Comparison: Best Space Heater For 350 Square Feet (Updated | Dec 16th)
When winter’s chill starts creeping through your windows, finding the right space heater becomes a top priority. For medium-sized rooms around 350 square feet, you need more power than a compact personal heater but not the bulk of a full-sized unit. The perfect balance of efficiency, safety, and performance is essential to keep your space cozy without skyrocketing your energy bills. After extensive testing and research, we’ve narrowed down the top contenders that excel at warming your bedroom, office, or living area while providing the reliability you need during those cold months.
- Best for advanced ptc heating: FLANUR Space Heaters for Indoor Use Large Room
- Best for compact dual function: GiveBest Portable Electric Space Heater with Thermostat
- Best for lightweight rapid heat: Electactic Portable Ceramic Space Heater w/Thermostat
- Best for smart energy saving: 1500W Space Heater
- Best for hyperamics fast heat: Dreo Space Heater
- Best for wall mount infrared: Heat Storm Phoenix Infrared Space Heater with Attachable Feet
- Best for quiet compact heater: GiveBest Portable Electric Space Heater
- Best for powerful garage heater: Newair 5600W Portable Electric Garage Heater – Heats Up to 600 sq. ft. with 6-Foot Cord Wrap and Carrying Handle
- Best for safe touch infrared: Heat Storm Phoenix HS-1500-PHX
- Best for quiet precision control: Dreo Space Heater
Product Comparison: Best Space Heater For 350 Square Feet
FLANUR Space Heaters for Indoor Use Large Room, 1500W Portable Electric Heater with Remote, 5 Modes, Safety Protection & Child Lock, 12H Timer, Oscillation Heater for Bedroom Home Office Black 1Pack

- Powerful Heating Technology: Space heater office equipped with advanced PTC ceramic heating technology, this space heaters for indoor use large room delivers 1500W of robust power to efficiently warm up to 220 square feet, space heater large room offers an unparalleled warmth experience. This portable heater for office is the ideal indoor heating solution for offices or bedrooms.
- Multi Mode Heating: Space heaters for indoor use large room with three fan speed settings (H1/H2/H3), an energy-saving ECO mode, and a fan mode. This space heater office adapts to seasonal changes and diverse space needs, electric heaters for indoor use large room keep you warm year-round. The space heaters for indoor use large room has a 70 ° oscillation, which can bring warmth to every corner of the room.
- User-Friendly Design: Room heater office equipped with a remote control and adjustable timer (1-12 hours), the space heater large room operates at an ultra-quiet 23 dB at its lowest setting, making it perfect for quiet office or bedroom environments. The space heater office is equipped with an LED display screen, which can visually display the current temperature and facilitate real-time monitoring of equipment status.
- Safety First: Space heater for office engineered for ultimate security, this portable heater for bedroom incorporates multiple safeguards including automatic tip-over protection, 24h auto off, overheat protection, and a child lock to protect your family and pets. After turning off the space heaters for indoor use large room, there will be a 30s countdown on the display, and the fan will work to dissipate the remaining heat
- Enhanced Portability: Electric heaters indoor use large room featuring a rear handle for easy movement, this space heaters for indoor use large room large room adapts to diverse indoor settings. Whether transferring between rooms or storing during warmer seasons, room heaters for indoor use large room remains effortless to transport while maintaining efficient heating performance.
GiveBest Portable Electric Space Heater with Thermostat, 1500W/750W Safe and Quiet Ceramic Heater Fan, Heat Up 200 Square Feet for Office Room Desk Indoor Use, Silver

- 2 in 1 heater fan: This ceramic heater provides two heat levels, 1500W or 750W and one cool air fan, you can use it both for winter and summer. Thermostat control of the heater will turn the heater off when it reaches a preset temperature and turn the heater back on when the temperature dips below the thermostat setting. It will cycle on and off. Adjust the setting of thermostat from 41℉ to 95℉ to keep room comfortable
- Multi protection safety system: These heaters are made of flame retardant material avoiding any fire hazard. Automatic safety shutoff system will shut the heater off when the heater overheat. The tip over protection system will also shut the heater off when the heater was knocked over by accident and it will come back on automatically if it is up righted
- Compact and powerful: The mini heater with build in carry handle helps to reinforce the potential of rather low electrical bills by using at the place where you need when you don’t want to warm the full house with other centralized heaters
- Quiet and fast heating: The noise this ceramic heater makes is lower than 45 decibels, quiet enough for most people to use in a bedroom while sleeping. With PTC ceramic heating tech and high speed fan, this heater put out tons of heat to heat up 200 square feet in seconds
- Upgrade abs material: Upgrade abs material applied, which is more flame resident. The room heater with six feet lead cord and 2 prong connection has a long lasting life
Electactic Portable Ceramic Space Heater w/Thermostat, 1500W Indoor Electric Space Heater Fan with Overheat and Tip-Over Protection, Heat Up 200 Square Feet for Office Room Dorm Use, Black

