Good afternoon. Today I completed your first bed bug treatment for unit #4. Today I used a liquid residual product and spot treated the entire floorboard perimeter of every empty room of unit #4 as a preventative measure against bed bugs. Please allow this liquid residual product 7-10 days for liquid residual product to start working and then in that time frame and thereafter you should start to see a decrease in bed bug activity. Today I also used a powder/dust product and treated all of the power outlets of the unit. If you should have any questions or concerns please call us. Thank you for choosing Green Pest Solutions.