10 Best 240 V Garage Heaters 2025 in the United States

The TEMPWARE Electric Garage Heater offers a powerful heating capacity of 34,120 BTUs, making it suitable for large areas up to 1,500 square feet, ideal for a garage, workshop, or greenhouse. With 10,000 watts of power, it can handle substantial heating needs effectively. The adjustable angle and louvers allow for directed heating, enhancing its functionality.

It includes a thermostat with a range between 45°F to 95°F and an ECO mode for energy-efficient operation, automatically adjusting based on ambient temperature. The 12-hour timer adds convenience and helps save on energy bills. Safety features like overheat protection and ETL certification ensure reliable use. Its sturdy steel construction promises durability and longevity.

This heater is hardwired, which means it requires professional installation, ensuring safety compliance with national and local codes. However, it does not come with a power cord, which could be an inconvenience for some users. The need for professional installation and the lack of a power cord might be seen as drawbacks. If you’re looking for a high-capacity, energy-efficient heater with robust safety features for a larger space, the TEMPWARE Electric Garage Heater is a viable option.

The CTSC 10000W Electric Garage Heater is a robust and efficient option for heating large indoor spaces like garages, workshops, and warehouses up to 1200 square feet. With a high heating capacity of 34,130 BTUs and 10,000 watts, it promises rapid and consistent warmth. The heater is equipped with a digital thermostat, remote control, and timer for convenient operation, and its ECO function automatically adjusts to maintain desired temperatures while saving energy.

Safety is a significant strength, featuring overheat protection and ETL certification, and its durable construction from SPCC cold-rolled steel ensures longevity. The heater’s noise level is low, making it a quieter option for continuous use. It offers flexible mounting options, either on the wall or ceiling, and includes adjustable angles for targeted airflow. The voltage display screen is a unique feature that simplifies troubleshooting installation issues.

However, it requires hardwired installation and a professional electrician, as it does not come with a power cord. Despite these installation specifics, its energy efficiency, built-in safety features, and ease of use make it a reliable choice for those needing a powerful and safe heating solution for larger spaces.