- Step #1. Prepare the indoor unit.
- Step #2. Drill and run pipes and wires.
- Step #3. Mount the indoor unit.
- Step #4. Install the outdoor unit.
- Step #5. Connect the two units.
- Step #6. Test the connection.
- Some appliances can be easily installed without a professional, however, a split system air conditioning is not one of them and should be properly installed to ensure the unit is working correctly.