the general cost can be estimated by 251~351 yuan/㎡.

It should be estimated according to the following two situations:

1. Depending on the system, the cost will be lower if it is a water cooling system with single cooling, and higher if it is an air-cooled chiller system;

2. Looking at the building function, the cost will be higher in places with heavy load such as restaurants, and lower in places with light load such as guest rooms.

the cost of 3511m2 central air conditioner is about 881,111 ~ 1.25 million yuan.