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King of Parts
At Johnstone Supply, we take pride in being the largest HVAC distributor in the United States, with over 450 stores nationwide.
Whether you need original equipment manufacturer (OEM) parts or high-quality aftermarket solutions, we have the largest inventory of parts to keep your business running smoothly.
OEM Parts from Leading Manufacturers
We are committed to providing you with the highest-quality parts from the most trusted names in HVAC. Our extensive selection of OEM parts includes top brands such as:
- Carrier
- Trane
- Rheem
- Lennox
- York
With us, you can be confident that you're getting the exact parts your systems need, ensuring reliable performance and long-lasting results.
Aftermarket Solutions You Can Trust
In addition to OEM parts, we also offer a wide variety of dependable aftermarket parts from industry leaders like:
- White Rodgers
- Rescue Motors
- Supco
- Emerson
- DiversiTech
These aftermarket options provide cost-effective alternatives without compromising quality, helping you keep your projects on budget.
Your Nationwide Partner
With our vast network of stores, you’re never far from the HVAC parts and supplies you need. Our knowledgeable staff is ready to assist with expert advice and fast service, ensuring you get the right parts at the right time
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