When the weather gets cold and temperatures start to drop, heating your home consistently isn’t always as simple as setting your thermostat.
Often, homes need a space heater, or several, to make sure the nooks and crannies get the heat they need. Choosing a heater with the right power, features, and efficiency is the first step towards transforming your home into a warm sanctuary.
In this guide, we will walk you through our picks for the Best Space Heater of 2025, so you can get the exact right heater for your space.
- Best Space Heater of 2025
- Runner Up Best Space Heater
- Best Space Heater for Small Spaces
- Best Space Heater for Large Spaces
- Best Wall-Mounted Space Heater
- Most Energy Efficient Space Heater
- Best Space Heater for Bedrooms
- Space Heater FAQs
Best Space Heater of 2025
Vornado VMH600i Whole Room Heater
When we look for a space heater, typically the top three priorities on our list are power, ease of use, and thoughtful design. The Vornado VMH600i Whole Room Heater safely ticks all those boxes, and more, earning the top spot on our Best Portable Heaters list with its performance and features.
Known for its sleek design, durable construction, and fan-forced power, the Vornado VMH600i delivers sustained warmth across any room with exceptional efficiency. It features an LED display, a remote control, and an innovative Energy Sync setting that lets you monitor your energy consumption.
- Sizing: 5,118 BTUs, for up to 150 square feet
- Efficiency: 12.5 amp draw on high
- Control Features: Two heat settings, plus a fan-only mode
- Safety Features: Auto-overheat shut-off, tip-over shut-off, cool-touch exterior
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Ease-of-Use Features: 6-foot power cord, carry handle, integrated cord storage, extra-long warranty, remote control
Why We Picked It: We chose the Vornado VMH600i as the Best Portable Heater of 2025 for its unmatched blend of efficiency, style, and technology. The VMH600i’s ability to evenly distribute heat and user-friendly controls make it an extraordinary choice for anyone needing a reliable, effective electric space heater.
Need help deciding which features and specifications are right for your home? Check out Sylvane’s Heater Buying Guide for more information, sizing advice, tips, and tricks from our experts.
Runner-Up Best Space Heater of 2025
DeLonghi Capsule Ceramic Heater
The DeLonghi Capsule Ceramic Heater is another great option for a portable, compact, and safety-conscious space heater that can be used in virtually any space.
Weighing just three pounds, the DeLonghi capsule heater is perfect for small spaces like offices and bedrooms, offering direct, localized warmth with an ergonomic carrying handle for easy transportation. A bit simpler than our top pick, this model still strikes an ideal balance between innovation and practicality.
- Sizing: 1,500-Watts, for up to 55 square feet
- Efficiency: 12.5 amp draw on high
- Control Features: Two heat settings, plus a fan-only mode
- Safety Features: Tip-over safety, overheat shut-off, frost prevention
- Ease-of-Use Features: 6-foot power cord, carrying handle, and kickstand
Why We Picked It: Notable for its portability and value, the DeLonghi Capsule Ceramic Heater offers personalized comfort with an adjustable thermostat and dual heat settings. This portable heater combines simple controls and safety features like thermal shut-off and tip-over protection, making it a great choice for heating small to medium-sized spaces.
The DeLonghi Capsule Ceramic Heater’s practicality and style make it a favorite, particularly for folks looking for a cost-effective, localized heating solution.
Best Space Heater for Small Rooms
King Electric Portable Ceramic Heater PH-2
The small nooks and crannies in our homes are sometimes the hardest to heat properly. Especially when your centralized heating system doesn’t cover them, causing cold spots, or your space heater is incorrectly sized and the space gets too hot.
The King Electric Portable Ceramic Heater PH-2 is a great choice to avoid those issues, offering efficient heating with a compact design. It heats small spaces efficiently and offers the convenience and energy-saving features needed for tight areas in your home or office.
- Sizing: 5,120 BTUs, for up to 100 square feet
- Efficiency: 12.5 amp draw on high
- Control Features: Two heat settings, plus a fan-only mode
- Safety Features: Tip-over shut-off, ceramic heating elements, cETLus certification
- Ease-of-Use Features: 6-foot power cord, comfort grip handle, lighted power indicator
Why We Picked It: We selected the King Electric Portable Ceramic Heater PH-2 as the Best Space Heater for Small Spaces due to its blend of performance and portability.
Often, finding the best portable heater involves balancing size and output, and this model excels in providing powerful heating while remaining unobtrusive. For those prioritizing seamless installation and energy efficiency in small environments, the PH-2 emerges as an ideal choice among space heaters.
Best Space Heater for Large Rooms
Dr. Infrared Heater Space Heater
The Dr. Infrared Heater Space Heater is designed to keep large areas warm and comfortable, even on the coldest days.
This portable heater boasts a dual heating system combining an infrared quartz tube and PTC technology, delivering significantly more heat than standard electric space heaters. Perfectly suited for large spaces, this model combines power, safety, and user-friendly controls.
- Sizing: 5,200 BTUs of infrared heating, for up to 1,000 square feet
- Efficiency: 12.5 amp draw on high
- Control Features: Three heat settings (High, Low, and Automatic), shut-off timer, oscillation feature, adjustable thermostat up to 86 degrees F
- Safety Features: Tip-over protection, overheat protection, UL Safety Listed certification, cool touch exterior
- Ease-of-Use Features: 6-foot power cord, comfort grip handle, lighted power indicator, caster wheels, electrostatic filter
Why We Picked It: This infrared heater offers unparalleled heating efficiency in large spaces. Its quiet operation, at just 39 dB, ensures it performs exceptionally without being noisy. The added safety measures, such as tip-over and overheat protection, make it a reliable choice for households in need of powerful yet secure heating solutions. It’s Ideal for anyone seeking performance and peace of mind in one robust package.
