Home Product Utility Rebates ROI Calculator Connect
ROI Calculator
Enter Information
Cost of Electricity (per Kilowatt Hour)
(typically between $0.05 and $0.30)
Current Installation
Number of Lamps
Estimated Life of Current Lamps (hrs)
Current Lamp Wattage
Cost of Current Lamp
ON Hours Per Day
Estimated Maintenance Cost to Replace Each Lamp
Espen LED Retrofit Installation
LED Lamp Wattage
Cost of LED Lamp
Life of Espen LED lamp (hrs)
Calculated Information
ON Hours Per Year
Current Lamp Energy Cost Per Day
Current Lamp Energy Cost Per Year
Total Purchase Cost for Current Lamps
Replacement Costs Per Additional Current Lamps
Replacement Costs of Current Lamps Per Year
LED Energy Cost Per Day
LED Energy Cost Per Year
Total Purchase Cost for LED Lamps
Return on Investment (ROI)
Energy Savings (per year)
Energy Savings (per month)
Payback Period (years)
Payback Period (months)
(based on energy alone)
Number of Times Current Bulbs to Be Replaced
or Once Every
Espen Technology Inc.
12257 Florence Ave.
Santa Fe Springs, CA 90670
8:30 AM - 5:30 PM PST (Mon.-Fri.)
Phone: (562)529-2938
Toll Free: 1-866-933-7736
Email: support@espentech.com
Fax : (562)529-2978
Toll Free: 1-888-503-7736