What are the opening hours?

Monday 7:30am - 4:30pm Tuesday 7:30am - 4:30pm Wednesday 7:30am - 4:30pm Thursday 7:30am - 4:30pm Friday 7:30am - 4:30pm Saturday 8:30am - 10:30am

Johnstone Supply

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United States
Earth City, MO
Johnstone Supply

*The Wines Group*
We strive to live out our core focus of "making it easier for customers to succeed"
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Johnstone Supply Earth City is a leading HVAC/R Wholesale Distributor serving local contractors 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.

09/11/2026

👋Everyone, meet Darian!
Darian is the assistant branch manager at our Paducah location and one of our Q2 Core Values winners! He has showed up and showed out since his start in 2023 and has been a great asset to our team helping out when needed.
Next time you're in Paducah, be sure to give Darian a shoutout!

09/10/2026

Stock smarter and fix faster, with White-Rodgers Connect. Universal control modules that replace thousands of OEM part numbers. Configure and diagnose right from your phone. No Wi-Fi and no login needed. Stock up at JohnstoneSupply.com or in-store today.

09/09/2026

One word to describe the Nu-Calgon Scorpion: INDESTRUCTIBLE!

Grab it and the iWaveR for 10% off at www.johnstonesupply.com

09/07/2026

Whether you’re taking the day off or staying on the grind, take a moment to appreciate the hard work that got us here. Happy Labor Day from Johnstone Supply!

09/04/2026

Whether its 2-tens or 2-tons, we'll make sure you leave with the best industry-leading products!

09/02/2026

There’s a ductless solution for every room and every job with Daikin, our September Supplier of the Month. Offering single-zone and multi-zone systems that independently manage temperatures across all the different zones of your customers homes. Find out more on how to provide heating and cooling solutions for sunrooms, workshops, multi-family units, additions, and more at JohnstoneSupply.com/Daikin.

09/01/2026

🎉GIVEAWAY ALERT🎉
We're giving out a FREE seat to one of our continuing ed training classes!
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One Winner that does all three of those will be announced at the beginning of October! Good Luck!

08/31/2026

Enter for a chance to win $500 in JU Rewards! Complete the course, Cielo – Ducted and Ductless Thermostats Features and Benefits from Pro 1 by DiversiTech before the September 30th, 2026 deadline for your entry. Cielo provides smart thermostat solutions for both Mini-Splits and Central HVAC Systems. Get trained and enter for a chance to win! Visit JohnstoneUniversity.com to for full terms & conditions.

08/26/2026

Shoutout to Heat Exchanger Experts for a wonderful training last week! We had a great turnout.

08/24/2026

Replace over 1,000 part numbers with White-Rodgers Connect Controls. Check out the Universal Furnace Control, HSI Ignition Module, and the All-Spark. No Wi-Fi. No login. Just faster jobs and fewer callbacks. Stop by in-store and pick one up to try on your next job.

Address

50 Athletic Drive
Earth City, MO
63045

Opening Hours

Monday	7:30am - 4:30pm
Tuesday	7:30am - 4:30pm
Wednesday	7:30am - 4:30pm
Thursday	7:30am - 4:30pm
Friday	7:30am - 4:30pm
Saturday	8:30am - 10:30am

Telephone

+13142918788

Website

https://www.powerofjs.com/

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