Johnstone Supply NJ

Johnstone Supply NJ Premier HVAC/R wholesaler dedicated to providing industry leading products, services & solutions to contractors throughout our local NJ & NY communities.
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Committed to being More Than A Supply House, Johnstone helps build stronger HVAC/R businesses through innovative solutions, contractor training and the largest selection of HVAC/R products in the industry. Our 9 branch locations are dedicated to providing products, knowledge and services to our contractor/industrial customer base.

06/04/2026

😎Johnstone Supply has everything you need to get the job done!
Goodman bundles are at their lowest price yet, plus all the accessories you need are available!

June’s sticker is all about Mini-Splits… because sometimes, Split Happens 😎❄️Grab yours FREE at the Johnstone Supply cou...
05/29/2026

June’s sticker is all about Mini-Splits… because sometimes, Split Happens 😎❄️
Grab yours FREE at the Johnstone Supply counter before they’re gone! A new sticker drops every month, so collect them all and join Johnstone’s Sticker of the Month Club.
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Congratulations to Chad, our 2026 Johnstone University Spring Semester Grand Prize Giveaway winner! 🎉Thank you for your ...
05/26/2026

Congratulations to Chad, our 2026 Johnstone University Spring Semester Grand Prize Giveaway winner! 🎉
Thank you for your continued partnership and commitment to growing your team and the HVAC industry through Johnstone University.

As we wrap up an incredible Spring Semester, stay tuned for our Fall Semester this October with more training, technical development, and growth opportunities ahead.

A huge thank you to all of our vendor partners who helped make this semester possible: Aprilaire • Arzel Zoning • Bosch • Copeland • Diversitech • Fieldpiece • FreshAire UV • Fujitsu • Goodman • JB Industries

🇺🇸 Memorial Day Online Flash Sale 🇺🇸1 DAY ONLY!Shop exclusive deals Monday, May 25th from 12:00 AM – 11:59 PM. Don’t mis...
05/22/2026

🇺🇸 Memorial Day Online Flash Sale 🇺🇸
1 DAY ONLY!
Shop exclusive deals Monday, May 25th from 12:00 AM – 11:59 PM. Don’t miss your chance to save before the sale is gone!

Commercial HVAC/RThe Best IAQ for Cooling Season ☀️Humidity and allergies are some of the biggest indoor air quality cha...
05/20/2026

Commercial HVAC/R
The Best IAQ for Cooling Season ☀️
Humidity and allergies are some of the biggest indoor air quality challenges during cooling season. From cleaner air to better comfort, we have the solutions to help keep your customers comfortable and breathing easier all summer long. 🌬️

At Johnstone University, we made learning during our spring semester even more exciting with some awesome giveaways! Che...
05/15/2026

At Johnstone University, we made learning during our spring semester even more exciting with some awesome giveaways! Check out these snapshots from a couple of our lucky winners taking home JB tools courtesy of

Congratulations!
Steven Jackson - Lane Associates Winner - Vac pump
Jennifer Murphy - Blue Ridge Heating & Cooling - JB CC Kit

Stay tuned for the JU grand prize!

We’re incredibly thankful to our dedicated vendors for sharing your knowledge, and to our valued customers, partners, an...
05/13/2026

We’re incredibly thankful to our dedicated vendors for sharing your knowledge, and to our valued customers, partners, and the Cranford community for the ongoing support throughout our Open House event. Seeing so many people come together at our largest location made the week truly special.
We’re grateful to everyone who stopped by to connect with us and continue supporting Johnstone Supply at all of our locations, old and new. Your continued trust and support mean so much to our team, and we’re proud to be part of such a strong HVAC/R community.
Special thank you to for the outstanding catering!

What a great Open House event at our Florham Park location filled with week-long savings, learning, fun, and connection....
05/12/2026

What a great Open House event at our Florham Park location filled with week-long savings, learning, fun, and connection. Thank you to our amazing vendors for sharing your expertise, and most importantly to our loyal customers and community for your continued support. We truly appreciate everyone who joined us and continues to choose Johnstone Supply.

Special thank you to for the great catering!

🚨 STARTING TODAY 🚨May 4–May 9Take advantage of our BIGGEST sale of the year 💥Enjoy 10% OFF everything* in-store & onlin...
05/04/2026

🚨 STARTING TODAY 🚨
May 4–May 9
Take advantage of our BIGGEST sale of the year 💥
Enjoy 10% OFF everything* in-store & online!
Stock up on the tools, parts, and supplies you count on to get the job done right.
🎉 Don’t miss our Open House Tradeshows
📅 May 5 & May 8
Food, fun, product demos + an unbeatable deal all week long!

Address

740 Walnut Avenue
Cranford, NJ
07016

Opening Hours

Monday 6:30am - 5pm
Tuesday 6:30am - 5pm
Wednesday 6:30am - 5pm
Thursday 6:30am - 5pm
Friday 6:30am - 5pm
Saturday 7:30am - 12pm

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