How do I get out of the freezer when the door's locked from the outside

Hint 1 of 6:

You'll need to get someone to come let you out

Hint 2 of 6:

Maybe if you set off the freezer alarm

Hint 3 of 6:

Get Elvira's butane curling iron from her dressing room

Hint 4 of 6:

Heat up the thermostat with the curling iron

Hint 5 of 6:

When the head ghoul shows up to investigate, put him on ice and leave