The wattage of a portable heater can vary depending on its type, size, and heating capacity. Here are some common wattage ranges for portable heaters:

• Space Heaters: Small space heaters typically consume 750 to 1500 watts, while larger models might use 1500 to 3000 watts or more. The wattage is often adjustable to control the heat output.
• Ceramic Heaters: Ceramic space heaters usually fall in the range of 750 to 1500 watts, making them energy-efficient choices for personal heating.
• Oil-Filled Radiators: Oil-filled radiators generally consume between 600 and 1500 watts. They are known for their steady and efficient heating.
• Infrared Heaters: Infrared heaters come in various wattage ranges, with many using around 1000 to 1500 watts. They heat objects and people directly, offering efficient spot heating.
• Baseboard Heaters: Electric baseboard heaters can range from 250 to 2000 watts or more, with larger models often used for whole-room heating.
• Wall Heaters: Wall-mounted electric heaters can have a wattage range of 500 to 2000 watts, depending on the model and heating capacity.

The specific wattage of a portable heater will be indicated in the manufacturer's documentation or on the heater itself. When choosing a heater, it's essential to consider both its wattage and the heating capacity to ensure it's suitable for the space you intend to heat. Additionally, higher wattage heaters can consume more electricity, so it's essential to balance your heating needs with energy efficiency.