OVERVIEW
 

Driving Innovation Across Every Automation System

 

Hirose delivers high-performance connector solutions trusted by the world’s leading automotive brands and emerging tech innovators. From LiDAR and lighting to battery systems and infotainment, our rugged, compact designs support next-generation vehicle performance in the harshest environments.

 

See What’s Next in Automotive

Let’s connect in person! Meet our team and explore what’s possible at these upcoming shows:

Battery Show – Sept. 10–12, Novi, MI

EV Tech Expo – Nov. 5–7, Long Beach, CA

View Full Event Schedule
 

Connector Solutions for Commercial & Residential HVAC Systems

 

Connector support for packaged units, split systems, and residential and commercial HVAC equipment. Connector solutions for HVAC system integration—supporting communication, sensing, and power connectivity across indoor and outdoor units in residential and commercial installations. Built to support reliable operation in space-constrained, vibration- and temperature-exposed environments.

 

Connector Selection for HVAC Systems

 
 

Design considerations for selecting reliable connectors across packaged and split HVAC system architectures.

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Featured Product

Featured connector solution for branched signal and power wiring in HVAC control systems.

 FEATURED PRODUCT
 

Branch Wire-to-Board Connectivity for HVAC Control Wiring

 

HVAC control boards often require multiple signal and power lines to branch from a single source across indoor and outdoor units. The DF51B Branch Series simplifies wiring with positive-lock, crimp-type connections that support clean cable routing and reliable connections in compact HVAC control enclosures.

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Industry Insights

Technical insights and design resources for industrial and HVAC system development.

RESOURCES: DESIGN GUIDES & TOOLS
 

Refine Your Design

Advanced Tools & Guides for Design Excellence

 

Comprehensive library to help tackle complex design challenges. From application blueprints to detailed technical brochures, discover how Hirose’s advanced solutions can elevate your product designs.

SUCCESS STORIES: CASE STUDIES & EBOOKS
 

Real-World Solutions

Innovative Solutions for Real-World Challenges

 

Explore how Hirose’s connectors drive innovation across industries by solving complex design challenges. Learn from detailed case studies and short stories that showcase our expertise in advanced technologies.

RESOURCES: DESIGN GUIDES & TOOLS
 

Refine Your Design

Advanced Tools & Guides for Design Excellence

 

Comprehensive library to help tackle complex design challenges. From application blueprints to detailed technical brochures, discover how Hirose’s advanced solutions can elevate your product designs.

 

Case Studies

Real-World Defense & Aerospace Solutions

 

See how top OEMs overcame design challenges in XR and tactical systems with Hirose connectors—achieving lighter, smaller, and more rugged solutions.

 

Application Guides

Design with Confidence

 

Explore connector blueprints for defense and aerospace XR devices—revealing placement, pitch, and layout strategies for robust, space-saving integration.

 
 
   HVAC System Connector Products

Connector solutions designed to support control, sensing, and power distribution in HVAC equipment, including packaged units, split systems, and residential and commercial installations.

HVAC  |  REFRIDGERATED CONTAINERS  

BH12 Series

20A Current, 14 AWG, IPX6/IPX7 Waterproof, Signal + Power Hybrid

 

Product | Image of Hiroses BH12 connector, optimized for board-to-board connections, highlighting its high current rating and wide temperature range for micro-mobility applications.

HVAC  |   CHILLERS  

DF22B Series

7.92mm Pitch, Up to 30A, High-Current Branch Adapter Connector

HiroseAmericas_DF22B_LP Image_012026

HVAC  |  THERMOSTAT  |  CHILLERS  

DF51B Series

2.0mm Pitch, Positive-Lock Crimp Branch Connector

Image of DF51B Branch Series Connector by Hirose Electric, showcasing its 2mm pitch, positive lock design, and versatile connection options

 

EXPLORE MORE

Application Guides

BATTERY PACK

POWER DISTRIBUTION

 

Resources

ix INDUSTSTIAL

SIGNALBEETM

ENERBEETM

FUNCTIONMAXTM

HVAC  

DF60FS Series

Up to 45A, High-Current Wire-to-Board Power Connector for Internal Power

HiroseAmericas_DF60FS_LP Image2_012026

HVAC  |   CHILLERS  |  REFRIDGERATED CONTAINERS  

DF63W Series

3.96mm Pitch, IP67 Waterproof, Up to 14A Power Connector

 

Product | Image of Hiroses compact DF63W connector, tailored for waterproofing internal power supplies in micro-mobility devices.

HVAC  |   THERMOSTAT  

ix Industrial™ Series - Waterproof

IEC 61076-3-124, IP65/IP67, Push-Pull Lock Industrial Ethernet I/O Connector

HiroseAmericas_Waterproof_IX_LP Image2_012026

More Climate Control Solutions

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Need More Solutions?
Let's Talk Through Your Design
 
Our engineers can help identify connector options across your HVAC systems.