- 2-in-1 Ceramic Heater & Fan : Offers year-round comfort with two heating modes (1500W & 750W) for winter and a cool air fan for summer use. Equipped with a thermostat, the heater fan automatically turns off once the preset temperature is reached and reactivates when the room temperature drops below the set point. Easily adjust the thermostat between 41°F and 95°F to maintain your ideal room temperature effortlessly.
- Multi-Protection Safety System: Three built-in safety features ensure complete peace of mind. The ceramic space heater is constructed from flame-retardant materials to prevent fire hazards. It also features an automatic overheat shutoff and a tip-over switch that immediately cuts power if the unit is knocked over, with operation resuming once it’s placed upright.
- Compact, Portable & Cost-Effective:Enjoy targeted warmth exactly where you need it. This portable heater is your energy-efficient solution for spot heating—whether in your home office, bedroom, or any space where cranking up the central heat is unnecessary and costly.
- Quiet & 2s Rapid Heating: The noise of this electric heater fan makes is lower than 45 decibels, quiet enough for most people to use in a bedroom while sleeping. With PTC ceramic heating tech and high speed fan, this heater put out tons of heat to heat up 200 square feet in seconds
- Lightweight and Wide Applicability: Weighing below 3 lbs and sized at 6.85”L x 5.47W” x 9.65”H with easy to hold design, the desktop heater doesn’t take up space. On the table, at y our feet, and by the cabinet, or place it at study, bedroom, office, dorm, no matter where you are in the corner, it can quickly deliver a uniform warm current.
1500W Space Heater, Portable Electric Heater Heat Up 200 Square Feet for Indoor Use Office Garage, Rapid PTC Ceramic Heating with Remote, Digital Thermostat, 24H Timer, Multiple Safety Protection

- Fast Advanced Heating: With faster heating PTC ceramic and high-speed fan, this space heater delivers comfort all across the room. Never fall short on heating power. This 1500W electric heater puts out lots of warmth
- Heating for Everyone: The 60° wide-angle oscillation provides more effective warm airflow distribution around your room. This oscillating heater is designed to maximize warmth coverage. There is a timer that can be set in one-hour increments from 1 to 24 hours.
- Usage Comfort: It’s fully operational with the included remote. Easily turn it on and change the settings you need without halting work and getting up from desk. Electric space heater features a sleek and modern design with a slot on the back to fit your hand for easy portability.
- Smart ECO-Energy Saving: The auto mode emits enough heat at 79 degrees. Smart ECO function on this ceramic portable heater helps save money on the electric bill. Warms up a room fast and has multiple settings to fit everyone’s needs.
- Below Whispering Quiet: Tower heater warms room well and is not too noisy. The quiet heater with an overheating system protects heating element safely, so it’s not scary to use in the bedroom.
Dreo Space Heater, 1500W Portable Electric Heaters for Indoor Use, PTC Ceramic Heater for Office with Remote, Thermostat, 70°Oscillation, 12H Timer, 5 Modes, Safe Quiet Room Heater for Bedroom

- Faster Heat Than Ever: Powered by Dreo Hyperamics Technology, Atom One space heater heats up more efficiently with up to 1500W working power, reaching your desired temperature immediately, letting you feel fast, balmy heat straight away. This electric heater is meant to sit by your feet on the floor, near your hands on a desk, or carry around indoors. Add our heaters for indoors use to your cart & experience our amazing heater and customer service
- Shield360° Protection: Dreo Room Heater Heat up your day and night without worries. ETL-listed Shield360° system provides tip-over and overheat protection, as well as an enhanced safety plug. Along with UL94 V-0 flame-retardant materials to ensure ultimate safety in all aspects
- Save More on Energy Bills: ECO Mode adjusts the heat level automatically to reach your desired temperature while saving more on energy bills. Personalize your own comfort with the digital thermostat from 41 to 95 ℉, adjustable in 1℉ increments. Precise Heat, Precise Comfort
- Warm Any Angle: Experience the heat that envelopes you in the widest way possible. 70° wide-angle oscillation sweeps around to cover the whole area, providing wide-reaching heat for your bedroom, garage, basement, office, desktop, etc
- Engineered to be Quieter: Brushless DC motor and 9 aerodynamic blades smooth out airflow and eliminate air turbulence, delivering soft, tranquil warmth. As quiet as 37.5 dB, you can sleep or work with peace of mind
- Heat the Way You Like: With various modes (High/Medium/Low/ECO/Fan Only), the heat comes in many forms, from powerful heat to more energy-saving ECO heat. Dreo Atom One electric heater with remote control easily provides the balance you want between heat and energy saving
Heat Storm Phoenix Infrared Space Heater with Attachable Feet, Remote Control, Energy Efficient-750-1500 Watts, White Floor or Wall – HS-1500-PHX

