10 Best Filament Dryers for TPU in 2026: Top Picks for Reliable 3D Printing

TPU absorbs moisture quickly, which can lead to stringing, bubbling, inconsistent extrusion, and weak prints. A capable filament dryer helps restore damp material and keeps it ready for more reliable printing.

We compare 10 filament dryers from Creality, SUNLU, Sovol, Comgrow, and Polymaker, focusing on temperature control, heating performance, spool compatibility, and sealed storage.

Best 10 Filament Dryer for Tpu Picks for 2026

Best All-Around TPU Dryer – Creality Space Pi SE

If you need a practical filament dryer for TPU, the Creality Space Pi SE combines adjustable heat, circulating airflow, and straightforward controls. Its 45–65°C range and 0–24-hour timer let you tailor drying to TPU and other compatible materials, while the insulated chamber helps retain warmth during printing.

Best For: Makers who want an easy-to-use dryer for one 1 kg spool and multiple filament types, including TPU.

Pros:

• Reaches up to 65°C in about 15 minutes with a PTC heater and 360° air circulation.
• Supports adjustable temperature, drying time, and real-time humidity monitoring.
• Compatible with 1.75 mm and 2.85 mm filament, including TPU, PLA, PETG, ABS, and nylon.

Cons:

• Designed primarily for one 1 kg spool.
• Its maximum temperature is lower than some engineering-filament dryers.

For most TPU users, the Space Pi SE offers a useful balance of control, compatibility, and simple operation. The insulated chamber and smooth feeding support are especially practical when drying and printing from the box.

Best High-Capacity TPU Dryer – SUNLU Filament Dryer S2

The SUNLU S2 is a strong filament dryer for TPU when you want broad temperature control and the ability to keep filament drying while it prints. Its 35–70°C range, continuous spool rotation, and roomy chamber give you flexibility for TPU and other common filaments.

Best For: Users who need a larger chamber, long timer settings, and convenient drying during printing.

Pros:

• Offers adjustable temperatures from 35–70°C and drying times from 0–99 hours.
• Built-in spindle rotates the spool for more even drying.
• Supports 1.75 mm, 2.85 mm, and 3.00 mm filament with a 265 × 274 × 118 mm capacity.
• Translucent lid allows inspection without opening the chamber.

Cons:

• Its larger footprint may require more workspace.
• The supplied notes do not specify independent temperature control for multiple spools.

The S2 is a versatile choice for TPU users who value capacity and customization. The large touch screen and spool rotation make it convenient for longer drying cycles, particularly in humid environments.

Best Multi-Spool TPU Dryer – Creality Space Pi X4

For multi-printer setups, the Creality Space Pi X4 is a filament dryer for TPU built around four-spool drying and printing. Its two independent chambers can run at different temperatures, while the 85°C maximum and dual 200W PTC heaters also support demanding materials such as PC, PA, and PAHT.

Best For: Print farms and advanced users who need to dry and feed multiple TPU or other filament spools at once.

Pros:

• Dries and prints from up to four spools simultaneously.
• Two chambers provide independent temperature control for different filament types.
• Reaches up to 85°C with dual 200W PTC heaters.
• Single-chamber mode can save up to 40% energy compared with dual-chamber operation.

Cons:

• Its four-spool design is likely excessive for occasional single-spool TPU use.
• Plastic trays from other brands should be confirmed heat resistant before use.

The Space Pi X4 is the most capable option here for throughput and material flexibility. Choose it when simultaneous drying, independent chamber settings, and multi-printer feeding matter more than compact size.

Best Sealed TPU Storage Dryer – Sovol SH01 Filament Dryer

The Sovol SH01 is a practical filament dryer for TPU when sealed storage is as important as active heating. It provides real-time temperature and humidity readings, built-in-fan circulation, and a silicone-and-PTFE seal that helps protect filament when the unit is powered off.

Best For: TPU users who want a dryer that can also store one wide spool or two narrower spools between print jobs.

Pros:

• Displays internal temperature and humidity in real time.
• Built-in fan promotes more even heating.
• Sealed design supports power-off storage and can hold up to four desiccant bags.
• Accommodates two spools under 70 mm wide or one spool under 150 mm wide.

Cons:

• Temperature settings are limited to 40°C, 45°C, and 50°C.
• Drying time is limited to 6–12 hours.
• Desiccant bags are not included, and the top PTFE seals should be opened during heating.

The SH01 stands out when you want a dryer and storage box in one. Its lower, limited temperature range is less flexible than the alternatives, but its sealed power-off mode is useful for keeping TPU protected after drying.

