Return temp. Was 70. Supply temp. Was 101. Heat rise has a difference of 31 degrees which is in normal operation. Checked filter which was clean. Pulled and checked air movement system which was clean and clear of debris. Checked wires in electrical compartment which were all secure. Check exhaust system which was clean and clear of debris. Checked inside voltage enhancement system which was a 7.3 uf. Factory spec is 7.5 which means it’s running good. Checked heat movement system which was clean and clear of debris with no signs of concern.