The whole song revolves around E and B7

E

(Whistling starts)

E        \ play these
B7    E  / chords twice

E
There's a fire
And I'm burning
B7                             E
Better get the hook and ladder darling

E
I got a hot tub running through me
B7                
Better get the hook and ladder
    E
And cool me

Singing
E
Woah-oh, woah-oh, woah-oh, woah-oh,
B7                                    E
Woah-oh, woah-oh-woah-oh-woah-oh-oh-woah

Singing
E
Woah-oh, woah-oh, woah-oh, woah-oh,
B7                                    E
Woah-oh, woah-oh-woah-oh-woah-oh-oh-woah

Solo:
E       \
B7    E /  2x

E
There's a fire
And he's burning (yes I'm burning)
B7                              E
Better get the hook and ladder, darling

E
I got a hut tub running through me
B7
Better get the hook and ladder
    E
And cool me

Singing
E
Woah-oh, woah-oh, woah-oh, woah-oh,
B7                                    E
Woah-oh, woah-oh-woah-oh-woah-oh-oh-woah

Singing
E
Woah-oh, woah-oh, woah-oh, woah-oh,
B7                                    E
Woah-oh, woah-oh-woah-oh-woah-oh-oh-woah

End the song in E7