- This portable 1500 watt infrared heater has the power to heat up a small room or office with its 5200 BTU heat output. Two power modes, one uses the full 1,500 watt power while the other only uses 750 watts.
- Our patented heat exchanger with HMS Technology combines with humidity in the room to provide soft, safe heat without reducing oxygen or humidity. Safe to touch, even the grill.
- Small convenient size makes this perfect for any room in the house. Hang it on the wall or set it on the ground thanks to removable feet and wall mounting points on the back of the heater.
- Built in thermostat with LED display shows you what the ambient temperature is and helps regulate the temperature efficiently. Included remote control allows you to control the temperature with ease.
- This heater comes with a 1 year manufacturer warranty
GiveBest Portable Electric Space Heater, 1500W/750W Ceramic Heater with Thermostat, Heat Up 200 Square Feet in Minutes, Safe and Quiet for Office Room Desk Indoor Use

- 2 in 1 heater fan: This ceramic heater provides two heat levels, 1500W or 750W and one cool air fan, you can use it both for winter and summer. Thermostat control of the heater will turn the heater off when it reaches a preset temperature and turn the heater back on when the temperature dips below the thermostat setting
- Multi protection safety system: These heaters are made of flame retardant material avoiding any fire hazard. Automatic safety shutoff system will shut the heater off when the heater overheat. The tip over protection system will also shut the heater off when the heater was knocked over by accident and it will come back on automatically if it is up righted. For optimal safety, avoid using this heater simultaneously with other high-power appliances on the same circuit.
- Compact and powerful: With build in carry handle, this portable mini heater helps to reinforce the potential of rather low electrical bills by using at the place where you need when you don’t want to warm the full house with other centralized heaters
- Quiet and fast heating: The noise this ceramic heater makes is lower than 45 decibels, quiet enough for most people to use in a bedroom while sleeping. With PTC ceramic heating tech and high speed fan, this heater put out tons of heat to heat up 200 square feet in seconds
- Upgrade abs material: Upgrade abs material applied, which is more flame-retardant. The room heater with six feet lead cord and 2 prong connection has a long lasting life
Newair 5600W Portable Electric Garage Heater – Heats Up to 600 sq. ft. with 6-Foot Cord Wrap and Carrying Handle, Space Heater Ideal for Garage, Bedroom, Dorm, and Office

- [POWERFUL FAN FORCED HEATING] – With 5,600 watts of heating power, this electric garage heater packs a punch. It’s strong enough to warm up to 600 square feet—perfect for a two-car garage or a 24×24 workshop or shed.
- [RUGGED EXTERIOR BUILT TO LAST] – Black powder coated finish protects against scratches and scuffs, making this sturdy steel-bodied heater perfect for garages, workshops and light industrial environments. Alarm-No
- [THERMOSTAT & AUTO-FAN TEMP CONTROL] – Set the temperature you want. Once the space has reached the ideal temperature, the fan will automatically kick-in as needed to keep your workshop warm. It’s that easy to get the heated working environment you need in winter.
- [PORTABILITY FEATURES FOR FAR-RANGING HEAT] – Take advantage of 2 portable features: the cord wrap and carry handle. Together they make it easy for you to position or move your heater to the most ideal place in your garage, workshop, or shed.
- [SAFETY FEATURES FOR PEACE OF MIND] – This UL-certified heater has an automatic shut-off function that prevents overheating. The outer construction stays cool after use to ensure safety for you and your space.
Heat Storm Phoenix HS-1500-PHX, Infrared Space Heater with Attachable Feet, Remote Control, Energy Efficient-750-1500 Watts, Gray Floor or Wall

