The West Florence Fire Department responded to a fire at a home on Chippingham Lane around 4:35 Sunday afternoon.
Crews arrived on scene to find light smoke showing.
Firefighters were able to determine the air conditioner shorted out, causing the fire.
Neighbors where able to keep the fire contained with a garden hose until crews arrived, according to Battalion Chief Anthony Fox.
Florence County EMS and the Florence County Sheriff's Office also responded.
One firefighter received minor cuts, and is expected to be fine.