intro/riff tuning is EADGAE (b string down a step)

E|----------------------------|------------------------|
B|------------------4-4-4/7---|----------7/9--7/12-----|
G|--------2-2-2-1----------4--|---------4----4---------|
D|-2-2-2---------2-----------6|-6-6-4-2----------------|
A|-2-2-2-2--------2-----------|-6-6-4-2----------------|
E|-0-0-0----------------------|-4-4-2-0----------------|

E|------------------------------|
B|-------------------4-4-4/7----|
G|--------2-2-2-1------------4--|
D|----------------2------------6|
A|------2----------2------------|
E|------------------------------|

E|-----------------------------|
B|-----------------------------| thanks to JjjDdd for working this bit out
G|-----------------------------|
D|-----------------------------|
A|-------------0-1-0---2-------|
E|-4-4-2-4-2-4-------4-0-------|

and you pretty much just repeat this until chorus (except 1st 3 chords)
Chorus I'm not so sure:
these chords
E|-----------|
B|-----------|
G|-6---------|
D|-6-----2---|
A|-4-----2---|
E|-------0---|

E|----------------|
B|---------11hp12-|
G|-9-11-13--------|
D|----------------|
A|-7-9--11--------|
E|----------------|

E|-----------|
B|-----------|
G|-6---------|
D|-6-----2---|
A|-4-----2---|
E|-------0---|

E|----------------|
B|---------14hp16-|
G|-9-11-13--------|
D|----------------|
A|-7-9--11--------|
E|----------------|

repeat

"temperature rises" bit
E|----------------|
B|----------------|
G|-9-6-4----------|
D|-9-6-4-6--------|
A|-7-4-2-6--------|
E|-------4--------|

E|----------------|
B|----------------|
G|-9-6-4----9-13--|
D|-9-6-4-6--9-13--|
A|-7-4-2-6--7-11--|
E|-------4--------|