Channel letter signs vs cabinet signs is one of the most consequential decisions a business owner makes when planning storefront signage. The choice affects how customers perceive your brand, how much you spend upfront, how much you pay in ongoing energy costs, how long your sign lasts, and whether your landlord will even approve your project. Most sign guides treat this as a simple aesthetic preference. It's not. Channel letter signs vs cabinet signs involve real tradeoffs with real consequences that play out over 10 to 20 years.