Technician arrived on reports of hot air spewing out of the system. After further diagnosis technician found no hot air coming from the unit. Technician added some mastic tape on some spots at the customer was worried about. As well as investigated the smell that they were having it is from the ozone bulb of the air scrubber. Informed the homeowner that if we need to swap it out for an ozone free one that option is available they will let us know.