Odakyu to Introduce Underground Heat Pump to a Station

Odakyu Electric Railway is going to introduce an air-conditioning system by underground heat pump to its Setagaya Daita station in Tokyo.

The company is renovating the station to be underground.

It is expected that the new system will reduce electricity consumption by 30%.

Nikkei: 2013/6/18 0:23
http://www.nikkei.com/article/DGXNZO56318090X10C13A6TJ1000/