Johnstone Supply Detroit Group

Johnstone Supply Detroit Group HVAC/R Wholesale Distributor National strength, Local service. We’re your wholesale source for over 70,000 HVACR parts, equipment and supplies.

Take us with you wherever you go—we’re mobile optimized.

Replace over 1,000 part numbers with White-Rodgers Connect Controls. Check out the Universal Furnace Control, HSI Igniti...
08/26/2026

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.

Mark your calendars, we are closed on Labor Day!
08/25/2026

Mark your calendars, we are closed on Labor Day!

Just one week remaining with our August Power Deal on the Ranco Digital Defrost Controller. Find time to take advantage ...
08/24/2026

Just one week remaining with our August Power Deal on the Ranco Digital Defrost Controller. Find time to take advantage of this online-only $10 discount before the end of this month.

08/21/2026

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!

Two speeds, one motor. The Genteq Evergreen OM covers 825 and 1075 RPM calls in one shot. Why stock two motors when one ...
08/20/2026

Two speeds, one motor. The Genteq Evergreen OM covers 825 and 1075 RPM calls in one shot. Why stock two motors when one covers both, costs less, and upgrades you to an ECM? Its shorter body fits more places, too. Stop by in-store to learn more about the Evergreen OM today.

For two more weeks, buy six AprilAire E-Series dehumidifiers and get the seventh free. Mix and match any model, they all...
08/19/2026

For two more weeks, buy six AprilAire E-Series dehumidifiers and get the seventh free. Mix and match any model, they all stack toward your free unit. Don’t miss out, stop in-store and ask our counter staff how to claim your free dehumidifier before the end of the month.

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.

Storm season is upon us. Get ahead with these 3 tips on how to best prepare your customers for storm season.Run Test Cyc...
08/14/2026

Storm season is upon us. Get ahead with these 3 tips on how to best prepare your customers for storm season.
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.

With ICM, replace dozens of parts with just ONE. The Universal Head Pressure Control and Universal Programmable Timer ca...
08/10/2026

With ICM, replace dozens of parts with just ONE. The Universal Head Pressure Control and Universal Programmable Timer can be set up in just minutes from your phone with the OMNI App. Finish more jobs on the first trip with ICM Universal Controls today.

Address

12800 Lyndon Street
Detroit, MI
48227

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 8am - 12pm

Telephone

(313)4914911

Website

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