Best Wall-Mounted Space Heater
King Electric EFW Large 240V Wall Heater
If you have a space in your home that consistently refuses to warm up, and always needs the space heater lugged in the second it gets cold. Then it’s probably worth thinking about a more permanent solution, like an electric wall heater.
This King Electric Wall heater outputs hot air with a 185 CFM fan, while blending into the background so you’ll hardly even know it’s there.
- Sizing: 13,640 BTUs of fan-forced heating, for up to 400 square feet
- Efficiency: Max power draw of up to 4,000 watts, 16.6 amps.
- Control Features: Controlled via a dedicated wired, single-pole thermostat.
- Safety Features: Overheat protection, CSA safety certified.
- Ease-of-Use Features: Adjustable heat output, simple grille design, durable fan design.
Why We Picked It: The King Electric EFW Wall Heater is a simple, yet powerful wall-installed heater that is capable of heating small to medium-sized rooms. We especially appreciate King Electric’s dedication to durability, with this long-lasting and American-made heater.
Most Energy Efficient Space Heater
DeLonghi Comfort Temp Full Room Radiant Heater
The DeLonghi Comfort Temp Full Room Radiant Heater stands out as one of the most energy-efficient electric space heaters available in 2025. Designed to warm areas up to 150 square feet, it combines convection and radiant heating technology with the exclusive ComforTemp setting, a feature that ensures significant energy savings while maintaining a cozy atmosphere.
- Sizing: 5,118 BTUs of radiant heating, for up to 144 square feet
- Efficiency: Up to 27 percent more efficient than traditional heater models.
- Control Features: Three heat settings (high, medium, and low) with an ECO-Mode, digital thermostat, and digital control panel
- Safety Features: Overheat protection, thermal cutoff, control lock, UL, and ETL safety listed.
- Ease-of-Use Features: 6-foot power cord, integrated cord storage, caster wheels, rust-resistant design
Why We Picked It: The DeLonghi Comfort Temp is selected as the most energy-efficient space heater due to its innovative ComforTemp technology, which provides optimal warmth with minimal energy consumption. Whether used in a small bedroom or office space, this heater combines safety features with practical usability, making it a worthy addition to any home.
Best Space Heater for Bedrooms
Qmark Portable Electric Hydronic Heater
The Qmark Portable Electric Hydronic Heater is carefully designed to fill your bedroom with a consistent, gentle warmth.
This electric hydronic baseboard design ensures uniform heat distribution, minimizing indoor allergens while keeping surface temperatures low, making it ideal for households with children and pets. The heater's quiet operation promotes a peaceful sleep environment, making it a perfect companion for bedrooms and nurseries alike.
- Sizing: 5,120 BTUs/1,500 watts of convection heating, for up to 150 square feet
- Efficiency: 12.5 amp draw on high
- Control Features: Simple, adjustable dial thermostat
- Safety Features: High temperature cutoff, tip-over shut-off, heavy-duty grilles, UL and cULus safety listed
- Ease-of-Use Features: 6-foot power cord, durable construction, gentle radiant heat.
Why We Picked It: The superior craftsmanship of the Qmark Portable Electric Hydronic Heater makes it stand out among portable space heaters for bedrooms. Quiet operation, coupled with eco-friendly mineral oil heating, makes it a top choice for those seeking an energy-efficient option.
FAQs About Space Heaters
What is the Quietest Portable Heater for a Bedroom?
When it comes to keeping your bedroom comfortable, we recommend using an oil-filled radiant heater. These heaters operate with virtually no noise, making them ideal for bedrooms and other spaces where tranquility is key. Oil-filled radiator heaters transfer heat efficiently throughout your room using oil-filled radiator fins, creating a gentle, consistent, and efficient heat.
Are Portable Heaters Safe to Run Overnight?
While many electric space heaters have safety features like thermal cut-offs and tip-over protection, leaving heaters running unattended or overnight is typically not recommended. However, some heater styles, like radiant and hydronic heaters, are specifically designed to be safer when used for long periods.
Is a Tip-Over Shut-Off Important for Safety?
Absolutely. The tip-over shut-off function is essential when selecting a safe portable heater. If a heater with this feature gets knocked over, a built-in safety mechanism shuts the device off and prevents it from heating until the device is righted.
Can I Use a Portable Heater in a Poorly Insulated Space?
Yes, many portable space heaters are actually ideal for poorly insulated/or unheated spaces, because they provide direct heat and don’t need to heat the entire room. But with some portable heaters, like convection heaters, you might see decreased efficiency due to heat loss through walls, windows, or ceilings.
Which Portable Space Heater is Right For My Home in 2025?
Choosing a portable space heater that fits your home means a device tailored to your needs, with the output, efficiency, and features to get the job done right. Whether you're in search of an all-around great heater for any size space or a device that’s specifically for small rooms, the models on this list are sure to deliver warmth and comfort.
Still need help deciding on a portable heater for your home? Contact Sylvane’s product experts for more advice and personalized recommendations by calling 1-800-934-9194 or emailing [email protected].
