The best portable electric heater for a garage is the Dr. Infrared Heater DR-988. This heater is specifically designed for larger spaces like garages, workshops, and construction sites. It offers a powerful 5,600 watts of heating capacity, which can effectively warm up areas up to 600 square feet. The DR-988 features an adjustable thermostat, allowing you to set the desired temperature for optimal comfort. Safety is a key consideration, and this heater includes an overheat protection system and a high-temperature heating limit to prevent accidents. Its durable construction ensures longevity, even in rugged environments. The heater is equipped with a built-in handle, making it easy to move around as needed. Another notable feature is its fan-forced air design, which helps distribute heat evenly throughout the space. This ensures that the entire garage is warmed efficiently, rather than just the area immediately surrounding the heater. The DR-988 operates quietly, minimizing noise disruption while you work. For those who require a more compact option, the Lasko 675919 Stanley Pro-Ceramic Utility Heater is also highly recommended. It offers 1,500 watts of power, suitable for smaller garages or as a supplementary heat source. It includes an adjustable thermostat, three quiet settings, and a pivoting head to direct heat where it's needed most. Both heaters are praised for their reliability, efficiency, and ease of use, making them excellent choices for maintaining a comfortable temperature in your garage during colder months.

To determine the number of watts needed to heat your garage, consider the following factors: 1. **Garage Size**: Calculate the volume by multiplying the length, width, and height. Larger garages require more power. 2. **Insulation**: Well-insulated garages retain heat better, reducing the wattage needed. Poorly insulated spaces require more power. 3. **Climate**: Colder climates need more heating power. Consider the average winter temperature in your area. 4. **Desired Temperature**: The difference between the outside temperature and your desired inside temperature affects the power needed. 5. **Heat Loss**: Consider windows, doors, and other openings that may cause heat loss. A general rule of thumb is to use 10 watts per square foot for a well-insulated space. For example, a 400 square foot garage would need approximately 4,000 watts. Adjust this based on insulation quality and climate. For precise calculations, use the formula: \[ \text{Watts} = \text{Volume (cubic feet)} \times \text{Temperature Rise (°F)} \times \text{Insulation Factor} \] - **Insulation Factor**: Typically ranges from 0.5 (well-insulated) to 1.5 (poorly insulated). Example: A 20x20x10 foot garage (4,000 cubic feet) in a cold climate needing a 30°F rise with poor insulation: \[ \text{Watts} = 4,000 \times 30 \times 1.5 = 180,000 \text{ BTUs} \] Convert BTUs to watts (1 watt = 3.412 BTUs): \[ \text{Watts} = \frac{180,000}{3.412} \approx 52,750 \text{ watts} \] Choose a heater with a slightly higher wattage to ensure efficiency.

Portable electric heaters can be safe for use in a garage if certain precautions are taken. Ensure the heater is specifically designed for garage or workshop use, as these models are typically more robust and can handle the dust and potential moisture found in such environments. Place the heater on a stable, flat surface away from any flammable materials like gasoline, paint, or cleaning supplies. Maintain a clear space around the heater, typically at least three feet, to prevent accidental ignition of nearby objects. Use a heater with safety features such as tip-over protection and overheat shut-off. These features automatically turn off the heater if it is knocked over or becomes too hot, reducing the risk of fire. Ensure the heater is plugged directly into a wall outlet rather than an extension cord or power strip, as these can overheat and pose a fire hazard. Regularly inspect the heater for any signs of damage, such as frayed cords or broken components, and replace it if necessary. Avoid using the heater in damp or wet conditions to prevent electrical shock. If the garage is not well-ventilated, be cautious of carbon monoxide buildup, although electric heaters do not produce carbon monoxide, other activities in the garage might. Finally, never leave the heater unattended while in use, and always turn it off when leaving the garage or going to sleep. By following these guidelines, portable electric heaters can be a safe and effective way to warm a garage space.

Yes, you can use a portable electric heater in a workshop, but there are several considerations to ensure safety and efficiency. First, choose a heater with adequate power output for the size of your workshop. Measure the square footage and select a heater with the appropriate wattage, typically 10 watts per square foot. Ensure the heater has safety features such as tip-over protection and overheat shut-off. These features are crucial in a workshop environment where the heater might be accidentally knocked over or covered by materials. Position the heater on a stable, flat surface away from flammable materials like sawdust, chemicals, or paper. Maintain a clear space around the heater to allow for proper airflow and prevent overheating. Check the electrical capacity of your workshop. Portable electric heaters can draw significant power, so ensure your electrical system can handle the load without tripping breakers. Avoid using extension cords, but if necessary, use a heavy-duty cord rated for the heater's power requirements. Ventilation is important to prevent the buildup of fumes from any workshop activities. Ensure the space is well-ventilated, especially if using the heater for extended periods. Regularly inspect the heater for any signs of damage or wear, such as frayed cords or malfunctioning controls. Clean the heater periodically to remove dust and debris that could cause overheating. Finally, follow the manufacturer's instructions for operation and maintenance. This ensures the heater functions safely and efficiently, providing a comfortable working environment in your workshop.

1. **Assess the Space**: Measure the area of the jobsite in square feet. Consider the ceiling height, as larger volumes require more heating. 2. **Determine the Temperature Rise**: Decide the desired temperature increase from the current ambient temperature to the target temperature. 3. **Calculate BTU Requirements**: Use the formula: BTUs = (Square Feet) x (Temperature Rise in °F) x (0.133). This will give you the British Thermal Units needed to heat the space. 4. **Consider Insulation**: Evaluate the insulation quality. Poorly insulated areas may require more heating power. 5. **Select Heater Type**: Choose between direct-fired, indirect-fired, or electric heaters based on ventilation availability and fuel preference. 6. **Fuel Availability**: Ensure the availability of the required fuel type (propane, natural gas, diesel, or electricity) at the jobsite. 7. **Safety and Ventilation**: Ensure proper ventilation for combustion heaters to prevent carbon monoxide buildup. Electric heaters are safer for enclosed spaces. 8. **Portability and Durability**: Consider the ease of moving the heater around the site and its ability to withstand jobsite conditions. 9. **Regulatory Compliance**: Ensure the heater meets local safety and emissions regulations. 10. **Budget and Cost Efficiency**: Balance initial costs with operational efficiency and fuel costs. 11. **Consult Professionals**: If unsure, consult with HVAC professionals or heater suppliers for recommendations based on specific jobsite conditions.