T12 vs. T8

Attribute	T12	T8
Size	1.5 inches in diameter	1 inch in diameter
Shape	Tubular	Tubular
Wattage	40W	32W
Length	48 inches	48 inches
Lifespan	up to 20,000 hours	up to 30,000 hours

Introduction

When it comes to choosing the right fluorescent light bulbs for your home or office, it's important to understand the differences between T12 and T8 bulbs. Both types of bulbs have their own unique attributes that make them suitable for different lighting applications. In this article, we will compare the attributes of T12 and T8 bulbs to help you make an informed decision.

Size and Shape

One of the main differences between T12 and T8 bulbs is their size and shape. T12 bulbs have a larger diameter of 1.5 inches, while T8 bulbs have a smaller diameter of 1 inch. This difference in size can affect where the bulbs can be used, as T12 bulbs may not fit in fixtures designed for T8 bulbs. Additionally, T12 bulbs are typically longer than T8 bulbs, which can also impact where they can be installed.

Energy Efficiency

Another important factor to consider when comparing T12 and T8 bulbs is their energy efficiency. T8 bulbs are more energy efficient than T12 bulbs, as they require less power to produce the same amount of light. This means that T8 bulbs can help you save on your energy bills in the long run. Additionally, T8 bulbs have a longer lifespan than T12 bulbs, which can also contribute to their overall energy efficiency.

Light Output

When it comes to light output, T12 and T8 bulbs also differ in their performance. T8 bulbs produce a brighter and more consistent light compared to T12 bulbs. This makes T8 bulbs ideal for areas where bright, uniform lighting is needed, such as offices, retail spaces, and classrooms. T12 bulbs, on the other hand, may produce a slightly dimmer and less consistent light, which may not be suitable for all lighting applications.

Color Temperature

The color temperature of a light bulb refers to the warmth or coolness of the light it produces. T8 bulbs are available in a wider range of color temperatures compared to T12 bulbs. This means that you have more options to choose from when it comes to the color of light produced by T8 bulbs. Whether you prefer a warm, soft light or a cool, bright light, T8 bulbs can provide the right color temperature for your needs.

Compatibility

When it comes to compatibility with existing fixtures and ballasts, T8 bulbs have an advantage over T12 bulbs. T8 bulbs are designed to work with electronic ballasts, which are more energy efficient and longer lasting than magnetic ballasts used with T12 bulbs. This means that if you are looking to upgrade your lighting system to be more energy efficient, T8 bulbs may be the better choice for you.

Cost

Cost is another important factor to consider when choosing between T12 and T8 bulbs. T8 bulbs are generally more expensive upfront compared to T12 bulbs. However, the energy savings and longer lifespan of T8 bulbs can offset the initial cost over time. If you are looking to save money on your energy bills and reduce maintenance costs, investing in T8 bulbs may be a wise decision in the long run.

Conclusion

In conclusion, when comparing T12 and T8 fluorescent light bulbs, it's important to consider factors such as size, energy efficiency, light output, color temperature, compatibility, and cost. T8 bulbs are generally more energy efficient, produce brighter light, offer more color temperature options, and are compatible with electronic ballasts. While T12 bulbs may be cheaper upfront, they may not be as energy efficient or produce as bright and consistent light as T8 bulbs. Ultimately, the choice between T12 and T8 bulbs will depend on your specific lighting needs and budget.