Best Multi-Spool Filament Dryer – SUNLU S4

For makers comparing a filament dryer for TPU alongside other materials, the SUNLU S4 is built for high-volume drying. Its four-spool capacity, heating up to 70°C, and three-fan circulation make it suited to multi-color projects or multiple printers running at once.

Best For: Multi-printer setups and users who need to dry up to four 1 kg spools simultaneously.

Pros:

• Holds four 1 kg spools and supports 1.75 mm, 2.85 mm, and 3.0 mm filament.
• Reaches up to 70°C with three fans for more even air circulation.
• Includes humidity control, software monitoring, a backup thermal switch, and a 350W PTC heater.

Cons:

• Its large capacity and 10.56-pound weight require more dedicated space.
• May be more dryer than needed for occasional single-spool use.

The S4 stands out when throughput matters. It is a strong choice for TPU and other common FDM materials when you want several spools drying or feeding printers concurrently.

Best Compact TPU Filament Dryer – SUNLU S1 Plus

The SUNLU S1 Plus is a practical filament dryer for TPU when you want a compact box that can dry while printing. It offers adjustable temperature and time controls, a fan-assisted design, and compatibility with common 3D printer filament sizes.

Best For: Single-spool users who want visible temperature, time, and humidity readings in a compact dryer.

Pros:

• Adjustable temperature range of 35°C to 55°C and customizable drying time.
• Fan design helps discharge moisture during drying.
• Supports 1.75 mm, 2.85 mm, and 3.0 mm PLA, PETG, ABS, TPU, Nylon, and PA filament.
• Two-inch LCD displays temperature, time, and humidity.

Cons:

• The 35°C–55°C range is lower than some dryers that reach 70°C.
• Its listed capacity is limited to one spool measuring up to 210 × 89 mm.

Choose the S1 Plus if you prefer straightforward controls and a live readout over large capacity. It is well suited to routine TPU drying and printing from the box.

Best Two-Spool TPU Dryer – Comgrow SH02

The Comgrow SH02 is a filament dryer for TPU that combines two-spool capacity with quick, selectable drying programs. Its 40°C–70°C range, 150W PTC heater, and sealed design make it a versatile option for drying while supplying one or two printers.

Best For: Users who want two-spool drying, preset material settings, and a sealed storage box.

Pros:

• Holds two 1 kg spools and includes two filament outlet holes for PTFE tubes.
• Reaches 50°C within 7 minutes and up to 70°C within 25 minutes, according to the supplied notes.
• One-key settings cover nine filament types, including TPU, with drying times up to 98 hours.
• Sealing rings help protect filament from moisture, while safety protection monitors overheating and fan operation.

Cons:

• Its two-spool capacity is smaller than a four-spool dryer.
• Preset temperatures may still require adjustment for specific filament and environmental conditions.

The SH02 is a balanced choice for users who need more capacity than a single-spool box without moving to a large four-spool unit. Its presets and sealed construction simplify TPU drying and storage.

Best Integrated Storage – Polymaker PolyDryer

For users seeking a filament dryer for TPU that also supports storage between prints, the Polymaker PolyDryer combines heated drying, sealed storage, and direct feeding in one modular setup. It supports TPU along with several other common filament types and diameters.

Best For: Makers who want to dry, store, and print from the same moisture-control system.

Pros:

• Supports TPU, PA Nylon, PLA, PETG, ABS, ASA, and PVB.
• Works with 1.75mm, 2.85mm, and 3.00mm filament.
• Combines heated drying, sealed storage, desiccant support, and direct feeding.
• Built-in hygrometer helps monitor storage conditions.

Cons:

• Designed around one 1kg spool.
• The supplied notes do not specify a temperature range.

The PolyDryer is especially appealing when ongoing moisture protection matters as much as the initial drying cycle. Its storage-box design helps reduce exposure after drying, while the broad diameter compatibility makes it flexible for mixed-material setups.

Best for Two Spools – Creality Space Pi Plus

If you need a filament dryer for TPU with higher capacity and more adjustable controls, the Creality Space Pi Filament Dryer Plus can handle two 1kg spools at once. Its dual PTC heating system, touchscreen, and preset material profiles make it suited to multi-material workflows.

Best For: Users drying two spools simultaneously or running multiple printers from one dryer.

Pros:

• Holds two 1kg rolls and includes four filament holes with two PTFE pipes.
• Uses double 360-degree PTC hot-air heating for more uniform circulation.
• Supports TPU and numerous other materials, including PA, PC, ASA, and carbon-fiber blends.
• Offers one-key settings for up to 12 filament types and adjustable temperatures from 45°C to 70°C.

