The answer to 'how long does carpenter ant treatment last' is that the effectiveness of carpenter ant treatment can vary, but typically lasts 6-12 months. Carpenter ant treatments involve applying insecticides or baits to eliminate the current infestation and prevent future infestations. The length of the treatment's effectiveness depends on factors like the size of the infestation, the specific products used, and whether the nest was fully eliminated.
For a larger or more severe infestation, the treatment may need to be reapplied more frequently, such as every 3-6 months, to maintain control. It's important to follow the instructions on the product carefully and address any underlying moisture or structural issues that could be attracting the ants. Calling a professional pest control technician is often recommended for effective and long-lasting carpenter ant treatment.