Who should be responsible for the maintenance of the broken air conditioner in the office building?

Legal analysis: generally speaking, the property is only responsible for contact maintenance, and the landlord will pay the fee; 2. Natural failure landlord maintenance, human factors company maintenance.

Legal basis: Regulations on Property Management

Article 3 The State encourages owners to choose property service enterprises through an open, fair and just market competition mechanism.

Article 4 The State encourages the adoption of new technologies and methods, and relies on scientific and technological progress to improve the level of property management and service.

Fifth the State Council construction administrative departments responsible for the supervision and management of the national property management activities. The real estate administrative departments of local people's governments at or above the county level shall be responsible for the supervision and management of property management activities within their respective administrative areas.