Cons:

• Larger and heavier than a single-spool dryer at 1.9kg.
• The supplied notes do not specify a humidity display or long-term sealed-storage feature.

The Space Pi Plus stands out for capacity and control. Its two-spool layout and higher 160W PTC heating system are useful for TPU users who want to prepare more filament at once, while the 4-inch touchscreen simplifies setup.

Best Budget-Style Dry Storage – Comgrow SH01 Filament Dryer Box

The Comgrow SH01 is a practical filament dryer for TPU users who also want a roomy enclosure for keeping spools dry during printing. It holds two 1kg rolls, provides adjustable heating from 40°C to 50°C, and includes temperature and humidity monitoring.

Best For: Beginners and occasional users who need two-spool storage with basic drying controls.

Pros:

• Fits two 1kg spools in its large internal storage area.
• Provides temperature and humidity monitoring through a 2-inch LCD.
• Includes adjustable 40°C–50°C temperature settings and 6–12 hour drying times.
• Sealed cover, silicone outlet, and Teflon tube help support dry feeding during printing.

Cons:

• Its maximum temperature is 50°C, lower than the Creality model in this roundup.
• The supplied compatibility notes specifically mention PLA, ABS, and standard 1.75mm/2.85mm filament but do not explicitly list TPU.
• The drying outlet must be opened during operation and closed afterward for storage.

The SH01 offers useful monitoring and storage capacity at modest temperature settings. Because TPU is not explicitly listed in the supplied compatibility notes, buyers should verify that its temperature range suits their particular TPU before purchasing.

How We Picked the Best Filament Dryer for Tpu

We focused on dryers that can operate within TPU-friendly temperature ranges and provide consistent, controlled heating rather than relying only on maximum temperature claims. We also considered spool capacity, chamber design, drying-time practicality, controls, noise, and whether filament can feed directly from the box while printing.

Models with adjustable temperature settings are especially useful because TPU formulations vary. Dual-spool units can improve workflow for frequent printing, while compact single-spool dryers may be easier to position beside a desktop printer. Sealed storage and humidity-resistant construction were also important for keeping TPU dry after treatment.

Quick Comparison

What to Compare	Why It Matters for TPU
Temperature range	Supports controlled drying without unnecessarily overheating flexible filament.
Spool capacity	Determines whether you can dry one spool or several at once.
Heating system	PTC heating can provide efficient, regulated warmth for routine drying.
Sealed storage	Helps prevent TPU from reabsorbing moisture between prints.
Print-through design	Lets you feed filament directly from the dryer to the printer.

Key Buying Factors for a Filament Dryer for Tpu

Temperature Control

Choose a unit with adjustable settings and a reliable sensor. TPU generally benefits from moderate, controlled drying, but the ideal setting depends on the brand, hardness, and manufacturer instructions. Avoid selecting solely on the highest advertised temperature.

Capacity and Spool Fit

Check the internal width and supported spool size before buying. A dryer designed for standard 1 kg spools may not accommodate oversized reels. Two-spool models are useful for production work, but a single-spool model may heat more evenly and use less space.

Drying and Storage Workflow

If you print TPU regularly, look for a box that supports feeding filament while closed. This reduces exposure to humid air. A clear lid, readable display, and simple controls also make it easier to monitor a long drying cycle.

Noise, Power, and Safety

PTC heaters are commonly chosen for efficient operation and regulated output. Consider wattage, fan noise, automatic shutoff features, and the available room around the dryer for ventilation. Always follow the manufacturer’s temperature and safety guidance.

Who Should Buy Which Filament Dryer for Tpu?

• Occasional TPU users: Choose a compact single-spool dryer with straightforward temperature control and sealed storage.
• Frequent TPU printers: A higher-capacity or dual-chamber model can reduce waiting between jobs and support multiple materials.
• Multi-material households: Look for broad temperature adjustment and spool compatibility for TPU, PETG, ABS, PLA, and nylon.
• Users who print directly from the dryer: Prioritize a sealed enclosure with a low-friction spool path and a dedicated filament outlet.
• Large or production-oriented setups: Consider models with two-spool capacity, stronger heating, and clear controls, provided the chamber fits your reels.

The best Filament Dryer for Tpu is the one that matches your spool size, drying routine, and printer setup. For most users, dependable temperature control and moisture-resistant storage matter more than the highest maximum temperature.