Guide to Equipment Management Contracting

MM21 DHC receives contracts for management of heating and cooling equipment implemented at buildings, with focus on customers in the Minato Mirai 21 district.
Our technicians, highly experienced and knowledgeable in DHC equipment, provide maintenance services of excellent reliability.

Inquiries

If you are interested in contracting MM21 DHC for equipment maintenance services, please contact us as below.

Customer Service Department

Tel. +81-(0)45-221-0321