Updated
There are currently 1 rooms for rent with air conditioning on HotPads in Normal.
Open the "All filters" tab, select "Rooms" under "Rental types", then select "A/C" under "Amenities". Select "Save search" to get an alert when a new match comes on the market in Normal.
Not always. A rental with air conditioning can have central air, wall units or window units. Check the listing details or ask the landlord which type the rental has.