- This portable 1500 watt infrared heater has the power to heat up a small room or office with its 5200 BTU heat output. Two power modes, one uses the full 1,500 watt power while the other only uses 750 watts.
- Our patented heat exchanger with HMS Technology combines with humidity in the room to provide soft, safe heat without reducing oxygen or humidity. Safe to touch, even the grill.
- Small convenient size makes this perfect for any room in the house. Hang it on the wall or set it on the ground thanks to removable feet and wall mounting points on the back of the heater.
- Built in thermostat with LED display shows you what the ambient temperature is and helps regulate the temperature efficiently. Included remote control allows you to control the temperature with ease.
- This heater comes with a 1 year manufacturer warranty
Dreo Space Heater, Portable Electric Heaters for Indoor Use with Thermostat and Remote, 2024 Upgraded, Digital Display, 12H Timer, 5 Mode, 1500W PTC Ceramic Fast Safety Heat for Office Bedroom Home

- Powerful heat that fits everywhere: Dreo space heaters for indoor combines Hyperamics 1500W advanced PTC system with a new heat funnel design to deliver heat within seconds and enhance warm air circulation for up to 200% farther reach than traditional heaters.
- Unbreakable safety: Dreo goes beyond the unexpected to deliver peace of mind with every room heater. The innovative tilt-detection sensor improves accuracy and reliability for better tip-over protection, and built with V0 flame retardant materials, overheat protection, and safety plug, all certified by ETL.
- Ultimate temperature control: The enhanced NTC chipset brings more precision to turn your space heater with thermostat into a smart heating powerhouse, allowing you to set heat on a wider range from 41-95℉ with 1℉ increments, saving you energy while keeping you comfortable.
- Cozy quietness: No more choosing between quiet or warmth, Dreo’s heater for bedroom warms quietly thanks to its brushless DC motor with frictionless performance and a winglet fan design that reduces turbulence, reducing noise to only 34dB.
- Fits into your lifestyle: This portable heater handle makes it easier to carry and is equipped with multiple heating levels and modes to heat as you like (Power heat, ECO, Fan Only). It also features handy extras for a hassle-free experience (remote control, 12-hour timer, mute, child lock, and memory function).
- We Are Always Here for You: To ensure a pleasant experience for everyone while using the heater, it is recommended to carefully read the precautions in the user manual and QSG before use. It is important to note that a hot or loose-fitting plug can be a sign of a worn electrical outlet. We recommend that such outlets be checked and replaced prior to heater use to prevent potential overheating hazards. Let our product experts guide you through any issues or questions you might have with the product at any time with our customer support line.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for in a space heater for 350 square feet?
Look for a heater with at least 1,500 watts of power, as this is typically sufficient for heating a 350 sq ft room. Consider safety features like tip-over protection and overheat shut-off for peace of mind. Energy efficiency settings, such as eco-mode or programmable timers, can also help save on electricity bills.
How do ceramic and infrared heaters compare for this room size?
Ceramic heaters heat the air in the room, making them ideal for evenly warming enclosed spaces like a 350 sq ft area. Infrared heaters, on the other hand, heat objects and people directly, which can feel more immediate but may struggle to warm the entire room evenly. Choose ceramic for consistent warmth or infrared for targeted heating.
Are there specific features that improve performance in larger rooms?
Oscillation is a key feature for distributing heat evenly across a 350 sq ft space. A remote control and digital thermostat allow for easy adjustments without getting up, enhancing convenience. Some models also include multiple heat settings, so you can customize the output based on room temperature.
How much does it cost to run a space heater for 350 square feet?
Running a 1,500-watt heater for 8 hours a day can cost around $1.50 to $2 daily, depending on your electricity rate. Energy-efficient models with eco-mode or lower wattage settings can reduce costs by up to 30%. Always check the heater’s energy-saving features to maximize value.
Is a tower heater or a baseboard heater better for this space?
Tower heaters are compact and often include oscillation, making them great for even heat distribution in medium-sized rooms. Baseboard heaters are quieter and can blend into decor, but they may lack features like timers or remote controls. Choose a tower heater for versatility or a baseboard heater for discreet, silent operation.
Can a space heater for 350 square feet be used safely overnight?
Yes, but only if it has safety features like tip-over protection, overheat shut-off, and a cool-touch exterior. Look for models with programmable timers or sleep modes to automatically adjust heat levels. Always place the heater on a stable, flat surface away from flammable materials.
How do I determine the right size heater for my 350 sq ft room?
A general rule is 10 watts of heating power per square foot, so a 1,500-watt heater is suitable for 350 sq ft. Check the manufacturer’s recommended room size to ensure optimal performance. If your room has high ceilings or poor insulation, you may need a more powerful heater.
What are the top brands for space heaters in this size range?
Brands like Dyson, Lasko, and Vornado are known for reliable and efficient heaters for medium-sized rooms. Dyson offers premium features like bladeless designs, while Lasko and Vornado provide budget-friendly options with strong performance. Compare warranties and customer reviews to find the best value.
