This estimate is to add the Leak sealant first and add additional refrigerant as needed. If the system only requires less than 3 pounds, we will not charge the client for refrigerant not used. As a reminder there is no warranty nor guarantee on the leak seal or the refrigerant used. This is due to the unknown future demand put onto the equipment. If the equipment needs to work harder, it may stress the components and cause the existing leak to become bigger. Leak seal can often times last for as long as a year or more, depending on overall usage of the equipment. Returned to the property to inject the leak sealant and adding additional refrigerant to the system. The system took 2 lbs 13oz just under the estimated 3lbs. After injecting the leak sealant and letting the unit run I discussed with the tenant the importance of replacing the filter regularly and also how to properly set and use the thermostat. She did provide a filter to be installed today. The unit is cooling properly on de