all questions about fresh air appliances

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 27th| 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

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

HVAC NATIONALS ROUND 1| Downingtown | May 19th | 11 AM

Sign Up Here!

Join us for live on-site testing:

One Participant is Guaranteed to Qualify for Round 2! Qualify In-Person at Johnstone Supply Downingtown and enjoy catered lunch, promotions, and giveaways
(May 19th, 11AM)

Uniweld Counter Day| Norristown | May 20th | 8:00 AM - 10:00 AM

Stop by our Norristown Branch and talk to your local Uniweld 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 Uniweld 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

Sign Up Here!

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

Sign Up Here!

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

Resideo and testo Counter Day | Norristown| May 28th| 8:00 AM - 11:00 AM

Stop By our Norristown location and learn all about Resideo and testo products with Scott Sweigert!

Scratch & Dent Sale! | Downingtown | June 2nd | 8:00 AM - 3:00 PM

Stop By our Downingtown Branch for a 1 day only scratch & dent Sale! Enjoy lunch on us and major discounts on equipment!

CAR SHOW! | Norristown | June 6th | 12:00 PM - 3:00 PM

Register Car Here!

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!

UEI Counter Day | Norristown| June 17th| 8:00 AM - 11:00 AM

Stop by our Norristown location and check out our UEI counter day!

Resideo IAQ| Downingtown | June 19th | 10:00 AM - 12:00 PM

Sign up Here!

Training on Resideo IAQ products with Jayla from Resideo.  Lunch will be provided at the end.

New York

RTU commissioning| Troy| June 4th | 8:00AM - 12:00PM

Sign Up Here!

RTU commissioning

Vermont

GRAND OPENING IN WILLISTON | MAY 22nd

Diversitech Ductless Accessories | Williston| May 22nd| 10:00 AM - 11:30 AM

Sign Up Here!

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

Sign Up Here!

Rectorseal HVAC overview-

Surge protection

Chemicals for cleaning systems

Condensate management

Fieldpiece Training| Williston | June 11th | 9:00 AM - 11:00 AM

Sign Up Here!

Efficiency Vermont is hosting at Fieldpiece Training.