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ELEGOO Smart Mini Heater for Resin 3D Printer, Intelligent Temperature Control, PTC Heating, Odor Filtering, 3D Printer Heater for Saturn 4 Ultra, Mars 5 Ultra and Most MSLA/DLP/LCD 3D Printers
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AI Verdict
This 120W PTC heater with a 10,000 rpm fan automatically maintains a 25°C resin printer enclosure, ideal for cold-environment printing.
This heater is a strong fit for maintaining a 25°C environment in cold conditions, leveraging its 120W PTC heating and automatic control. However, its fixed temperature and potential for print artifacts make it less ideal for users needing higher or more stable temperatures.
If you need finer temperature control or a higher target temperature, look for heaters with adjustable thermostats and external temperature probe options.
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Pros
- Achieves 25°C chamber temperature rapidly using 120W PTC heating technology.
- Automatically maintains a 25°C ambient temperature, engaging below 25°C and stopping at 25°C.
- Includes a 10,000 rpm high-speed fan for uniform heat distribution within the enclosure.
- Features a digital display for real-time temperature monitoring.
- Compatible with many ELEGOO Mars and Saturn series printers, and adaptable to other brands.
- Users report resin becomes more fluid, aiding cleaning and drip-off from models.
Cons
- Fixed target temperature of 25°C is not adjustable, which is below the 28-30°C optimal range for some resins.
- Some users report banding or layer lines in prints, potentially due to the heater cycling on/off.
- Lacks an integrated power switch, requiring external solutions for power control.
- The 10,000 rpm fan can generate noticeable noise during operation.
- The built-in carbon filter is considered too small by some users to effectively reduce resin odors.
Dimension Scores
It consistently hits its 25°C target temperature, but some users report banding issues that suggest temperature stability isn't perfect during printing.
Automatic temperature control and a digital display are straightforward, and installation is easy for compatible Elegoo printers.
Compatible with many Elegoo printers and adaptable to others, but the fixed 25°C temperature limits its use for resins requiring higher temperatures.
No specific information on long-term durability is available, but the PTC element prevents overheating, which should contribute to its lifespan.
Best For
- Resin 3D printing in unheated spaces like garages or basements where ambient temperatures drop below 25°C.
- Users seeking an automatic solution to maintain a consistent 25°C print environment without manual adjustments.
- Owners of ELEGOO Mars and Saturn series printers looking for a direct-fit heating accessory.
- Improving resin flow and reducing print failures caused by low temperatures.
Not Recommended For
- Users who require precise temperature control above 25°C for specific resin types.
- Environments where low operating noise is a critical factor.
- Those expecting comprehensive resin odor elimination from the built-in filter.
Watch Out For
- The heater's fixed 25°C target temperature may be too low for optimal performance with resins that prefer 28-30°C.
- Users have reported banding artifacts in prints, possibly linked to the heater's on/off cycling during operation.
- Installation on older Saturn 3 models might require a 3D printed riser to manage the power cord due to the non-tilting lid.
- The device requires a direct power cord connection, as its 120W power draw is too high for a USB port.
- Without an external smart plug or switch, the heater cannot be easily turned off without unplugging it.
Full Specifications
| ASIN | B0DB59FP47 |
| Item Weight | 2.35 pounds |
| Manufacturer | ELEGOO |
| Package Dimensions | 9.21 x 7.76 x 3.43 inches |
What Buyers Say
Many users find this heater effective at bringing their resin printer enclosures up to 25°C, especially for printing in colder environments, and appreciate the automatic temperature control. However, a recurring concern is the appearance of banding or layer lines in prints, which some attribute to the heater's cycling. The fixed 25°C temperature and the fan's noise are also frequently mentioned.
“Man, this thing keeps my garage printer from freezing up, but I swear some of my prints look a little off now, like weird lines I didn't have before. Wish I could crank it up a few degrees too.”
Common Praise
- Maintains a consistent 25°C chamber temperature.
- Enables successful resin printing in cold garage conditions.
- Resin becomes more fluid, leading to easier model cleaning.
- Automatic heating function simplifies operation.
- Easy to install on compatible Elegoo printers.
Common Complaints
- Causes banding or layer lines in printed models.
- Fixed 25°C temperature is not adjustable for resins needing higher warmth.
- The 10,000 rpm fan produces noticeable noise.
- Lacks a physical power switch, making it inconvenient to turn off.
- The integrated carbon filter is too small to effectively remove odors.
Ownership Tips
- The heater cycles on and off, which can lead to slight temperature fluctuations during a print.
- You might need a smart plug to easily control power, as there's no built-in switch.
- The fan is definitely audible, so don't expect silent operation.
- The odor filtering might not be enough for sensitive users or strong resins.
- Pre-heating the enclosure for an hour before printing is a common practice to ensure resin is warm.
Frequently Asked Questions
What temperature does this heater maintain?
It automatically heats the printer chamber to 25°C, engaging when the temperature drops below this and stopping when it reaches 25°C.
Can I change the target temperature?
No, the heater's target temperature is fixed at approximately 25-26°C and cannot be adjusted by the user.
Does it help with resin odors?
It includes a built-in air filtration module with activated carbon designed to reduce resin odors. However, some users find the filter too small to be effective.
Is it loud?
The 10,000 rpm high-speed fan can be quite loud during operation.
Do I need to keep it on during the entire print?
Yes, it's designed to cycle on and off to maintain the enclosure temperature throughout the print, which helps keep the resin warm.
Is it compatible with my non-Elegoo printer?
It's compatible with most ELEGOO Mars and Saturn series printers, and can be adapted for other brands by modifying their printer hoods.
Buying Guide
When you're resin 3D printing, especially in a chilly room, the resin's temperature is a big deal. Too cold, and your prints will fail, warp, or have layer adhesion problems. A heater like this tries to keep your printer's environment consistently warm, which helps the resin flow better and cure more predictably.
PTC Heating (120W)
This means it uses a specific type of heating element that's efficient and self-regulating. The 120W tells you it's got enough power to warm up an enclosure quickly, like a small space heater for your printer.
Intelligent Temperature Control (25°C)
This isn't just a simple on/off switch. It actively monitors the temperature and kicks in only when it drops below 25°C, then turns off when it hits that mark. Think of it like your home thermostat, but fixed at one temperature.
10,000 rpm High-Speed Fan
This fan isn't just for cooling; it's crucial for spreading the heat evenly inside your printer's enclosure. Without it, you'd have hot spots and cold spots, which is bad for consistent prints.
Alternatives
If you need to precisely control your resin temperature to specific degrees (e.g., 28°C or 30°C) or require a completely silent operation, look for heaters with adjustable temperature settings and quieter fan designs.



