Nippon Air Conditioning Services Co., Ltd.

Nippon Air Conditioning Services Co., Ltd. is a major building equipment maintenance company with particular strength in HVAC, combining maintenance with renovation work. Its defining feature is comprehensive support covering the maintenance, ongoing management, and diagnostics of building systems, especially HVAC, together with renovation work, while technical employees account for roughly 80% of the workforce. Founded in Nagoya in 1964, the company centers on a maintenance division that provides building equipment maintenance, ongoing management, equipment diagnostics, environmental assessments, and solution proposals, alongside an equipment construction division focused mainly on replacement and renovation projects. HVAC is a particular strength; maintenance accounts for approximately 62% of the business, and technical employees make up roughly 80% of the workforce. The company is therefore a major HVAC-focused building equipment maintenance provider combining maintenance with replacement work. Its fiscal year ends in March.