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.