World News

Industry news and insights from Europe and around the World

UK News

Latest news and developments in the United Kingdom

Products

Keep up-to-date with the latest new products and technology

Features

General articles, applications and industry analysis

Toshiba Carrier AC wins top Japanese energy award

JAPAN: A soon-to-be-released Toshiba Carrier multi air conditioner, employing a unique triple-rotary compressor, has won the highest honour in Japan’s leading energy conservation awards.

Toshiba Carrier’s Super Multi u Series has taken the Energy Conservation Grand Prize in the annual awards organised by Japan’s Energy Conservation Centre, and sponsored by Japan’s Ministry of Economy, Trade and Industry.

As previously revealed by the Cooling Post, the new air conditioner employs what is described as the world’s largest capacity triple-rotary compressor and the world’s first dual-state inverter. This helps make the new air conditioner one of the most compact in its class.

The compressor is said to use an open winding motor with a high number of turns and a multi-valve to improve compression loss, depending on the air conditioning load. The dual-state inverter switches between inverter open connection drive and inverter star connection drive to achieve highly efficient operation.

Capacity of the new air conditioner is also enhanced with a new shape heat exchanger and propeller fan, and simplification of the refrigeration cycle due to advanced oil and refrigerant management control.

Related stories:

Triple-rotary compressor is key to new Toshiba Carrier VRF10 November 2020
JAPAN: Toshiba Carrier is set to launch a new multi system series air conditioner employing a newly-developed large-capacity triple-rotary compressor. Read more…

Latest News

8th September 2026

Eurovent helps Daikin A2A heat pumps achieve MCS listing

UK: Daikin has become the first successful applicant to have multi-split air-to-air heat pumps listed on the MCS Product Directory through the Eurovent Certification route.
8th September 2026

Trane R454B chillers give hospital a lift

UK: Yorkshire-based contractor Newsome has replaced two ageing rooftop chillers with units using R454B refrigerant to serve the main air handling unit cooling circuit at a hospital in York.
8th September 2026

Solstice launches R1234yf car AC retrofit kit

BELGIUM: Solstice has announced the launch of its R1234yf vehicle air conditioning system retrofit kit, enabling the conversion of existing R134a vehicle systems to the low GWP alternative.
7th September 2026

HPA UK partners with Heat Network Scotland

UK: Heat Pump Association UK has announced a new reciprocal membership partnership with Heat Network Scotland.
7th September 2026

Compact two-stage CO2 compressor

ITALY: Frascold’s new range of two-stage CO2 piston compressors are said to aimed at the evolution of commercial refrigeration towards increasingly compact solutions.
6th September 2026

Frascold adds semi-hermetic ammonia compressor

ITALY: Compressor manufacturer Frascold has announced the launch of a new semi-hermetic ammonia compressor.