A woman at her home in Peace River opened her front door to the knocking of two men allegedly posing as police officers on Friday.
One of the men threatened the homeowner with a handgun while they forced their way in to search for valuables, police said.
One of the suspects is described as white, about six feet tall and 220 pounds, with a black moustache. The second man is described as being shorter with an aboriginal accent.
The woman was not injured in the robbery.
Police are asking anyone with information to contact the Peace River RCMP at 780-624-6677 or Crime stoppers at 1-800-222-TIPS.