AC rejuvenation: supply temperature was 43 degrees and the return temperature was 60 degrees. The Delta T had a temperature difference of 17 degrees. Checked air filter system which was clean and clear of all debris with no signs of concern. Checked air movement system which was clean and clear of all debris with no signs of concern. Checked all wiring inside electrical compartment which were all clean and clear of debris and secure. Checked evap coil which was clean and clear of all debris with no signs of concern. Cleaned off indoor system with proper towels and cleaner. Checked indoor voltage enhancement system which was running at a 12.3uf. factory spec is a 12.5uf so it was running within the allowable fault which was good. Checked outdoor voltage enhancement system which was running at 39.7/4.6uf. factory spec is a 40/5uf so it was running within the allowable fault which was good. Checked outdoor voltage gateway system which was clean and clear of all debris with no signs of con