How much should it cost to add dye to find a leak in air conditioner?

The cost to add dye to find a leak in an air conditioning system typically ranges from $20 to $100. This price can vary depending on the technician's labor rates and whether additional diagnostics are required. It's often included in the overall service fee for leak detection, which may be higher if extensive troubleshooting is necessary. Always get a detailed estimate before proceeding with any repairs.