Comparison: Best Surge Protector For Space Heater (Updated | Dec 16th)
Winter’s chill has you reaching for that trusty space heater, but are you playing it safe with power protection? The right surge protector isn’t just a luxury—it’s your first line of defense against electrical disasters that can turn cozy warmth into a homeowner’s nightmare. We’ve tested the top contenders to find which ones truly stand up to the unique demands of high-wattage heaters. From joule ratings to response times, we’ll help you make the smart choice that keeps both you and your home secure while staying toasty warm all season long.
Editor’s Choice
Best for a specific purpose
- Best for smart heat protection: BXST Plug-in Surge Protector 3 Outlet Power Strip with Heat Dissipation Vents Over/Under Voltage Protection Wall Mount Multi-Function Socket Surge Suppressor for Refrigerator
- Best for compact wall solution: Philips 6-Outlet Extender Surge Protector
- Best for heavy-duty protection: DITEK DTK-120/240CM+ Surge ARRESTOR
- Best for voltage guardian: Voltage Protector 120V 12A 1440W
- Best for space-saving extender: Philips 6-Outlet Extender Surge Protector
- Best for heater with protection: Minetom Portable Plug In Space Heater
- Best for high joule defense: Clamper 3-Outlet Surge Protector 1800 Joules
- Best for multi-device tower: Amazon Basics Rectangular Power Strip Tower Surge Protector 1080J
- Best for heater remote control: XINJISHIMIN Replacement Remote Control for Heat Surge Space Heater ADL-2000M-X
- Best for extended reach protection: 20FT Extension Cord with Multiple Outlets – Surge Protector Power Strip
Product Comparison: Best Surge Protector For Space Heater
Smart Heat Protection
BXST Plug-in Surge Protector 3 Outlet Power Strip with Heat Dissipation Vents Over/Under Voltage Protection Wall Mount Multi-Function Socket Surge Suppressor for Refrigerator,TV, PC 120V 1800W 140J
BXST
- 6-Layer Intelligent Protection：Integrated overvoltage (130VAC), undervoltage (90VAC),surge protector(140J), 3M delay startup, phosphor bronze conductors & flame-retardant housing, safeguarding refrigerators, ovens, PCs, and other high-value appliances.
- 3-Color LED Status Alerts：Green (Output Normal): Safe operation | Yellow (Delay Mode): 3M protection activation | Red (Fault Detected): Auto-shutdown for over/under voltage, ideal for humid kitchens.
- Extended US standard socket：1-to-3-port American jack design, suitable for scenes such as kitchen (oven/microwave oven), study (computer/printer), bedroom (humidifier/desk lamp); conforms to the 120V/60Hz US household voltage standard, and comes with Spanish instructions (PROTECTOR DE VOLTAJE) to meet the needs of multilingual users.
- Space-Saving & Heat Control：Ultra-slim 11.5×7.9×3.1cm design with 3 outlets and honeycomb cooling base, handles 15A loads without overheating, fits tight countertops/wall spaces.
- High-grade flame-retardant material：The outer shell is made of UL94 V-0 grade flame retardant material, which is resistant to high temperature and combustion; the internal conductive parts are high-conductivity phosphor bronze sheets, which have strong conductivity and wear resistance, support 15A high current load, and stably drive high-power electrical appliances such as coffee machines and vacuum cleaners.
Compact Wall Solution
Philips 6-Outlet Extender Surge Protector, 2 Pack, Wall Tap, 900 Joules, 3-Prong, Space Saving Design, Protection Indicator LED Light, ETL Listed, White, SPP3466WA/37
Philips
- Power More – Turn 2 grounded AC outlets into 6 and power all of your home or office electronics with this bright white surge protector
- Charging Station – Create a charging hub for your portable devices by plugging chargers into these 3-prong outlets to keep your cell phone, tablet, Bluetooth speakers, Nintendo Switch, smartwatch or Fitbit fully powered.
- Space Saving – Surge protection can be sleek with this slim outlet adapter’s compact design.
