Ammonia/CO₂ Cascade: A Retrofit for the Future
We successfully designed and implemented a cascade ammonia and CO2 system that harnesses the benefits of both natural refrigerants.
Sustainable Refrigeration Upgrade with Low-Charge Ammonia
We replaced our client’s R22 refrigeration system with low-charge, fully containerized ammonia refrigeration skids.
Design & Build Refurbished Plantroom
Excel Engineering successfully built and commissioned this refurbished plantroom in just 12 weeks.
Design & Build New Energy Centre
Excel Engineering is proud to be part of the largest industrial heat pump project in Aotearoa New Zealand.
Ngamotu House
Excel Taranaki is honoured to have designed and installed the custom hvac system needed as part of this incredible renovation at Ngāmotu House, located in the middle of New Plymouth.
An Auckland Client Story
Come behind the scenes with us and check out some of Excel Refrigeration & Air Conditioning Auckland ltd’s recent client work.
Climate Controlled Commutes
Excel Refrigeration and Air Conditioning Wellington works with flexibility and tight turn around times to ensure the ferries are kept in optimal conditions.