Where Legacy Meets

Innovation.

A.J. Celiano’s pursuit of excellence in quality service has defined the company as a reputable and professional leader in the industry for 99 years.

About Us

A.J. Celiano, a pioneering company established in 1925, embodies a profound commitment to sustainability, decarbonization, and innovation at its core. Driven by a passion for pushing technological boundaries, we have become leaders in the HVAC industry, amassing nearly a century of expertise. Embracing a sustainable ethos, A.J. Celiano’s expert team continually explores inventive methods to enhance energy efficiency, ensuring accessibility for businesses of all sizes. Leveraging state-of-the-art equipment, proprietary technologies, and strategic partnerships with industry vendors, we unlock boundless possibilities. For cutting-edge innovation with a green focus, look no further than A.J. Celiano.

About Us

A.J. Celiano, a pioneering company established in 1925, embodies a profound commitment to sustainability, decarbonization, and innovation at its core. Driven by a passion for pushing technological boundaries, we have become leaders in the HVAC industry, amassing nearly a century of expertise. Embracing a sustainable ethos, A.J. Celiano’s expert team continually explores inventive methods to enhance energy efficiency, ensuring accessibility for businesses of all sizes. Leveraging state-of-the-art equipment, proprietary technologies, and strategic partnerships with industry vendors, we unlock boundless possibilities. For cutting-edge innovation with a green focus, look no further than A.J. Celiano.

Our Services

Whether it be emergency service, or you’re looking to entirely revamp your commercial HVAC system, our proprietary technology, and experienced professionals are ready with innovative solutions that can help.  

mechanical hvac design and retrofit

Mechanical HVAC Design/Retrofit

commercial building automation

Building Automation

HVAC IT Rooms and Datacenters

IT Rooms/Datacenters

engineered installation

Engineered Installation

Engineer fixing HVAC unit

Emergency Service

HVAC Preventative Maintenance

Preventative Maintenance

air purification and sterilization

Air Purification & Sterilization

commercial sustainability and decarbonization

Sustainability & Decorbonization

Our Work

Our engineering work speaks for itself. A.J. Celiano prides itself on finding the most innovative ways to provide our clients with comfort and ease wrapped up in an efficient and autonomous system. Our invaluable relationships with our partners and our cutting-edge proprietary technologies allow us to have the resources to meet your project’s needs, no matter the size.

Careers

Looking for a career in the HVAC industry? We’re always looking to expand our team of technicians and engineers to provide the best service in the game. 

Contact Us

Need service or have a question? Fill out the form and someone from our team will be in touch shortly. 

Contact Us

Need service or have a question? Fill out the form and someone from our team will be in touch shortly.