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Comparison of Lighting & Bulb Types |
You'll find that you have several options to consider when selecting what type of lighting you should use in your home. When selecting energy-efficient lighting, it's a good idea to understand basic lighting terms and principles. Also, it helps to explore your lighting options for indoors and/or outdoors if you haven't already. This will help narrow your selection. Types of lighting include: * Fluorescent lighting * High-intensity discharge lighting * Incandescent lighting * Low-pressure sodium lighting * Outdoor solar lighting You can use the chart below to compare the different types of lighting:
Lighting Comparison Chart | Lighting Type | Efficacy
(lumens/watt) | Lifetime
(hours) | Color Rendition Index
(CRI) | Color Temperature
(K) | Indoors/Outdoors | | Incandescent | | | | | | | Standard "A" bulb | 10-17 | 750-2500 | 98-100 (excellent) | 2700-2800 (warm) | Indoors/outdoors | | Tungsten halogen | 12-22 | 2000-4000 | 98-100 (excellent) | 2900-3200 (warm to neutral) | Indoors/outdoors | | Reflector | 12-19 | 2000-3000 | 98-100 (excellent) | 2800 (warm) | Indoors/outdoors | | Fluorescent | | | | | | | Straight tube | 30-110 | 7000-24,000 | 50-90 (fair to good) | 2700-6500 (warm to cold) | Indoors/outdoors | | Compact fluorescent lamp (CFL) | 50-70 | 10,000 | 65-88 (good) | 2700-6500 (warm to cold) | Indoors/outdoors | | Circline | 40-50 | 12,000 | | | Indoors | | High-Intensity Discharge | | | | | | | Mercury vapor | 25-60 | 16,000-24,000 | 50 (poor to fair) | 3200-7000 (warm to cold) | Outdoors | | Metal halide | 70-115 | 5000-20,000 | 70 (fair) | 3700 (cold) | Indoors/outdoors | | High-pressure sodium | 50-140 | 16,000-24,000 | 25 (poor) | 2100 (warm) | Outdoors | | Low-Pressure Sodium | 60-150 | 12,000-18,000 | -44 (very poor) | | Outdoors |
Get Local Pre-Screened Interior Lighting Installation Help
Information couretesy of EERE
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