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How long does a commercial LED upgrade project take?

The timeline for a commercial LED upgrade depends on several stages, including audit, design, procurement, installation, and commissioning.

UpdatedJune 2026
Read time4 min read
CategoryCommercial LED Lighting
Reviewed byGI Engineering
Clear answer

Clear answer, explained.

Smaller projects—such as single offices or retail spaces—can often be completed in 2 to 4 weeks , while larger or multi-site facilities may take 6 to 8 weeks or longer . If incentives or rebates are involved, additional time may be required for application and approval. Installation itself is typically fast and can often be completed with minimal disruption, sometimes outside business hours.


Key points

What this means in practice.

  • Typical total timeline: 2–8 weeks
  • Smaller projects: 2–4 weeks
  • Larger or multi-site projects: 6–8+ weeks
  • Includes audit, design, procurement, and installation
  • Incentive approvals can extend timelines
  • Installation is usually quick and low disruption

When this applies

Best-fit environments.

  • Offices, retail stores, and warehouses
  • Buildings upgrading from fluorescent or
  • HID lighting
  • Facilities implementing lighting controls

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