Choosing an electric heater shouldn’t feel like guesswork, especially when comfort and energy bills are on the line. This guide walks you through sizing, technologies, safety features, and real-world costs so you can heat smarter, not harder. We’ll compare options for bedrooms, living rooms, workshops, and damp spaces without hype or jargon. By the end, you’ll know what to buy, where to place it, and how to run it efficiently.