总价包含新空调的安装费用吗？

Does the total price include the ___installation of the new air conditioning unit?

许多学生要求在公共区域安装一台咖啡机。

Many students requested the ___installation of a coffee machine in the common area.

这套复杂安全系统的安装需要一支专家团队。

The ___installation of the complex security system required a team of specialists.