Neon Sign Replacement Tubes: Types, Costs, and Maintenance

Neon sign tubes are glass components that emit vibrant colours by ionising gases like neon or argon, commonly used in commercial and decorative displays. Their colours depend on the type of gas and interior coatings.

Replacement neon tubes include standard sizes for repairs, custom shapes for unique designs, and energy-efficient options for sustainability. Replacing neon tubes safely involves disconnecting power, using proper tools, and addressing issues like flickering or dim lighting promptly.

In Australia, replacement costs range from AUD 80 for standard tubes to AUD 450 for custom designs, with energy-efficient options offering long-term savings. LED neon signs provide a modern alternative, offering energy savings, durability, and dynamic design flexibility.

Regular maintenance, including cleaning and voltage checks, extends neon sign lifespans. Outdoor signs in Australia require additional care to withstand harsh sun and UV exposure, ensuring long-term performance and visual appeal.

What Are Neon Sign Tubes?

Neon sign tubes are glass containers filled with noble gases like neon, argon, or krypton that emit bright, colourful light when an electrical current ionises the gas. These tubes are essential components in creating iconic signage for commercial, decorative, and artistic purposes.
The ionisation process involves high-voltage electrodes exciting the gas molecules, producing a distinctive glow. Neon typically emits a red-orange light, while argon combined with mercury generates blue tones. Phosphor coatings can further customise colours, offering a wide palette for businesses and designers in Australia.
Neon signs remain popular in Australian cities like Sydney and Melbourne, where their vibrant lighting is a feature of high streets and artistic precincts. They are also widely used in retail stores, hospitality venues, and cultural events across the country.

What Types of Replacement Neon Tubes Are Available?

Replacement neon tubes come in standard sizes, custom shapes, and energy-efficient options, catering to various applications like storefront signage, logos, and creative installations.

Standard Sizes and Shapes:

Most replacement tubes are available in diameters ranging from 8mm to 15mm, with 12mm being the most common size for Australian commercial signage. These straight or pre-bent tubes fit standard neon sign designs.

Custom Designs:

Custom-made neon tubes allow businesses to create unique shapes, logos, or artistic designs. For example, a Brisbane café might opt for a hand-bent neon logo to align with its branding.

Energy-Efficient Options:

Energy-efficient tubes with improved gas mixtures or LED retrofits are gaining traction in Australia. These alternatives reduce electricity consumption and operating costs, making them a practical choice for eco-conscious businesses.

A retail store in Perth switched to energy-efficient neon tubes and reported a 25% reduction in power usage, aligning with Australia’s sustainability goals.

How Do You Replace Neon Tubes Safely?

To replace a neon tube safely, turn off the power, remove the damaged tube with appropriate tools, and install the replacement tube, ensuring secure connections and compatibility with the transformer.

Steps:

1. Turn Off Power: Disconnect the neon sign from the power source to eliminate the risk of electric shock.
2. Remove the Old Tube: Carefully release the damaged tube from its mounting clips, using gloves to avoid injury from sharp edges.
3. Install the New Tube: Secure the replacement tube, ensuring that the electrodes are properly connected to the power supply.
4. Test the Sign: Restore power and check for consistent illumination across the tube.

A voltage meter, insulated gloves, and a neon tube tester are essential for safe installation. For custom signs, a tube bender may also be required. Providers like Lit Neon Australia offer professional services and guidance to ensure replacements comply with Australia’s strict safety regulations, avoiding fines or legal complications.

When Do Neon Tubes Need Replacement?

Neon tubes need replacement when they flicker, dim, show discolouration, or develop visible cracks. These issues often indicate gas depletion, electrode wear, or transformer faults.

• Flickering or Dim Light: Indicates depleted gas or transformer issues.
• Discolouration: Suggests contamination of the gas or phosphor degradation.
• Cracks or Damage: Physical damage compromises the tube’s functionality and safety.

A “Vacancy” neon sign in a Cairns motel began flickering due to a failing transformer, requiring both the transformer and tube to be replaced.

What Are the Costs of Replacing Neon Tubes?

The cost of replacing neon tubes in Australia ranges from AUD 80 to AUD 450, depending on the size, design complexity, and installation requirements.

• Standard Tubes: AUD 80–150 for basic replacements.
• Custom Designs: AUD 200–450 for intricate shapes or logos.
• Installation Fees: AUD 50–100 per hour for professional services.

Investing in energy-efficient replacements can reduce operational costs by up to 30%, which is significant for Australian businesses with high electricity prices.

A Sydney bar replaced its neon tubes with custom phosphor-coated designs for AUD 350 each, increasing foot traffic with its vibrant, Instagram-worthy display.

Why Choose LED Neon Over Traditional Neon?

LED neon signs are more energy-efficient, durable, and customisable than traditional neon, making them a superior option for modern businesses in Australia.

• Energy Efficiency: LEDs use up to 80% less electricity than traditional neon, reducing operational costs.
• Durability: LED signs can last up to 50,000 hours, far outlasting traditional neon tubes.
• Design Flexibility: LEDs allow for dynamic, multicolour displays and animations, ideal for Australian events and branding.

A Gold Coast retail store switched to LED neon and saved AUD 1,200 annually in electricity costs while enhancing its store’s aesthetic appeal.

How Do You Maintain Neon Signs to Extend Their Lifespan?

Maintaining neon signs involves regular cleaning, voltage checks, and prompt repairs to prevent deterioration and extend their lifespan.

• Clean Regularly: Use a soft cloth to remove dust and grime from the tubes.
• Check Voltage: Periodically test the transformer to ensure optimal performance.
• Timely Repairs: Address flickering or dim tubes early to prevent further damage.

Outdoor signs exposed to Australia’s harsh sun and heat may require UV-resistant coatings and more frequent inspections to maintain their brightness and colour integrity.

Where Can You Buy Neon Tubes in Australia?

You can purchase replacement neon tubes from specialised suppliers across Australia, such as lighting stores in Sydney, Melbourne, or Brisbane. Many suppliers offer custom designs tailored to your business needs.

1. Look for suppliers offering warranties and compliance with Australian standards.
2. Compare quotes from multiple vendors to find the best value for your budget.

A café in Adelaide sourced high-quality, custom neon tubes locally, benefiting from quicker delivery and after-sales support.