Johnstone Supply of SE WI-Waukesha

Johnstone Supply of SE WI-Waukesha Wholesale HVAC/R Distributor Plus, our relationships with hundreds of the industry's top manufacturers give you access to a million special order parts.

Johnstone Supply Milwaukee is a leading HVAC/R Wholesale Distributer 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. From equipment, to parts, to supplies you can be confident Johnstone has what you need today. Johnstone Supply: Making it Easier to do Business.

Working a hydronics job? Johnstone has it handled. Boilers, pumps, valves, water heaters and more. All the brands you tr...
09/14/2026

Working a hydronics job? Johnstone has it handled. Boilers, pumps, valves, water heaters and more. All the brands you trust, all in one place. Check out our hydronics insert in this month's flyer or ask your local counter. Johnstone Supply. We've got hydronics handled.

Our technician in the field on a Friday attic SpacePak job!
09/11/2026

Our technician in the field on a Friday attic SpacePak job!

Stock smarter and fix faster, with White-Rodgers Connect. Universal control modules that replace thousands of OEM part n...
09/11/2026

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.

Count on Resideo for nearly every job. From pumps and valves for hydronics systems to filtration solutions and humidity ...
09/09/2026

Count on Resideo for nearly every job. From pumps and valves for hydronics systems to filtration solutions and humidity control for total comfort all season long. Every Resideo purchase earns you ProPERKS points. Find it all at Johnstone Supply.

09/08/2026

People say they can wait to replace their air filters…so we put it to the test and looked at what the science says.
👇 What myth should we test next?

Whether you’re taking the day off or staying on the grind, take a moment to appreciate the hard work that got us here. H...
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!

Address

N59W13730 Manhardt Drive
Waukesha, WI
53051

Opening Hours

Monday 7am - 4:30pm
Tuesday 7am - 4:30pm
Wednesday 7am - 4:30pm
Thursday 7am - 4:30pm
Friday 7am - 4:30pm
Saturday 8am - 12pm

Telephone

+12626501500

Website

Alerts

Be the first to know and let us send you an email when Johnstone Supply of SE WI-Waukesha posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share

Category