There's a world of difference between a scent of something on fresh air, and powerful scents introduced to mask an underlying whiffiness. If it's the latter, nothing really works. Derren Brown summed bathroom air fresheners up thusly: floral on vocals, sh 1t on drums n bass.
Mop your kitchen floor with zoflora, tip a little down the waste, and you'll have freshness and cleanliness. I'm sure you have the latter anyway.