Our Partners

We work with industry leading manufacturers and partners to bring you high quality parts, including:

AAON Belimo Daikin
Distech Controls KMC Controls Krueger-Web
logo_marsMammoth Nortec Condair Group

Who We Are

Committed to You
It's our pleasure to provide you with the best products available, backed by the expertise of the LONG PartsPros. Our professional team of experts is here to help ensure you get the right part for the job, the first time.

OEM Parts
We carry a large variety of Original Equipment Manufacturer (OEM) parts, so that you never have to sacrifice quality or compatibility.

Legacy & Specialty Parts
While building technology continues to advance, your system may not. LONG has exclusive access to hard-to-find legacy and specialty parts for aging systems.


Parts Available


Combined Years of Experience

Manufacturers Available