If your kitchen exhaust hood isn't pulling smoke and grease the way it used to, the hood probably isn't the problem. Learn what makeup air is, why so many Chicago restaurant kitchens are missing it, and what to check before calling a technician.

If your commercial ice machine is making ice that tastes bad, smells off, or comes out cloudy, scale and slime buildup are the most likely cause. Learn the difference, where they form, and what a real cleaning involves.

Commercial ice machine not keeping up in summer? Learn why output drops in Chicago heat, what to check yourself, and when to call a technician for ice machine repair.

Chicago summers push commercial walk-in coolers to their limits. Learn the warning signs of a stressed unit, what to check yourself, and when to call a technician before you lose inventory.