Coming home to a cozy, warm house during winter is comforting. Provided that you find a heater, you can always leave it on.
An unsafe heater can cause fire hazards, dry skin, irritation, and allergies. Another significant concern is heaters that aren’t energy efficient, resulting in high heating bills.
Fortunately, modern heaters are energy-efficient and have safety features to prevent accidents. Ensure the heater you’re considering comes with these features and meets standard safety requirements.
Things to Consider When Buying a Space Heater
If you need a heater that runs throughout, look for these features.
- Energy Efficiency: Prioritizing energy efficiency minimizes your power bills. Look for a heater with features that optimize energy consumption, such as precise temperature control and a programmable thermostat. Check if it offers a low heat mode with a lower wattage and an energy-saving mode (ECO) for reduced consumption.
- Tip-Over Protection: The longer the heater is on, the more the risk of tipping over. Tip-over protection automatically shuts off the heater if it’s accidentally knocked over, minimizing the fire risk.
- Overheat Protection: This feature prevents temperatures from reaching dangerous levels, which can cause fire and damage.
- Cool Exterior: A heater whose exterior remains cool-to-touch when on means there’s less risk of accidental burns. This feature is vital for safety if you live with pets and children.
- Thermostat Control: Opt for a heater with a precise and programmable thermostat to maintain a consistent and comfortable temperature. Heat regulation prevents unnecessary energy use and balances between warmth and efficiency.
- Safety Certification: Look for heaters with recognized certifications, such as ETL, UL, and CSA. Such heaters undergo thorough testing and meet safety standards for use over extended periods.
All the heaters in this list have met these conditions and can be left on continuously. Your choice depends on your budget, the size of the space you want to heat, and your preference.
We recommend these 15 heaters you can leave on all the time.
Lasko’s oscillating ceramic heater has high heat, low heat, and Auto heat settings. You set your preferred heat and leave it to distribute heat throughout your space. It won’t overheat, and the exterior remains cool even when left on all the time.
The Eco Mode on this Dreo space heater saves energy bills by automatically adjusting the heat level to the optimal range. This portable heater is ETL-certified for safety even when used for a long time. It’s also quiet so that you can work or sleep peacefully.
This 2-in-1 heater fan with two heat outputs—1500W and 750W—is ideal for small rooms of up to 200 sq. ft. That means you can use it in the specific room or space where you need warmth without heating the entire house.
With a heat output of 500W, the GAIATOP space heater is energy-efficient and perfect for continuous heating. Also, it takes up minimal space and heats fast using an advanced PTC ceramic heating element. You don’t have to worry about safety since it’s made from fireproof materials and features a 45° tip-over and overheating protection.
This Lasko mini space heater is impressively energy-saving and reliable. It only uses 200W and produces 682 BTUs of heat. Because of the low wattage, you can always leave it on, and it won’t trip the circuit breaker.
This heater has a low heat setting of 750W and 1500W high heat. Adjust the thermostat to your desired temperature for continuous heating without worrying about safety. It comes with in-built safety features, including overheat protection and tip-over shutoff.
Oil-filled radiator heaters produce consistent heat even when switched off. When you want to leave the Pelonis PHO15A2AGW on for a long time, just select a heat setting from the available 600W, 900W, and 1500W. It has a front carry handle and four heavy-duty wheels for easy portability from room to room.
The QQT space heater is highly efficient and energy-saving. It takes three seconds to heat, has low and high heat settings, and provides uniform heat distribution. Its highlight feature is the tilting head and 45° tip-over protection. If it tilts or turns, the heater will automatically shut down, straighten, and restart.
The GAIATOP space heater uses 1000W of power but can go as low as 600W. Its removable triangular wooden stand gives it surface stability. When knocked over, the tip-over protection feature automatically turns it off. Also, it’s ETL-certified, and the ON/OFF switches are independent.
This smart space heater is convenient and safe as you can control it via app and voice. It’s Wi-Fi and Bluetooth-enabled, so you can turn it on and control the temperature remotely. The heater is UL 1278-tested for extended use in living rooms, bedrooms, and all indoor spaces.
The Dr Infrared heater has a dual heating system producing 5200 BTUs of heat. But you’ll need to restart it every 12 hours as it comes with a 12-hour automatic shut-off timer. Set the thermostat to your desired temperature and leave it on as long as you need.
The HS-1500-PHX is another Wi-Fi-enabled, wall-mountable infrared heater that enables you to control the temperature from your phone. It uses 1500W and produces 5200 BTUs. Users who loved it recommended it for heating camp trailers.
The Ontel Handy ceramic heater is small but powerful, with advanced ceramic technology that heats up fast (2 seconds) and efficiently. It features an adjustable thermostat. At 800W, it warms the space while maintaining the moisture in the air, preventing skin dryness and irritation. And the best part is there are no messy wires to deal with; it plugs right into your wall outlet.
This space heater offers low heat settings (750W) and High Heat (1500W). You can use it to warm a small area, such as under the desk, to warm your feet. It’s ETL-certified, so you’re assured of safety even when left on.
This Dreo oil-filled radiator provides convenient warmth for large rooms. Choose from the 600W, 900W, 1500W, or the ECO mode for efficient power use. This heater has a 24-hour timer; you can leave it on and return to a pre-heated house. Besides overheating and tip-off protection, it has other safety features like child lock, mute, and screen-off modes.
Leaving a space heater on continuously assures you of a warm, comfortable space. But if you’re not careful, it can cause fire and damage. Also, your energy bills might skyrocket if the heater is not energy efficient.
The heaters on this list have safety features like overheating protection, adjustable thermostats, and tip-over protection. They also meet safety standards and provide enough heat to endure chilly weather.
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