- Protection – Keep cell phones, tablets, lamps and computers safe from circuit overload with a surge protection rating of 900 Joules and an LED protected indicator light.
- High Quality – This wall tap is ETL Listed and has an electrical rating of 125V AC/15A/1875W.
Heavy-Duty Protection
DITEK DTK-120/240CM+ Surge ARRESTOR, Parallel Protector, Multi-Purpose, NEMA 4X, UL1449 Listed, SPD, Type 1, 2W(+G), 120/240VAC
Ditek
- DITEK DTK-120/240CM+ Surge ARRESTOR, Parallel Protector, Multi-Purpose, NEMA 4X, UL1449 Listed, SPD, Type 1, 2W(+G), 120/240VAC
Voltage Guardian
Voltage Protector 120V 12A 1440W, 3 Outlets Surge Protector for Refrigerator, Water Heater and Home Appliance ect
HVAC YELLOW HAT
- Automatic Power Off Protection： Over/Under voltage protector, when the voltage exceeds the limit, it will automatically cut off the power to prevent the electrical appliances from being damaged for too low or too high voltage
- Lightning Protection: Instantaneous voltage exceeds the limit, and the product will protect the electrical appliance against excessive voltage damage automatically and quickly
- Delay Indicator: If the device encounters (electric power) voltage fluctuations, it will protect the appliance by providing the output until the voltage stabilizes. The “ON DELAY” indicator would be turned on to inform its user. The appliance would be delayed for 3mins to confirm that the voltage is stable so that it could be re-established
- Versatile Compatibility: The voltage (surge) protector is compatible with different appliances, for instance, air conditioners, TV, laptop, microwave, iron, washing machine, refrigerator, etc
- Flame retardant material: reach the level test experimental standards of UL94-5VA
Space-Saving Extender
Philips 6-Outlet Extender Surge Protector, 900 Joules, 3-Prong, Space Saving Design, Protection Indicator LED Light, 1 Pack, Grey, SPP3461GR/37
Philips
- Power More – Turn 2 grounded AC outlets into 6 and power all of your home or office electronics with this gray wall tap
- Charging Station – Create a charging hub for your portable devices by plugging chargers into these 3-prong outlets to keep your cell phone tablet Bluetooth speakers Nintendo Switch smartwatch or Fitbit fully powered
- Space-Saving – Surge protection can be sleek with this slim outlet adapter’s compact design
- Protection – Keep cell phones tablets lamps and computers safe from circuit overload with a surge protection rating of 900 Joules and an LED protected indicator light
- High Quality – This wall tap is ETL Listed and has an electrical rating of 125V AC/15A/1875W
Heater with Protection
Minetom Portable Plug In Space Heater, 800W Small Wall Heater for Indoor Use, Remote, 12H Timer, ECO Mode, Overheat Protection, Fast and Safe Heat for Bathroom Office Bedroom Home
Minetom
- 𝟐𝐬 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 & 𝐒𝐢𝐥𝐞𝐧𝐭 𝐏𝐓𝐂 𝐇𝐞𝐚𝐭𝐢𝐧𝐠: Powered by upgraded PTC Technology, Minetom space heater could heat up efficiently in 2s around 125sq.ft. With the design of the upgraded fan, the plug in heater for indoor use delivers silent warmth(under 40 dB), which ensures a better sleep and working environment.
- 𝐏𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧 𝐓𝐞𝐦𝐩 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 & 𝐑𝐞𝐦𝐨𝐭𝐞: Operate your portable mini heater with ease indoor to set your ideal temperature (60°F–90°F) with ±1°F accuracy by touching or remote control. Experience rapid warmth in just 2 seconds with adjustable heating modes (400W, 800W, ECO, Fan).
- 𝐌𝐮𝐥𝐭𝐢 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐒𝐚𝐟𝐞𝐭𝐲: ETL certified space heater for indoor use is invented from several flame retardant tests and overheat protection tests, which seriously meets strict US safety standards. Safe for homes with kids or pets, ideal for bedrooms, bathrooms, offices, dormitories, garage, etc.
