The rules and regulations regarding the installation of air conditioning units can vary depending on the specific lease agreement, local laws, and the landlord's policies. In many cases, landlords have the right to set rules and restrictions on modifications to the property, including the installation of air conditioning units.
If your lease agreement explicitly states that you are not allowed to install air conditioning units in the windows, then you would be bound by the terms of the lease. It is essential to thoroughly review your lease agreement to understand the landlord's policies and any restrictions related to modifications or alterations to the property.
However, if the lease agreement does not specifically address the installation of air conditioning units, you may want to discuss the matter with your landlord. Some landlords may be open to negotiations or alternative solutions to address your cooling needs, such as installing a central air conditioning system or providing portable air conditioning units.
If you believe that the landlord's restrictions are unreasonable or not specified in the lease agreement, you may want to consult with a local tenant's rights organization or seek legal advice to understand your rights and options in your specific jurisdiction. Tenant rights can vary significantly depending on the location, so it's essential to understand the laws and regulations that apply to your situation.