Rotom-Fan @ Expert Belt / Flyinium / Electrium
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Air Slash
- Thunderbolt / Defog / Will-O-Wisp
- Volt Switch
- Hidden Power [Grass] / Hidden Power [Ground]

Rotom-Fan @ Leftovers / Figy Berry
Ability: Levitate
EVs: 248 HP / 212 Def / 48 Spe
Bold Nature
IVs: 0 Atk
- Air Slash
- Volt Switch / Thunderbolt
- Will-O-Wisp / Pain Split
- Defog / Pain Split

Rotom-Fan @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Volt Switch
- Air Slash
- Trick / Defog / Hidden Power [Grass]

Notes
- Rotom-Fan's niche resides in the fact that it is a Flying type with the ability to defeat most rockers with its STAB and coverage in combination with its solid speed tier, decent special attack, and access to Defog. With this in mind rotom's best set is definetly Expert Belt as it allows Fan to bluff scarf and either Volt Switch on given turns or nuke ground types with its STAB and coverage respectively.
- Fan's solid natural bulk allows it to operate as a relatively reliabe defogger. Either burning or getting a slow Volt Switching off on the appropriate mons while keeping hazards off the feild with ease thanks to its a immunity to all forms except Stealth Rock.
- Lastly Fan's scarf set. Scarf Fan which is for the most part, completely outdone by Rotom-Frost, still has some merit as a revenge killer, thanks to its Fighting resistance which alleviates the problem a bit because it can now propperly revenge monferno
- Z Waterium Rain Dance is a niche sweeping option that allows rotom a boosted speed stat and spammable Thunder but, is typically outClassed by Frosttom and Zebstrika as a fast Electric type with spammabale STAB
- Other Options - Sub/Split, Hex, Light/Reflect, Rain Dance