Sidwal is also the first company in india to develop the sleekest Roof Mounted Bus Air Conditioners (170 mm in height), Which are available in a range to meet any requirement of mini, midi and large buses. SIDWAL Bus Air Conditioner are specially designed to operate in 500 c and are approved by TELCO and Swaraj Mazda as OEM parts. The TELCO Bus used for the pre inaugural" Calcutta-Dhaka-Calcutta" trip on April 8-10, 1999 was air conditioned by SIDWAL. The roof mounted unit is designed in a manner that it can be mounted outside the body of the bus without disturbing the interiors and since it is very sleek, it allows the bus to be parked in a garage with a low ceiling.

Sidwal is also the first company in india to develop the sleekest Roof Mounted Bus Air Conditioners (170 mm in height), Which are available in a range to meet any requirement of mini, midi and large buses. SIDWAL Bus Air Conditioner are specially designed to operate in 500 c and are approved by TELCO and Swaraj Mazda as OEM parts. The TELCO Bus used for the pre inaugural" Calcutta-Dhaka-Calcutta" trip on April 8-10, 1999 was air conditioned by SIDWAL. The roof mounted unit is designed in a manner that it can be mounted outside the body of the bus without disturbing the interiors and since it is very sleek, it allows the bus to be parked in a garage with a low ceiling.