The incident happened on August 22nd at 3:00 p.m. on the 400 block of West Sedgley Street in North Philadelphia.
Police say three males dressed in bright green t-shirts identified themselves as Philadelphia Water Department employees at the victims' home.
Once inside, police say the suspects handcuffed and the beat the residents.
A 54-year-old female suffered a head injury and a fractured orbital bone.
After searching the home for 25 minutes, the suspects fled east on Sedgley Street taking a television, cell phone and $250.
Police have released the following descriptions of the suspects:
Suspect #1 is described as a black male, 5'10, 30 to 40 years-of-age, 240-250 pounds, with a dark brown complexion. He was wearing a bright green t-shirt, orange/red baseball hat, jeans and armed with a handgun.
Police describe suspect #2 is described as black male, 5'8, and 180 pounds. He was wearing a bright green t-shirt, orange/red baseball hat and jeans.
Suspect #3 is described as a black male seen wearing a bright green t-shirt, orange/red baseball hat and jeans.
Authorities released surveillance video of the suspects on Monday.
Anyone with information is asked to contact Philadelphia Police at 215-686-TIPS (8477), text a tip to PPD TIP (773847) or through PhillyPolice.com.
