The answer to 'how much is dimmer switch upgrade' is that the cost can vary significantly depending on several factors. Typically, the cost to upgrade a dimmer switch in your home can range from $50 to $200 or more, including both the materials and labor. The exact price will depend on the type of dimmer switch, the complexity of the electrical work, and whether you hire a professional electrician or attempt a DIY installation.
Factors that can influence the cost include the type of dimmer switch (basic vs. smart/connected), the difficulty of the installation (e.g., if it requires rewiring or upgrading the electrical box), and the hourly rate of the electrician. In some cases, the cost may also include additional materials like new wiring, junction boxes, or even upgrading the electrical panel. It's important to get local quotes from licensed electricians to get an accurate estimate for your specific project.