Here are the best weatherproof outdoor electric heaters you can buy in 2025: Best Overall (Ceiling Mount Heater): DONYER POWER 1500W Electrical Patio Heater; Best for Gazebos (Ceiling Mount Heater): ...

The working paper investigates emissions from fuel-fired heaters commonly used on battery electric coaches in northern China, where winter temperatures can drop as low as -20 °C. These auxiliary ...