- 𝟏𝟖𝟎° 𝐑𝐨𝐭𝐚𝐭𝐢𝐧𝐠 𝐏𝐥𝐮𝐠: Deploy the small space heater indoors just with the 180° Rotating flexible wall plug, you will find it’s easy to plug this handy heater into different standards’ wall outlet. And save more space of small room, such as bedroom, office, bathroom, dormitories, garage, etc.
- 𝟒𝟎% 𝐄𝐧𝐞𝐫𝐠𝐲 𝐒𝐚𝐯𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐄𝐂𝐎 𝐌𝐨𝐝𝐞: Engineered with a smart ECO mode, the mini heater ensures optimal efficiency by automatically modulating power(400-800W) to your environment, achieving up to 40% energy savings without sacrificing comfort. A seamlessly integrated bottom night light provides both practical and charming illumination.
- 𝐘𝐨𝐮𝐫 𝐖𝐚𝐫𝐦𝐭𝐡, 𝐎𝐮𝐫 𝐏𝐥𝐞𝐝𝐠𝐞: 24/7 Heater Support for Total Peace of Mind. Please feel free to find our expert online support! We appreciate your support and will keep improving our products and value. Now is the perfect time to invest in quality small heater that last!
High Joule Defense
Clamper 3-Outlet Surge Protector 1800 Joules, 1875W, for TV, PC, Xbox, PS5, Refrigerators and Other Appliances (Compact Wall Surge Protector), iCLAMPER Power 3, 2-Pack Black
CLAMPER
- PROTECT YOUR PEACE OF MIND – This surge protector ETL Listed and has 1800 joules that can protect your appliances even during a storm. It also will protect them from sudden electrical surges and lightning with our smart mini surge protector . This will also extend the life of your electronic devices.
- THREE OUTLETS – Our surge protector doubles as an outlet extender, providing three additional outlets for your convenience. Perfect for creating a multi-plug outlet setup, this device is suitable for a variety of applications in bedrooms, living rooms, home offices, and beyond.
- NOISE FILTRATION – The EMI/RFI filters reduce electrical interference by up to 40dB, providing clean, stable power to protect and optimize the performance of your sensitive devices.
- ROBUST PROTECTION – Robust surge protection of 1800 joules ensures a high level of defense against unforeseen power surges, lightning strikes, and voltage fluctuations, securing your valuable electronics.
- GREAT POWER CAPACITY – With a maximum power capacity of 1875W, this surge protector is versatile and can accommodate a range of household electronics. It’s ideal for TVs, PCs, Xbox, PS5, refrigerators, and other appliances.
- SPACE-SAVING DEVICE – Compact and efficient, our surge protector won’t monopolize space on your power strip. Its space-saving design makes it suitable for tight spaces, and it can be wall-mounted for added convenience.
- LED INDICATOR – The built-in LED indicator provides a visual cue of the surge protector’s operational status, allowing you to easily identify whether your devices are actively protected.
- ETL and UL LISTED – Rest easy knowing our surge protector complies with industry safety standards. ETL and UL listings ensure that this device meets rigorous safety and performance requirements.
Multi-Device Tower
Amazon Basics Rectangular Power Strip Tower Surge Protector 1080J, 9 Outlet with Integrated USB Charging Ports (2 USB-A and 1 USB-C), 15A, 6ft Cord, Black
Amazon Basics
- Power strip tower for charging up to 12 devices simultaneously
- Includes a black power strip tower with 9 AC outlets, 2 USB-A ports (5V/2.4A), and 1 USB-C (5V/3A) port
- Safe charging with 1080J surge protection, over-heat/voltage/current protection, and ground/short circuit protection with auto shut off; ETL certified
- Durable fire-resistant PC shell with easy on/off power buttons
- Heavy duty 6-foot 15A 14AWG UL certified power cord, space-saving 45-degree right angle AC plug
- Stable, compact design with small footprint and anti-slip rubber feet for secure placement
- Suitable for placing on the floor or up on a desk or table, away from kids and pets
- Product dimensions: 4.92 x 4.92 x 6.42 inches (LxWxH)
Heater Remote Control
XINJISHIMIN Replacement Remote Control for Heat Surge Space Heater ADL-2000M-X
XINJISHIMIN
- Replacement Remote Control for Heat Surge Space Heater ADL-2000M-X
- No programming needed!
