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Office LED Lighting Case Study

This is a case study involving a Michigan based business that used the LED tube lighting products we offer to retrofit outdated fluorescent bulbs in their office building. When the company switched to LEDs, they saw many benefits including a 115% increase on annual ROI. Continue reading to learn more about this case study and how our products can save money for your business.

Before and After

The office building was originally using T8 fluorescent bulbs in their Troffer Lighting Fixtures. These bulbs were replaced with 15 watt X-Series LED T8 tubes which are direct replacements for 32-watt fluorescents. As you can see in the images below, switching to LEDs increased the overall brightness within the office space as well as saved significant costs for their business.

A dimly lit office building with old fluorescent lighting
A well lit office space after being renovated with LED lights

Cost Savings Report

Current Annual Lighting Cost

Energy (kWh)65,283
Energy ($)$7,181
Maintenance ($)$3,358
Current Annual Lighting Cost$10,285

LED Annual Lighting Cost

Energy (kWh)23,481
Energy ($)$2,583
Maintenance ($)$2
LED Annual Lighting Cost$2,585

Annual Savings With LED

Energy (kWh)41,802
Energy ($)$4,598
Maintenance ($)$3,356
HVAC ($)$0
LED Annual Savings$7,954

LED Retrofit Cost

Estimated Material Cost$10,251
Estimated Installation Cost$0
Estimated Sales Tax$615
Purchase Price (Tax Included)$10,866
Utility Company Rebates($3,760)
Federal Tax IncentivesTBD
Net LED Retrofit Cost$7,106

Environmental Impact

CO2 Offset / yr29 tons
CO2 Equiv. Trees Planted1,306

Financial Summary

Net Purchase Price$10,866
LED Annual Savings$7,954
Monthly Cost of Waiting$663
Payback Period0.9
IRR (7 year)115%
Total LED Lifetime Savings$62,667
Net LED Lifetime Savings$55,561

Products Used

2 X 4 Tri-Line LED Troffer Light for Commercial and Office Ceilings T8 Troffer that holds 4 foot LED tubes
  • Brand: Straits Lighting
  • Product Code: SL913T3
  • Certifications: UL, RoHS
  • Indoor/Outdoor: Indoor
  • Product Size (L x W x H): 47.625″ x 23.625″ x 5.50″
  • Finish: Light grade white enamel finish
  • Construction: Polycarbonate Aluminum
  • Lens: Frosted
15W 4FT LED T8BC Tubes – X-Series – 4000K
  • Brand: Straits Lighting
  • Replacement: 32W FL-T8-4′
  • Watts: 15W
  • Volts: 100/277V
  • Kelvin: 4000K
  • Lumens: 2172
  • Certifications: UL, DLC, RoHS, LM79
  • Indoor/Outdoor: Indoor
  • Product Size (L x W x H): 48.00″ x 1.20″ x 1.50″
  • Construction: Aluminum Heat Sink, Aluminum Casing, Plastic Lens (Clear/Frosted)
  • Dimming: Non-Dimmable

More About The Product

The X-Series by Straits Lighting are highly energy-efficient LED T8BC Tubes that are built with shatterproof construction. This efficiency and durability makes these LED lamps ideal for warehouses, offices, schools, and other industrial or commercial lighting applications. The X-Series is known for longevity and durability which reduces the cost of maintenance. These LED tube lights are Type A Type B. Ballast compatibility and single/double end wiring capabilities make installation fast for retrofits and new builds.