It is more than likely that cigarette smoke has left a film on the systems ducting and condenser coils, which will continue to produce that stale-smoke odor until it is removed by a special cleaning process
Studies of patients, the committee went on, had shown that many kinds of damage to body functions and to organs, cells, and tissues occur more frequently and severely in smokers. Out of 29 large scale studies of smoking histories, the experts said all but one (dealing with women) showed more cigarette smokers than nonsmokers among lung cancer patients
27 LiY.YuanK.CaiC.FengD.YinJ.BiY.et al (2015)
But here its like the spotlight brings the jasmine to life, invigorated by the oaky, sagey sweetness of jambu resin, frangipani and vanilla
Flavor Type 15.2.5
Randomly selected, household-dwelling adolescents and young adults (n=74,836) were selected from the non-institutionalized and civilian American population and queried about their drinking and smoking practices