Johnstone Supply - Santa Ana

Johnstone Supply - Santa Ana Johnstone Supply is your one-stop shop, with a variety of options in unitary and specialty equipment Johnstone Supply: Making it Easier to do Business.

Johnstone Supply Santa Ana 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 yo

u access to a million special order parts. From equipment, to parts, to supplies you can be confident Johnstone has what you need today.

The September Power Deal is here! Save $25 on a Universal Wi-Fi Thermostat from Pro-1 when you purchase online or in the...
09/04/2026

The September Power Deal is here! Save $25 on a Universal Wi-Fi Thermostat from Pro-1 when you purchase online or in the new mobile app. Log in now to claim this exclusive deal on the thermostat that fits every system.

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.

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.

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.

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!

Address

520 E Dyer Road
Santa Ana, CA
92707

Opening Hours

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

Telephone

+17145564822

Website

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