Johnstone Supply NJ/PA

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Johnstone Supply NJ/PA Johnstone Supply is a wholesale distributor serving professional HVACR contractors in NJ/PA. Johnstone Supply: Making it Easier to do Business.

Johnstone Supply of Mt Laurel is a leading HVAC/R Wholesale Distributor with access to over 70,000 locally stocked products and inventory so you can get it same or next day in most cases. Our product selection is continually growing to meet the needs of HVACR contractors to ensure we have the best brands and technology. Plus, our relationships with hundreds of the industry's top manufacturers give you access to a million special order parts. From equipment, to parts, to supplies you can be confident Johnstone has what you need today.

Select Resideo universal parts are buy 2 and save, only at Johnstone Supply this month. Gas valves, ignition controls, h...
10/16/2026

Select Resideo universal parts are buy 2 and save, only at Johnstone Supply this month. Gas valves, ignition controls, hot surface igniters, fan timers, and thermocouples. Keep the parts you need on your truck and cover your next few calls, no matter what the job turns out to be. Stop by to stock your truck today.

10/14/2026

TECH TIP: Customers complaining of loud noises when the heatpump goes into a defrost cycle? Solve it using the reversing valve delay. Manufacture default is set to 30 seconds. Reduce the pressure in the system, reduce noise, and reduce customer concern and callbacks with one easy switch.

10/13/2026

🔥 TODAY! Get ready for boiler season with Velocity!

Stop by Johnstone Supply for our Velocity Product Showcase—check out the equipment, ask questions, and get ready for your next install.

📍 Vineland: 7–9:30 AM
📍 Mt. Laurel: 11 AM–2 PM

Swing by and talk boilers with Velocity!

10/12/2026

🔥 THIS FRIDAY at Johnstone Supply Mt. Laurel!

Join us for NAVAC Appreciation Day with POWERHOUSE SALES Get an up-close look at the latest NAVAC tools, talk shop with the experts, and discover new ways to make your next job easier.

And of course, come hungry! we’ve got the hoagies covered!

📅 Friday, October 16th
⏰ 11 AM – 1 PM
📍 114 Gaither Drive, Mt. Laurel, NJ

Great tools. Great food. Great people. See you Friday!

Installed during COVID? It’s time to replace the units installed during the COVID IAQ surge in 2020. Replace with a new ...
10/12/2026

Installed during COVID? It’s time to replace the units installed during the COVID IAQ surge in 2020. Replace with a new cell to maintain performance and avoid callbacks. Check your records, restock, and schedule replacement. Johnstone Supply stocks the replacement cells for REME HALO, REME HALO Zero, HALO-LED, and more. Visit us in-store today to see which one would be the best fit for your project.

Fujitsu’s eco-friendly R-32 product lines are a perfect blend of innovation, performance, and efficiency to meet all you...
10/09/2026

Fujitsu’s eco-friendly R-32 product lines are a perfect blend of innovation, performance, and efficiency to meet all your application needs. The newly expanded* line of multi-zone systems share common indoor units with their single-zone systems so you can increase your installation flexibility without sacrificing functionality. Visit JohnstoneSupply.com/Fujitsu to learn more about Fujitsu's R-32 ductless mini-split systems.

10/08/2026

Great turnout yesterday at The Lab for our Amana S-Series Training!

A big thank you to our Senior Technical Specialist Joe Vagnozzi and our Daikin representative for helping our contractors stay ahead of the curve with the latest Amana S-Series technology.

The technology keeps evolving. Are you keeping up?

Explore upcoming training opportunities at johnstoneprograms.com

Great turnout yesterday at The Lab for our Amana S-Series Training!A big thank you to our Senior Technical Specialist Jo...
10/08/2026

Great turnout yesterday at The Lab for our Amana S-Series Training!

A big thank you to our Senior Technical Specialist Joe Vagnozzi and our Daikin representative for helping our contractors stay ahead of the curve with the latest Amana S-Series technology.

At Johnstone Supply NJ | PA, we believe investing in contractor education is investing in the future of our industry. The more knowledgeable our contractors are, the more confident and successful they become in the field.

The technology keeps evolving. Are you keeping up?

Explore upcoming training opportunities at johnstoneprograms.com

10/07/2026

Are you ready to rock? Enter for a chance to win The Ultimate Fan Experience Giveaway to see the Masters of Metal live in Las Vegas! Enjoy a VIP trip with luxury accommodations, round-trip airfare, and premium tickets for an immersive concert experience. Enter to win through October 31st. You’ll be off to never-never land!
Thanks to our key sponsors, Goodman, Rectorseal, Bosch, Fujitsu, Colman, Comfort-Aire, and Resideo.

10/06/2026

🔥 Boiler season is here! How’s your hydronics game?

Make sure you and your techs are ready for winter. Build your skills, boost your confidence, and get prepared for your next install with Johnstone Supply training.

Visit johnstoneprograms.com to explore upcoming classes and register today! 💪

Address

114 Gaither Drive
Mount Laurel, NJ
08054

Opening Hours

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

Telephone

+18567510100

Website

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