Johnstone Supply

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.

There’s a ductless solution for every room and every job with Daikin, our September Supplier of the Month. Offering sing...
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!

Enter for a chance to win $500 in JU Rewards! Complete the course, Cielo – Ducted and Ductless Thermostats Features and ...
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.

Replace over 1,000 part numbers with White-Rodgers Connect Controls. Check out the Universal Furnace Control, HSI Igniti...
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.

08/20/2026

Veto Pro Pac tool bags have arrived at Johnstone Supply! Designed for the demands of HVAC professionals, these bags keep your tools organized and ready to go. Just look at everything you can fit!
Stop by the counter and ask a team member about Veto Pro Pac today!

08/19/2026


Last week, our central region team got to enjoy a Gateway Grizzlies game.

08/17/2026

The Rooftop Selector finds you the right equipment for every commercial job you have, no matter what brand needs replacing. Log in online and quickly identify the right equipment, faster than ever.

Prepare your customers for storm season with these 3 tips.Run Test CyclesTest the Transfer SwitchCheck the Battery/Fuel ...
08/14/2026

Prepare your customers for storm season with these 3 tips.

Run Test Cycles
Test the Transfer Switch
Check the Battery/Fuel Supply
Suggest your own tips for how to prepare your homeowners below!

08/12/2026

Stock smarter. Fix faster. Earn more. We know in the HVACR business, time is money. Stocking universal replacements is the easiest way to streamline your workflow and increase your profitability. By keeping versatile parts, like universal controls and motors, right on your truck, you can complete more jobs on the first visit and deliver the fast service your clients expect.
Don't miss our special universal parts insert inside the August flyer. Stop by your local Johnstone Supply today to talk with our counter staff about how a universal stocking strategy can help take your business to the next level.

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

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