Plan light placement, controls and fixture support together, especially when adding a ceiling fan or recessed lighting.
Define what you want to improve
A dark kitchen worktop, glare on a television and a dim stairway need different solutions. Note when and where the room feels uncomfortable. Consider task lighting, general room lighting and accent lighting separately.
For replacement fixtures, record the model you want and any dimming requirements. For new locations, expect discussion about access above the ceiling and the route for wiring.
A fan needs the right support
A ceiling fan introduces movement and weight. The electrician should verify the mounting box and structural support are suitable for the selected fan. An existing light location is not automatic proof of fan-ready support.
Confirm ceiling height, blade clearance, control location and whether separate fan and light control is desired. Ask what wall or ceiling openings the installation may require.
Controls and compatibility
Dimming performance depends on the lamp, driver and dimmer combination. Smart switches may have wiring and network requirements that an older switch location does not satisfy. Ask for a compatible equipment list instead of purchasing parts independently.
For recessed fixtures, discuss insulation contact, air sealing and the construction above the ceiling. Your contractor should select equipment appropriate for the location.
Estimate and local planning
Separate fixture costs from wiring, controls, ceiling access and patching. Identify who supplies each item and who handles a defective owner-supplied fixture. Use the Naperville permit guide to confirm requirements for the actual scope.
Before the visit, prepare a room sketch, preferred locations, fixture specifications and examples of the lighting effect you want. No panel access or wiring inspection is needed from the homeowner.