Rotom Heat's Weaknesses

Best Counters

Rotom Heat is especially weak against Ground type Pokemon, they will deal 4x damage to it!

The types that are strong against Rotom Heat are Ground and Rock type Pokemon.

For the best defense, Dragon types have very effective defense against Rotom Heat, and will be resistant to damage from Rotom Heat's STAB attacks:

Water types will also deal super-effective damage against Rotom Heat, but be careful using Pokemon of this type because they may also receive extra damage from some of Rotom Heat's attacks!

Weaknesses

Rotom Heat's type is Electric and Fire.

Rotom Heat is especially vulnerable to Ground attacks, it will receive a super effective four times (4x) the amount of damage! Since Ground type Pokemon are especially strong against Rotom Heat, you should attack with this type of Pokemon.

Rotom Heat has a weakness to Ground, Rock, Water types. These Pokemon types will be strong against Rotom Heat, causing Rotom Heat to take a super effective quadruple (4x) damage from Ground type attacks, and causing Rotom Heat to take a super effective double (2x) damage from Rock and Water type attacks.

Please keep in mind that Rotom Heat is resistant to attacks from Bug, Electric, Fairy, Fire, Flying, Grass, Ice, Steel types, and these attacks are not very effective and cause reduced damage, so they should be avoided.