To calculate potential savings, you can use tools Understanding Different Types of Light Bulbssuch as online calculators that take into account the wattage of your current bulbs, the wattage of energy-efficient alternatives, your average usage hours, and your local electricity rates.
Is it more cost-effective to install energy-efficient lighting myself or hire a professional? While DIY installation can save on labour costs, hiring a professional may ensure proper installation and compliance with safety standards. Consider your own skill level, the complexity of the installation, and any potential risks before deciding.