THE GOODBULB JOURNAL

Good light, good reads.

Lighting know-how, the story of American manufacturing, and the good we get to do along the way.

Bulb School

CFL vs. Incandescent: A Comparison Guide

Which bulb actually saves you money, and which belongs in the past.

Understanding Light Bulb Order Codes

A19, BR30, E26. The code on the box, finally decoded.

The Best Lighting Setup for Home Classrooms

The right light helps kids focus, read, and learn.

LED vs. Incandescent Holiday Lights

Brighter, safer, and a fraction of the energy.

Why LEDs? The Benefits, Explained

Less energy, less waste, and years of light.

A Is for Arbitrary

What the A in A19 actually means.

Incandescent Light Bulbs, Explained

What made the incandescent special, and why it is fading.

Essential Lighting Questions, Answered

The questions buyers ask us most, in one place.

Sustainable Living Tips for Earth Day

Small changes that add up, and how efficient light fits in.

Are Indoor LED Lights Bad For Your Eyes?

Learn how LED lights affect eye health and make informed choices for your spaces.

How Do I Replace My Incandescent Bulbs with LEDs?

What actually causes eye strain and where your lighting fits in.

LED Lighting Retrofit Guide: How to Upgrade Your Business to LED

What businesses should know before replacing outdated lighting.

7 Benefits of Switching to LED Lights in Your Home

Lower energy use, longer life, and fewer trips up the ladder.

Eco-Friendly Light Bulbs: How LED Lighting Supports a Sustainable Future

Why better bulbs can mean less waste, less energy, and a smaller footprint.

LED Lighting for Businesses: Benefits, Savings & Upgrade Tips

Where better lighting can save money and improve the space you work in.

What Bulb Is Best for the Bathroom?

The brightness, color, and bulb type that make bathrooms work better.

What Is the Best Kelvin Temperature for My Bathroom?

Warm, cool, or somewhere in between? Here’s what actually works.

Are LED Lights Dimmable? Can I Use My Current Dimmer Switch with LED Bulbs?

Before you blame the bulb, make sure the dimmer is part of the plan.

Light Bulb Shape, Base and Filament Types

A plain-English guide to all those shapes, letters, bases, and numbers.

Why Doesn’t My Light Fixture Use a Normal Light Bulb? GU Base Explained.

What GU bases are, why they exist, and how to find the right replacement.