SONBION Radiant Space Heater – Infrared Heater for Indoor Use, 500W/250W
At a Glance
KEY FEATURES
- Radiant infrared quartz/halogen (no fan)
- 2 heat modes: 250W / 500W (two independent switches)
- Fast heat: ~2 seconds (directional warmth)
- Silent: no blower noise; less dust stirring
- Safety: tip-over + overheat protection
- Portable: 3.5 lb, built-in handle, foldable base
- Best for: desk/office, bathroom, garage (indoor)
PROS
- Silent operation (no fan noise)
- Low-watt, energy-saving heat (250W/500W options)
- Fast, "sun-like" radiant warmth for spot heating
- Two elements (top/bottom/both) for flexible use
- Safety shutoffs (tip-over/overheat); easy to move/store
CONS
- Directional heat - best up close, not ideal for whole-room heating
- Stand/base can feel unstable; may tip if bumped
- Controls low/on-bottom; can be confusing or easy to bump on
- No remote / no oscillation
- Some reports of durability issues (early failure/rusting) & tricky cleaning
Editor's Choice
Based on rigorous testing & Amazon customer feedback
🔥 Will This Heater Work For Your Room?
Answer a few quick questions about your space to see if this heater is a good match.
Product Overview
The SONBION radiant space heater delivers silent, targeted warmth through infrared technology. Unlike fan heaters that blow hot air, this model uses quartz heating elements to create sun-like radiant heat that warms you directly. Perfect for under-desk use, home offices, small bathrooms, and personal heating zones where quiet operation matters most.
Who Is This For?
This heater is ideal for anyone looking for a quiet, energy-efficient personal heating solution. It’s great for people who work from home, need silent warmth during calls or meetings, or want a cozy spot without heating the entire house. However, if you need to heat large open spaces or expect whole-room air warming, this directional radiant style may not meet your needs.

Key Benefits
- Completely silent operation: No fan noise at all – perfect for calls, sleeping, and quiet work environments
- Fast, sun-like warmth: Infrared heat you can feel within seconds when in front of the unit
- Energy-efficient: 250W or 500W modes use significantly less power than standard 1500W heaters
- Flexible control: Two independent switches let you run top, bottom, or both heating elements
- Portable and lightweight: Only 3.5 lbs with built-in handle and foldable base for easy storage
Performance Analysis
Based on extensive customer feedback, this heater excels in close-range personal heating and absolute silence. It delivers strong directional warmth that many describe as comfortable and relaxing – similar to sitting in sunshine. The heat is felt immediately when positioned in front of you, making it excellent for desk work, workshop benches, or post-shower comfort.
The main limitation is that it’s designed for spot heating, not room heating. The infrared waves warm objects and people directly but don’t heat the air effectively. In small enclosed spaces (under 100 sq ft), some users report the room does get warmer, but in larger or drafty areas, the warmth stays localized to the area in front of the heater.

Best Use Cases
- Under-desk heating for home offices and cubicles
- Workshop or garage bench warmth without heating the entire space
- Bedrooms where absolutely quiet operation is essential
- Small bathrooms for post-shower comfort (though results vary)
- Reading chairs or study areas with consistent seating positions
What You Should Know
How radiant heat works: This heater doesn’t warm the air – it sends infrared waves forward that warm your skin and objects directly. Think of it like standing in sunlight versus being in a warm room.
Distance matters: Most users report strong warmth within 3-6 feet directly in front of the heater. Heat effectiveness drops significantly when you move farther away or off to the side.
Safe distance: Several reviewers warn about sitting too close for extended periods. The radiant heat can feel intense on bare skin at very close range. Most recommend at least 3 feet of clearance.
Placement considerations: The foldable base adds stability, but some users note it can tip if bumped or placed on uneven surfaces. The tip-over safety switch works instantly, but it’s best placed where it won’t be knocked.

