LED lighting: common sense about dirt depreciation

High intensity LED lighting is helping to reduce the effects of dirt depreciation in manufacturing environments. These compact light sources have a much lower surface area than fluorescent high-bays, which is keeping them cleaner for longer. Dirt depreciation is a common light loss factor that affects all lighting technologies. Manufacturing facilities typically have dirty environments, Read More >

By | 2017-03-30T20:52:36+00:00 April 7th, 2016|Blog|0 Comments

Color rendering index: time for a change of measurement

For over 80 years, lighting professionals have been using the Color Rendering Index to evaluate the fidelity of artificial light coloring. Though it has been a valuable tool for many years, there are several reasons why it is now outdated and time to move on to the TM-30-15. CRI was determined by comparing a reference Read More >

By | 2017-03-30T20:52:36+00:00 March 5th, 2016|Blog|0 Comments

Lighting Upgrade Saves Energy and Controls Costs for Local Nonprofit

Evergreen Consulting Group coordinates free lighting retrofit for Friendly House Friendly House, a nonprofit neighborhood center and social service agency located at 1737 NW 26th Ave., has been helping Portlanders since 1930. Recently, they enjoyed the community's generosity as the beneficiaries of an energy efficient lighting upgrade made possible through Evergreen Consulting Group's annual Giving Read More >

By | 2017-09-19T23:29:57+00:00 January 14th, 2015|Blog|0 Comments