Refrigeration Systems Design and Build


We have a team of design engineers who have more than 30 years experience in the design and installation of industrial refrigeration systems. Our company's culture centers around innovative design and high installation quality to satisfy our client needs. We provide turnkey project management services backed by the comprehensive knowledge of all disciplines. From designing plants through to commissioning projects, clients get exactly what they want and need—all from one source of accountability and responsibility. Whether performing preventive maintenance, establishing operations and maintenance programs or conducting engineering analyses, our solutions offer a slew of benefits to our clients. Our integrated expertise allows us to dive deep into clients’ facilities and make trusted recommendations for improvements, repairs or optimizations. . At RefTech Ltd we are always striving to improve quality levels and energy efficiency of our projects. RefTech Ltd has a long history of projects ranging from single small water chillers to complete processing plants. We have undertaken large scale projects for the meat and dairy processing companies and storage complexes for the cold storage operators.



Our Capabilities


Ammonia Refrigeration Packaged Equipment

Reftech manufactures standard and custom ammonia refrigeration systems and packages, Design includes 200-5000kW Ammonia chillers, water or glycol chillers. Cold storage packages designed specifically for the cold storage industry, these packages can support an entire facility available for ammonia or CO2 evaporators.


Ammonia Refrigeration Fabrication & Installation

RefTech experts can field-install and then commission your ammonia system in virtually any location in New Zealand. To support field installations, we prefabricate systems in our state-of-the-art fabrication facilities, performing work offsite to achieve the highest quality and efficiency. Our welders are ASME certified and trained in Reftech’s strict quality-control procedures to ensure work is correctly executed.