Honeywell Aerospace to Spend $500 Million on New Tempe Plant

Honeywell Aerospace announced on Tuesday that it will invest $500 million in a new manufacturing facility in Tempe, Arizona. The company stated that the expansion is necessary to meet accelerating demand from commercial aviation and defense sectors, which currently outpace existing production capacity.

The new plant, which will cover 300,000 square feet, is designed to address specific supply chain constraints. Management indicated that the facility will add internal complex machining capabilities, a segment of the aerospace supply base that remains tight. This vertical integration will allow the company to produce next-generation products, including Assure advanced actuation systems and Attune vapor cycle cooling subsystems, without relying entirely on external vendors.

Jim Currier, president and chief executive officer of Honeywell Aerospace, framed the investment as a direct result of the company's recent separation from its parent organization. “Demand for technology from Honeywell Aerospace continues to accelerate across both commercial and defense markets, and this major investment ensures we can continue delivering for our customers while unlocking long-term growth for our shareholders,” Currier said. He noted that the company's status as an independent, publicly traded entity allows for quicker decision-making regarding capital allocation.

The facility will utilize an integrated digital production system featuring modular robotics, automated inspection, and digital twins. These technologies will be connected by an end-to-end digital thread, intended to improve efficiency and precision in manufacturing processes for the company's largest aerospace and defense clients.

The project timeline indicates that construction is already underway to support more than 1,000 local jobs. The facility itself is scheduled to open in late 2028. Upon full operation, the plant is expected to employ approximately 600 people, expanding Honeywell Aerospace's engineering workforce in the region.

The announcement coincides with a recent surge in contract awards. The new capacity will support current programs as well as $15 billion in new Control Systems program wins. Additionally, the facility will increase production capacity for critical defense technologies outlined in a supplier framework agreement the company signed with the Department of War in March.

Honeywell Aerospace has operated its global headquarters in Phoenix for decades. Currier emphasized the strategic importance of the location, stating, “Arizona has been at the heart of our innovation and manufacturing operations for decades.” The company currently employs more than 36,000 people globally and serves over 10,000 customers, with this new facility situated near its existing Tempe campus.

The expansion is part of a broader effort to maintain supply chain resilience and support future aviation technologies. By bringing complex machining in-house, Honeywell Aerospace aims to reduce dependency on constrained external suppliers while meeting the specific production requirements of its defense and commercial aviation partners.