Performed a complete heating system maintenance and inspection. Inspected and tested all electrical components and safety controls on the indoor unit; all components tested within manufacturer specifications. Inspected for cleanliness of the duct work, blower wheel and evaporator coil. Al, could benefit from having a deep cleaning done. Verified system temperatures: return air temperature measured at 72°F; supply air temperature measured at 110F and rising. Confirmed air filter was recently replaced by client. Inspected and tested all electrical components on the outdoor unit; all components tested within manufacturer specifications. Outdoor condenser could benefit from having a deep cleaning. Confirmed system was operating properly and heating upon departure. System Status: Operating normally at time of service. Client is interested in having cleanings done, she just needs to speak with her husband about what they would like to do.