GOM Signs Insights

LED Sign Retrofit vs. Replacement: What to Do With an Older Sign

LED Sign Retrofit vs. Replacement: What to Do With an Older Sign
Back to Insights

Nov 2, 20267 min read

If your business sign was built ten or fifteen years ago, there is a good chance it is still lit the old way: fluorescent tubes inside a cabinet, or neon tubing inside channel letters. Those signs did their job, but they flicker, dim unevenly, burn out one section at a time, and need ballasts and transformers that eventually fail. Sooner or later every owner of an older sign faces the same question: do we retrofit it with LED lighting, or replace the whole thing? Here is a plain-spoken look at how to decide, from a shop in Norcross that builds, repairs, and relights signs all over Metro Atlanta.

What an LED Retrofit Actually Is

An LED retrofit keeps the parts of your sign that are still in good shape, like the cabinet, the letter returns, the faces, and the structure, and swaps out the old light source for LED modules and new power supplies. On a cabinet sign, that usually means pulling the fluorescent lamps, sockets, and ballasts and mounting LED modules inside the box. On channel letters, it means removing the neon tubing and the transformers that drive it and installing LED modules inside each letter.

Done right, a retrofit is not a patch job. The inside of the sign is cleaned out, the new LEDs are laid out so the face lights evenly without hot spots or dark corners, and the wiring is brought up to date. From the street, your sign looks like the same sign, just brighter, more even, and more reliable.

Signs That Usually Make Good Retrofit Candidates

The structure is solid. The cabinet or letters are not rusted through, the seams are tight, and the sign is securely attached to the building or the pole. If the bones are good, there is no reason to throw them away.

The faces are in decent shape, or can be refaced. Polycarbonate and acrylic faces yellow and crack over time, but replacing faces is a normal part of a retrofit. If you are rebranding at the same time, new faces with your updated logo can go into the existing cabinet.

You like the sign. If the size, shape, and placement still work for your business and your landlord has no plans to change the center's sign criteria, a retrofit keeps the look you already have.

The sign is the right size for where it sits. If your sign still reads well from the road and fits the spot, the main problem is usually just the lighting, and that is exactly what a retrofit fixes.

When Replacing the Sign Makes More Sense

The structure is failing. Rust, water damage, cracked or warped cabinets, and loose mounting are problems a new light source cannot fix. Putting new LEDs into a cabinet that is coming apart is money spent in the wrong place.

The sign no longer fits your brand. If your logo, colors, or name have changed, or the sign simply looks dated next to your neighbors, a new sign may be the better investment. Plenty of businesses use the moment their old lighting fails to move from a flat cabinet to channel letters, or from front-lit letters to a halo-lit look. Our post Front-Lit vs. Halo-Lit vs. Back-Lit Channel Letters walks through those options, and Channel Letters vs. Cabinet Signs compares the two most common building signs.

The sign is too small or in the wrong spot. If drivers are missing your entrance, more light will not solve a sign that is simply too small for the road it faces. That is a design problem, not a lighting problem.

You want to add something the old sign cannot carry. If you are thinking about adding an LED message center to a monument or pylon sign, or turning a basic box into a sign with a shaped top and dimensional logo, it often makes more sense to rebuild than to keep modifying an old structure. Our guide What Makes a Good LED Display for Your Business covers what to look for in an electronic message center.

Why LED Lighting Is Worth the Switch

LED lighting has become the standard for illuminated signs for a few practical reasons. LEDs generally use less electricity than fluorescent lamps or neon for the same job, and they tend to last much longer before they need attention. They light up instantly in cold weather, do not hum or flicker the way an aging ballast does, and run cooler inside the sign. They also make it easier to get an even, bright face, which is the whole point of having a lit sign in the first place.

There is a maintenance side too. Older lit signs tend to need service calls for burned-out lamps and failed ballasts or transformers, and each call can mean a bucket truck in your parking lot. A properly installed LED system cuts down on how often someone needs to open the sign up. Actual savings depend on your sign's size, how many hours it runs, and your electric rate, so ask your sign company to walk you through what applies to your sign rather than trusting a one-size-fits-all number.

What About Permits?

A common question is whether a retrofit needs a permit. The answer depends on the city or county and on what changes. Swapping the light source inside an existing sign is often treated differently from putting up a new sign, but electrical work may still require a permit or inspection in some places, and changing the size, shape, or structure of the sign can trigger a full sign permit review. Rules differ between Norcross, Duluth, Lawrenceville, Peachtree Corners, Doraville, unincorporated Gwinnett, DeKalb, Cobb, Fulton, and the City of Atlanta.

Replacing a sign brings a few more things into play. Some older signs, especially tall pylons, were allowed under earlier codes and are allowed to stay only as long as they are not substantially changed. If you tear one down, the new sign may have to meet current height and size limits. That is one more reason to talk to a sign company that knows local codes before you decide. Our post The Sign Permit Process in Metro Atlanta Explained covers the basics, and if you lease your space, Getting Landlord Approval for Your Storefront Sign explains how to keep the landlord side moving.

What a Good Retrofit Looks Like

Not every LED retrofit is equal. A few quick LED strips stuck to the back of a cabinet can leave you with blotchy light, dark edges, and a sign that looks worse than before. When you get quotes, ask how the company plans to lay out the LEDs, what brand and type of modules and power supplies they use, whether the work is done to current electrical standards, and whether they will clean out the old components and seal the sign against water. If the faces are yellowed, ask whether new faces are included or priced separately, because new LEDs behind an old, discolored face will still look tired.

It also helps to have someone look at the whole sign while it is open. Loose connections, water inside the cabinet, and worn-out photocells or timers are all worth catching at the same time. Our Sign Maintenance Tips post covers what to keep an eye on once your sign is back up and running.

A Simple Way to Decide

Start with three questions. Is the structure sound? Does the sign still fit your brand and your site? Are you happy with how it reads from the road? If the answer to all three is yes, a retrofit is usually the smart move. If any of them is a clear no, it is worth pricing out a new sign alongside the retrofit so you can compare. A sign company that does both should be comfortable telling you which one makes more sense for your situation, even when the answer is the smaller job.

Why Work With GOM Signs

At GOM Signs, we design, build, install, and service signs in-house out of Norcross, so we look at older signs from both sides: what it would take to bring yours back to life and what a new sign would look like on your building. We handle channel letters, cabinet signs, monument and pylon signs, LED message centers, wall graphics, and vehicle wraps for businesses, churches, and schools across Metro Atlanta and throughout Georgia, Alabama, Tennessee, South Carolina, North Carolina, and Florida.

Get a Quote on Your LED Retrofit or New Sign

If your sign is flickering, half dark, or just looking its age, send us a few daytime and nighttime photos, your address, and anything you know about the sign's history. We will tell you honestly whether a retrofit or a replacement makes more sense and turn around a quote in about 48 hours. Call us at 678.205.0408 or request a quote through our website, and let us get your sign shining again.

More from GOM Signs

Get a Free Quote

Ready to Start Your Sign Project?

Tell us what you need — we design, fabricate, and install, and we research, prepare, and file your permit application (approval is up to your local jurisdiction). Most quotes delivered within 48 hours.