The experience at Koala Insulation of St. Petersburg was generally good, with many customers expressing satisfaction with the company's service and pricing. However, there was one notable instance of a messy job, where the company left behind a significant amount of insulation dust and trash. Despite this issue, the company made an effort to correct the problem and returned to clean up the area. The staff was often praised for their professionalism, politeness, and expertise. The company was also commended for their clear and honest communication, with one customer expressing appreciation for the owner's personal involvement in the project. Overall, the company seems to be reliable and trustworthy, but there may be some variability in the quality of service depending on the individual technicians and projects.