Danfoss has unveiled an upgraded version of its popular Optyma cold room controller that adds new efficiency features and connectivity for self-contained rooms, remote condensing units and rack systems alike.

Vaasa, Finland-based Danfoss Drives and other Danfoss business segments will supply the technology company Wärtsilä's research, product development and production center Smart Technology Hub with a significant number of AC drives and other products. Wärtsilä's Smart Technology Hub will be completed in Vaskiluoto, Vaasa next year.

NEW: AB-QM 4.0 Flexo, flexible PICV connection set for Fan Coil Units

CO2 is now solidly in the mainstream, having evolved beyond its previous status as a cutting-edge refrigerant. You only have to the look to the food retail sector for proof—where as many as 10,000 supermarkets are switching to transcritical CO2 systems every year. But CO2 isn't only the domain of large-format stores; new and innovative advances in technology are making it increasingly accessible to convenience stores, discount outlets, and the like all over the world.

Danfoss has unveiled what is believed to be the world’s smallest electronic expansion valve (EEV), a mini EEV for small A/C and CRAC units, allowing OEMs to drive greater system efficiency, reliability and quieter operations.