Eight reach-in type growth chambers in the Phytotron had been operating since the 1980’s with luminaires consisting of (8) 400W metal halide lamps and (6) 60W incandescent lamps.
Retrofitting the reach-in (R) chambers with a more energy efficient lighting system was investigated by the Phytotron staff. The goal was to find a lighting design that would supply the same light level and quality as the old luminaires with enough energy savings to make the retrofit cost a feasible investment.
Working with Cycloptics™ Technologies LLC, a luminaire was designed consisting of (4) Philips Elite Agro™ 315W ceramic metal halide lamps operating with Cycloptics™ All-Bright™ reflectors.
The payback period for the investment in retrofitting the chambers was estimated to be 16.5 months (1.37 years).
With such a short payback period all eight of the Phytotron R Chambers were retrofitted with the more efficient Cycloptics™ lighting system.