I have so far found that the medium house warmer jar is slightly stronger than the wax tart for example but the wax tart does not take as long to pervade its scent.The upside of Welcome Christmas, then is that it is quite at home being a relaxing candle that does not come across too strong enough to induce coughing or sneezing fits and I say that in every review I do of Yankee Candle as not all scen