City crews battled a house fire in a 2 story wood frame dwelling. E-11,E-05, A-02 and C-02 on initial alarm. 1st in E-11 Atf heavy smoke showing. 2nd alarm requested E-01 E-17 and air resource 1,Normal 2nd due E-04 was added(Tied up on previous alarm) Crews had high heat conditions on 2nd floor. Fire vented itself and crews held major damage to 2nd floor. Good job by all