The burglary happened Saturday at 5 p.m. at Emerald Windows located at 2301 North 9th Street.
Police say the men broke into the business through a side window.
Click here to watch the surveillance video
The thieves were caught on camera carrying a portable generator out the back door.
They also stole two laptops, a miter saw and 4 walkie talkies before fleeing the scene.
The items are valued at $2,450.
If you see these suspects do not approach, contact 911 immediately.
Anyone with any information is asked to call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).