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The Shawnee News-Star
Managing your daily tasks and home with ease
Light Bulb Color and Temperature - WHAT?
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About this blog
By Sonya McDaniel
OSU Cooperative Extension has great tips for homeowners to make their house a safe, healthy and stress-free environment. Of course, the information provided is based on reliable research which is proven to be effective and safe.

Sonya ...
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The Everyday Home
OSU Cooperative Extension has great tips for homeowners to make their house a safe, healthy and stress-free environment. Of course, the information provided is based on reliable research which is proven to be effective and safe.

Sonya McDaniel is the Family and Consumer Science Extension Educator for Pottawatomie County. Her job is to deliver information over basic home economic skills to the public. She has 15 years of experience in teaching basic family relations, nutrition and meal planning, family budgeting and household management through the OSU system.

She owns a small farming operation with her husband in southern Pottawatomie County where they raise hair sheep, goats and cattle. They are busy keeping up with an on-the-go child, 5 dogs and one giant cat. Sonya definitely understands that running a home and family takes thought, time and money which all seem to be in limited supply!

Oklahoma Cooperative Extension service does not discriminate because of race, color, national origin, religion, gender, age, disability, or status as a Vietnam-era veteran and is an equal opportunity employer.

Email: sonya.mcdaniel@okstate.edu

Website: www.oces.okstate.edu/pottawatomie

Facebook: Pottawatomie County OSU Extension
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By Sonya McDaniel
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With the new energy efficient light bulbs, there is a love/hate relationship!  People either like them, or really don’t like them.  For years we have simply gone to the store and picked up the incandescent bulb that had the wattage we liked and the job was done.  Less watts, less bright light – more watts, more bright light.  EASY!

With compact florescent it can be the same; however we need to relearn how to pick the bulb that gives us the light we like.  Sounds funny, but some people like warm light and others like cold light.  Some bulbs highlight colors in your home better than others.

The labeling on light bulbs will tell you two main items the Color Rendering Index (CRI) and the color temperature.  Sounds crazy, but these two items can make a big difference on the way things look, and even feel in your home.

Choosing the right color:



  • Light color is measured on a temperature scale referred to as Kelvin (K).


  • Lower Kelvin numbers mean the light appears more yellow; higher Kelvin numbers mean the light is whiter or bluer.


  • Most ENERGY STAR qualified bulbs are made to match the color of incandescent bulbs at 2700-3000K.


  • For a whiter light, look for bulbs marked 3500-4100K.


  • For bluer white light, look for bulbs marked 5000-6500K.




In my living room I needed a much bluer light then the standard compact florescent light bulbs give.  I was having trouble seeing things and the whole room seemed very dark.  I have heard others say things were too bright and glaring – they bought the light bulb I needed, and I had theirs!

OSU Extension has developed a short brochure to help consumers understand the new lighting labels so they can pick the right light for their homes.  It can be accessed at the following link:

http://pods.dasnr.okstate.edu/docushare/dsweb/Get/Document-8666/L-428.pdf

Energy Star also has a helpful purchasing guide, as well as other information for consumers at http://www.energystar.gov/ia/products/fap/purchasing_checklist_revised.pdf

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