Founded in 1925, A.J. Celiano brings over a century of experience delivering comprehensive HVAC solutions across service, construction, and building automation for commercial and industrial facilities.

From complex system installations and new construction projects to ongoing service, maintenance, and advanced Building Management Systems (BMS), our team provides end-to-end support designed to improve reliability, optimize performance, and drive measurable energy savings.

Backed by strong industry partnerships, leading technologies, and deep technical expertise, we help organizations operate more efficiently while maintaining full control of their mechanical systems.

At A.J. Celiano, innovation is not just part of our history—it’s how we continue to deliver value today.
With their use of state-of-the-art equipment, proprietary technologies, and an extensive roster of vendors and industry partners, the possibilities are endless. When you think innovation, think AJ Celiano.

A.J. Celiano, Inc.

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