***The lumen ouput is at 25°C for T8 and 35°C for T5***
| Present System | Proposed System | Delivered Mean Lumens |
Lighting System Watts |
% of Energy Savings | ||
| Original | Proposed | Original | Proposed | |||
| 250W Metal Halide | T5, 4ft, 4 Lamp, 28W | 9594 | 10945 | 260 | 112 | 58% |
| T8, 4ft, 4 Lamp, 32W | 9594 | 11064 | 260 | 156 | 40% | |
| LED T8 Type, 4ft, 6 Lamp, 24.5W | 9594 | 11919 | 260 | 144.8 | 45% | |
| 250W High Pressure Sodium |
T8, 4ft, 4 Lamp, 32W | 12636 | 11901 | 262 | 156 | 40% |
| T5, 4ft, 4 Lamp, 28W | 12636 | 10945 | 262 | 112 | 58% | |
| LED T8 Type, 4ft, 6 Lamp, 24.5W | 12636 | 11919 | 262 | 144.8 | 45% | |
| 400W Mercury Vapour High-Bay |
T5, 4ft,4 Lamp, 28W | 10764 | 10945 | 455 | 100 | 78% |
| T8, 4ft, 4 Lamp, 32W | 10764 | 11901 | 455 | 156 | 65% | |
| LED T8 Type, 4ft, 6 Lamp, 24.5W | 10764 | 12000 | 455 | 144.8 | 69% | |
| 400W Metal Halide | T5, 4ft, 4 Lamp, 54W HB | 16848 | 18494 | 455 | 232 | 50% |
| T8, 4ft, 6 Lamp, 32W HB | 16848 | 17510 | 455 | 213 | 54% | |
| 400W High Pressure Sodium High-Bay |
T5, 4ft, 4 Lamp, 54W HB | 20475 | 18494 | 458 | 232 | 50% |
| T5, 4ft, 6 Lamp, 54W HB | 20475 | 24418 | 458 | 331 | 28% | |
| 1000W Metal Halide | T5, 8ft, 12 Lamp, 54W HB | 52195 | 51671 | 1075 | 708 | 34% |
***All lamps provided in proposed system have at least a 80% CRI.***
***These numbers are based on industry averages maintained lumens standards. Results may vary due to layout and design of fixtures and/or facility. In no event will Jaftech be liable for any loss of profits or inconsistencies arising out of, or in connection with, the use of this comparison chart.
***