Pros & Cons Analysis
Based on extensive testing and Amazon customer feedback
Pros
- Very quiet / silent (no fan noise; great for calls, sleeping, court, office)
- Energy-efficient / low wattage options (often cited: 250W per tube, 500W total; several said it helped keep bills down vs. fan heaters)
- Heats fast for spot-warming (legs/feet under desk, bathroom "post-shower chill," workbench/garage comfort without heating whole area)
- Two independently controlled heating elements (top/bottom/both; helpful to target feet vs. upper body and manage power use)
- Safety features appreciated (tip-over shutoff works instantly; overheat shutoff noted; some liked the exterior being cool to touch/handle area)
- Portable & easy to move/store (lightweight; carry handle; fold-out support; some use it in different rooms/conference rooms)
- Simple "no-frills" design (people liked no blower, no motor, minimalist operation)
- Comfortable radiant "sun-like" warmth (several compared it to sunshine/sauna/fireplace warmth; less "stuffy" than blown hot air)
- Some reported works well in small rooms (e.g., small bathroom, small bedroom/office) and even helped with cold floors
- Some praised good value/build quality and said it arrived well-packed and ready to use
Cons
- Not a true "room heater" for many people: lots of reviews stress it mainly warms objects/people in front of it, not the air - so bedrooms/sunrooms/bigger spaces may stay cold
- Heat is directional & close-range: many said you must sit within a few feet and directly in front to feel strong warmth; some returned it for weak heat at 4+ feet
- Burn risk if too close: multiple warnings that it can heat skin fast and can leave "burn marks" if you sit too near for too long (especially for pets)
- Stand/kickstand stability complaints: several said it feels tippy, the base is narrow, stand could be sturdier/lock, and it may fall if bumped or on uneven surfaces
- Controls are inconvenient/confusing: buttons/switches are low on the unit, rocker switches feel "backwards" to some (ON = down), not intuitive, and easy to bump
- Accidental activation risk: at least one reviewer said it "suddenly" turned on because switches are easy to press - especially if moved or touched by pets (strong warning to unplug when not using)
- Missing features some expect: repeated mentions of no remote and no oscillation (dealbreaker for a few)
- Clearance/placement constraints: some noted needing open space in front (one cited instructions suggesting ~3 ft) and struggled in cramped rooms
- Cleaning can be difficult: one review complained liquid got inside and the reflective surface wasn't cleanable without major disassembly (many screws)
- Durability issues in a minority of reviews: reports of units dying after a few uses, failing before a year, and one report of reflector rusting after seasonal storage (and poor support experience)
Our Verdict
The SONBION radiant space heater is a strong choice for targeted personal heating where silence and energy efficiency matter most. It delivers on its core promise: quiet, sun-like warmth that you feel quickly when positioned correctly. The two independent heating elements and low wattage options make it practical for all-day desk use or supplemental comfort without running full-power heaters.
While it won't replace a room heater for whole-space warming, that's not what radiant heat is designed to do. For people who understand this and want personal warmth - especially in offices, workshops, or bedside use - it's a practical and comfortable solution.
Best for: Personal heating zones, silent operation needs, desk/workbench use, and energy-conscious spot heating.
Skip if: You need to heat large open rooms, want air circulation, or expect the entire space to feel warmer.
Frequently Asked Questions
Is the SONBION radiant heater meant to heat a whole room?
Not really. This style of infrared radiant heater works best for spot heating, meaning it warms you and objects in front of it more than it warms the air. In small bathrooms or a compact office it can feel comfortable, but for bigger or drafty rooms most people say it will not replace a full space heater.
How quickly does it feel warm?
It feels warm fast because the quartz tubes heat up quickly. Many users say they feel the warmth within seconds when they sit in front of it, similar to standing in sunlight.
What heat settings does it have?
It uses two heating tubes with two separate switches. You can run one tube (lower power) or both tubes (higher power). Some people also like choosing the top tube or the bottom tube depending on whether they want warmth on their legs/feet or higher up.
Is it quiet enough for sleep, Zoom calls, or a shared office?
Yes. Reviews repeatedly mention that it is silent because it does not use a fan. That makes it a popular choice for working on calls, sleeping, or quiet spaces like offices and courtrooms.
How close do you need to be to feel the heat?
You generally need to be fairly close and in front of it. Many customers say the heat is strongest within a few feet, and it fades a lot when you move off to the side or farther away. Think of it as a personal heater rather than a room heater.
Can it overheat or shut off by itself?
It includes overheat protection and tip-over shutoff. Multiple reviewers tested the safety by tilting or lifting it and said it shut off right away, which is reassuring for everyday use.
Is it stable? Will it tip easily?
Mixed feedback. The fold-out stand helps, but several users say the base feels narrow and it can tip if bumped or placed on uneven surfaces. For best safety, place it on a flat, solid surface and avoid high-traffic areas.
Does it come with a remote or oscillation?
No. A few customers returned it specifically because there is no remote, and it does not oscillate. It is designed to be pointed at one spot.
Are the controls easy to use?
Once you get used to it, yes, but there are complaints. The switches are low on the unit and some people find them awkward to reach. Others mention the rocker switches feel reversed compared to what they expect, so it can take a day or two to build muscle memory.
Is it safe around kids or pets?
Use extra caution. Radiant heaters can heat skin quickly if you sit too close, and a few reviewers warned about getting too close for too long. Also, some people said the switches can be bumped easily, so if you have curious pets or kids, consider unplugging it when not actively using it and keep clear space in front.
What are the best real-world uses based on customer reviews?
Most happy buyers use it as a personal heater: under a desk for legs and feet, near a chair for reading, in a small bathroom for post-shower comfort, or at a workbench in a garage where they want warmth without heating the whole space.
Any common durability or maintenance issues mentioned?
Most reviews are positive, but a small group reported early failures after a few months, and one person mentioned the reflector rusting after storage. Another complaint was that if something spills inside, the reflective surface is hard to clean without taking the unit apart.
Technical Specifications
| Brand | SONBION |
|---|---|
| Model / SKU | LSG13 (ASIN: B0D8NS7K1B) |
| Heater type | Portable indoor electric radiant space heater |
| Form factor | Pedestal |
| Heating method | Radiant (infrared) |
| Heating element | Halogen / quartz radiant tubes |
| Max heat output | 500 W |
| Voltage | Not specified |
| Amperage | Not specified |
| Coverage (manufacturer claim) | Not specified (best for spot heating) |
| Temperature range | Not specified |
| Speeds / levels | 2 heat levels: 250W / 500W (two independent switches) |
| Noise level | Silent (no fan) (review-based) |
| Oscillation | No |
| Controls | On-unit rocker switches (top/bottom element control) |
| Timer | No built-in timer |
| Power source | Corded electric (AC) |
| Mounting / placement | Tabletop / floor (free-standing with foldable base) |
| Dimensions (D × W × H) | 4.8" × 11.61" × 14.8" |
| Weight | 3.5 lb |
| Color | Black / LSG13 Infrared Heater |
| Special features | Tip-over protection, Overheat protection, Foldable stand, Built-in handle, Energy-efficient |
| Safety certification | ETL Listed, CE, ROHS |
| Included in the box | Infrared heater, User manual, Package box |
| Warranty | Not specified |
| Recommended room types / uses | Desk area, garage/workbench, home office, bathroom, study (indoor use) |