Onoma specializes in engineered heat exchangers and copper tubing assemblies enabling energy-efficient HVACR systems. Designed for reliability and environmental compliance, our products support low-GWP refrigerants such as R290, R32, and R454B. We collaborate with OEMs across applications including heat pumps, precision air conditioning, IT cooling, chillers, DOAS, rooftops, FCUs, and mobility air conditioning (bus & rail). Backed by over three decades of manufacturing experience, we combine engineering expertise, stringent quality systems, and reliable global supply.