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Here’s All You Need To Know About Light Bulbs And Their Energy-Efficiency

You must’ve come across the famous story of Benjamin Franklin and his amazing lightning kites. 

Most of us are aware of Thomas Edison’s countless attempts at light bulbs. That said, today there are one too many different options of lights.

Here’s All You Need To Know About Light Bulbs And Their Energy-Efficiency

Most of them are aesthetically driven, but there are a couple of other factors as well. As a modern consumer, the most important style in lighting is energy efficiency. 

It’s more than just wanting to reduce your utility bills with energy-efficient light bulbs.

As a bulb user, it’s inevitable to be concerned about how you can conserve energy and perhaps even protect the environment in general. 

Therefore, let’s take a look at the different types of bulbs out there and their energy efficiency.

How Do Light Bulbs Work?

Have you ever wondered why your home not only feels quieter but colder as well during an outage? 

To simply put, energy can never be destroyed or created. In other words, energy can only be converted from one form to the next.

When it comes to traditional light bulbs, the heat energy is then converted into light energy, even though a lot of it is often wasted along the course. Unfortunately, the energy wasted still uses electricity.

So, if you’re searching for ways to make your lights more energy-efficient, you have the choice to either lower their heat production, convert more heat into light, or use up a larger amount of heat released.

Some light bulbs also create a vacuum inside bulbs so that their filament, along with glowing brighter, also can release more light. Then there are light bulbs that through gas brightens the light.

There are certain lights in both the gasses and filaments that are omitted. In such lights, semiconductors are being used. 

This passes through an electric current via a diode that has a negative charge.

What Are The 4 Types Of Light Bulbs?

Let’s understand how these light bulbs work and their energy-efficiency levels:

Incandescent Tungsten Bulbs

Incandescent tungsten light bulbs are the traditional light bulbs that have a tungsten filament, with a glass globe surrounding them. 

The glass can be clear or tinted. This bulb heats up rather quickly, and can easily scale your hot if touched hot.

The inside of the bulbs might be loaded with nitrogen gas, which makes the filament glow much brighter, thus releasing a large amount of flight. 

Moreover, a lot of heat energy is often wasted when it dissipates.

In other words, tungsten lights will make the area around significantly warm. Some tungsten lights have zero gas in them, resulting in both the air and other gasses being sucked out, which then leaves a vacuum. 

This makes these bulbs the least energy-efficient, as a lot of heat energy is wasted.

Halogen Bulbs

Halogen bulbs use the same type of technology as tungsten bulbs. Halogen bulbs were named after the halogen gas that’s filled in this bulb's glass globes. 

These bulbs might also be infused with other types of gasses such as bromine or iodine, or inert gasses.

When it comes to halogen lamps, the gas doesn’t touch the hot filament directly, as it’s enclosed in a glass envelope, which also encases in a much larger glass globe. 

Halogen bulbs are smaller in comparison to tungsten bulbs and last longer, making them more energy-efficient.

Fluorescent Bulbs

These lights are very popular in greenhouses as they provide illumination without affecting the temperature of your plants. 

That said, if you want more energy-efficient lighting in your garden, it’s best to go for LED grow lights.

It not only reduces utility bills but is also essential since you’re already spending so much on your garden. 

When setting up fluorescent lights, do be mindful of their configuration. Modern fluorescent lights are fitted seamlessly into your tungsten outlet and there is no need for any customization.

These lights are called compact fluorescent lamps (CFLs).

LED Bulbs

LED bulbs are being used in every other home and were considered to be ‘new tech’ when the first LED bulb was invented back in the 60s. 

The LED bulbs have a negative diode chip, in which the electrons release photons when electricity passes via the diode.

Moreover, these LED chips are much smaller in size and can be mounted in doubles or more. 

The fact that it takes a very little amount of energy to release the photons, LEDs are very energy-efficient as compared to the other types of light bulbs.


Well, there you go! We have shared the four types of bulbs being used out there, and LED bulbs are nevertheless the most energy-efficient among them all!


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