- No_battery included (AAA 1.5V *2PCS)
Extended Reach Protection
20FT Extension Cord with Multiple Outlets – Surge Protector Power Strip, Addtam 12 Widely 3 Sides Outlet Extender, 900J, Wall Mount, Flat Extension Cord for Home Office College Dorm Room Essentials
Addtam
- 【20Ft Long Extension Cord with Multiple Outlets】- 20ft power strip is made of pure copper, which has better current carrying capacity (15A). The flexible power cord is not easy to deform, durable and more safety. This extension cord is UL approved with right angle plug is perfect for the hard-to-reach outlets behind your bed or sofa.
- 【3 Side Design & Widely Space】- Multi sided compact power strip with widely space fits large power adapters without blocking others, Extension cord with multiple outlets turns 1 sockets into 12 outlets, which could charge up to 12 devices at the same time. It would charge your cellphone, laptop, tablet, cameras without a variety of converters, save your space and make your desktop organized
- 【Easy Mount on Wall and Desk 】- Unique screw fixation design on both end allow this white power strip securely installed in various applications (4 screws included). It is easy for mounting to walls, desks or furniture. Keep your desktop organized, a must have accessories for college dorm room, home, office, bedroom, kitchen and etc.
- 【Multi Safety Protection with ON/OFF Switch】- This power strip has surge protection (900J), overload protection, short-circuit protection, over-current protection, and so on. The on/ off switch can automatically shut off when the power exceeds rated value, to protect your expensive devices like computers, TV at home, office, college dorm, etc. ETL safety certified, with extension cord and other major components certified by UL.
- 【Suitable for Any Occasions】- With screw fixation design on both end, you can mount on a wall or fixed on the desk easily. Ultra thin flat plug is designed for tight spaces like behind furniture, bookshelves, desks or anything which is close to the wall not allowing you to use the standard outlet.
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 surge protector for a space heater?
Ensure the surge protector has a high joule rating (at least 2000 joules) to handle power spikes. Look for a built-in circuit breaker and overload protection to prevent overheating. Check for a UL or ETL certification for safety compliance.
Can I use any surge protector with a space heater?
No, not all surge protectors are designed for high-wattage appliances like space heaters. Use a surge protector specifically rated for at least 1500 watts to avoid overloading. Avoid cheap or uncertified models, as they may pose fire hazards.
How do surge protectors for space heaters differ from regular ones?
Surge protectors for space heaters are built to handle higher power loads and often include thermal protection. Regular surge protectors may lack the capacity to safely support a space heater’s energy demands. Always check the wattage rating before use.
What features are most important for safety?
Look for surge protectors with automatic shutdown, thermal cutoff, and LED indicators for power and protection status. A long cord with a right-angle plug can also reduce tripping hazards. Ensure it has a fire-resistant housing for added safety.
Are power strips a safe alternative to surge protectors for space heaters?
No, power strips lack surge protection and are not designed for high-wattage devices like space heaters. Using a power strip can lead to overheating and fire risks. Always opt for a surge protector with the appropriate wattage rating.
How do I know if a surge protector is high-quality?
Check for certifications like UL, ETL, or CSA, which indicate rigorous safety testing. A higher joule rating and a longer warranty (e.g., lifetime or connected equipment warranty) are signs of quality. Read reviews for real-world performance insights.
What is the ideal joule rating for a space heater surge protector?
Aim for a surge protector with at least 2000 joules to handle power spikes effectively. Higher joule ratings offer better protection for sensitive electronics. For space heaters, prioritize models with joule ratings above 3000 for maximum safety.
Can I plug multiple devices into the same surge protector as my space heater?
It’s best to avoid plugging other high-wattage devices into the same surge protector as your space heater. Overloading can trip the breaker or cause overheating. Use separate outlets for additional appliances to ensure safety.