TPU absorbs moisture quickly, which can lead to stringing, popping, inconsistent extrusion, and rough surface quality. The right filament dryer helps restore and maintain usable filament by combining controlled heat, airflow, and sealed storage.
We’ve compared 10 current filament dryer options for capacity, temperature control, heating performance, and TPU-friendly usability so you can choose a practical setup for your printer and printing habits.
Best 10 Filament Dryer for Tpu Picks for 2026
Best Adjustable Dryer
- 45–65°C adjustable range
- 0–24-hour timer and humidity display
- Supports one 1 kg spool
Best For: Flexible single-spool TPU drying
Best High-Temperature Option
- 35–70°C temperature range
- 0–99-hour customizable timer
- Rotating spindle for even drying
Best For: Extended drying and multi-size filament support
Best Two-Spool Dryer
- Holds two 1 kg spools
- 40–70°C range with 150W PTC heating
- Presets for nine filament types
Best For: Drying TPU for two printers or large workloads
Best Simple Fan-Assisted Dryer
- Fan-assisted moisture removal
- 35–55°C adjustable range
- Displays temperature, time, and humidity
Best For: Simple TPU drying while printing
Best Budget Dual-Spool Option
- Holds two 1kg spools
- 40–50°C adjustable heating
- Sealed box with LCD monitoring
Best For: Budget-conscious makers drying common filaments
Best for Multi-Printer Workflows
- Dries four 1kg spools at once
- Heats up to 70°C
- Supports feeding up to four printers
Best For: Multi-printer setups and larger projects
Best Integrated Dry-and-Store System
- Supports TPU and several filament types
- Dries, stores, and prints without breaking the seal
- Includes hygrometer and desiccant protection
Best For: Users wanting continuous sealed filament management
Best Dual-Spool Pick
- Dries two 1 kg spools simultaneously
- 160W double PTC 360° hot-air heating
- Presets for TPU and 11 other filament types
Best For: Multi-printer setups and higher-volume filament drying
Best Timed Drying Option
Creality Space Pi Filament Dryer
- Runs on a configurable timer up to 48 hours
- 110W PTC heating with 360° air circulation
- Power-off memory preserves prior settings
Best For: Long, scheduled TPU drying sessions
Best Monitoring Value
- Shows humidity and temperature in real time
- 110W PTC 360° hot-air heating
- Supports TPU and 1.75/2.85 mm filament
Best For: Single-spool drying with visible condition monitoring
Best Adjustable Dryer – Creality Space Pi SE
If you need a filament dryer for TPU with flexible temperature and timing controls, the Creality Space Pi SE is a practical single-spool option. Its 45–65°C range, 0–24-hour timer, and real-time humidity display make it straightforward to tune drying for TPU and other common materials.
Best For: Users who want a compact, adjustable dryer for one 1 kg spool and multiple filament types.
Pros:
- Heats to 65°C in about 15 minutes with 360° hot-air circulation.
- Adjustable temperature and drying time support TPU, PLA, PETG, ABS, ASA, and more.
- Fits most 1 kg spools and supports 1.75 mm and 2.85 mm filament.
- Displays humidity and drying progress while operating.
Cons:
- Its 65°C maximum is lower than some competing dryers.
- Designed for one 1 kg spool at a time.
The Space Pi SE stands out when you value simple controls and personalized settings. Its insulated chamber and built-in fan are useful for maintaining even heat while TPU feeds during printing.
Best High-Temperature Option – SUNLU Filament Dryer S2
The SUNLU S2 is a strong filament dryer for TPU when you want a broad temperature range and the ability to dry while printing. It reaches up to 70°C, offers a 0–99-hour timer, and uses a rotating spindle for more even drying.
Best For: Filament users who need extended drying controls and support for several spool sizes.
Pros:
- Temperature settings range from 35–70°C with a 0–99-hour timer.
- Built-in spindle continuously rotates the spool for even drying.
- Can hold 1.75 mm, 2.85 mm, and 3.00 mm filament.
- Translucent lid lets you inspect the spool without opening the dryer.
Cons:
- The supplied notes do not specify a dedicated humidity readout.
- Its larger capacity may take more workspace than smaller single-spool dryers.
With its large chamber, touch controls, and higher 70°C ceiling, the S2 is well suited to users who regularly dry different materials or leave filament drying for longer periods.
Best Two-Spool Dryer – Comgrow SH02
For anyone looking for a filament dryer for TPU that can handle two rolls at once, the Comgrow SH02 offers substantial capacity. Its 150W PTC heater, 40–70°C range, preset settings for nine filament types, and sealed construction make it a practical choice for busy print setups.
Best For: Multi-printer users who want to dry two 1 kg spools simultaneously.
Pros:
- Dries two 1 kg spools at the same time.
- Reaches 50°C in about seven minutes and 70°C in about 25 minutes.
- One-key presets cover TPU, PLA, PETG, ABS, ASA, PVA, PC, PA, and PP.
- Multiple sealing rings help limit moisture entering the storage box.
Cons:
- Its two-spool design is larger and heavier than single-spool models.
- Preset temperatures may offer less fine control than fully manual settings.
The SH02 is the most capacity-focused option here. Its dual PTFE outlets and safety features also make it convenient for drying and feeding filament to two printers or managing two materials in one session.
Best Simple Fan-Assisted Dryer – SUNLU S1 Plus
The SUNLU S1 Plus is a straightforward filament dryer for TPU designed for everyday drying and feeding. Its fan-assisted chamber, 35–55°C temperature range, and LCD readout provide useful control while keeping operation simple.
Best For: Beginners and casual users who want a basic dryer that can operate during printing.
Pros:
- Fan design helps discharge excess moisture from filament.
- LCD displays temperature, time, and humidity.
- Supports 1.75 mm, 2.85 mm, and 3.00 mm filament.
- Can dry filament while printing.
Cons:
- Its 55°C maximum is the lowest among these four models.
- The supplied notes do not specify a rotating spool mechanism.
The S1 Plus is a sensible choice when you want visible operating information and broad filament-size compatibility without needing advanced high-temperature settings. It is especially convenient for keeping TPU feeding from a dryer during a print.
Best Budget Dual-Spool Option – Comgrow SH01 Filament Dryer
If you need a practical filament dryer for TPU and other everyday materials, the Comgrow SH01 offers enclosed drying and storage for up to two 1kg spools. Its 40–50°C temperature range is suited to users who want basic moisture control while printing.
Best For: Budget-conscious makers who need dual-spool capacity and straightforward drying for common filament types.
Pros:
- Stores two 1kg spools and supports 1.75mm and 2.85mm filament diameters.
- Provides adjustable 40–50°C heating with 6- to 12-hour drying settings.
- Includes a sealed design, silicone cable sheath, Teflon tube, and LCD temperature and humidity display.
Cons:
- Its maximum temperature is limited to 50°C.
- The drying program requires the work state to appear on the screen or the unit may shut down after three minutes.
The SH01 is a sensible entry-level choice for keeping TPU and other compatible filaments in a warmer, enclosed environment, though users needing higher heat or larger capacity should consider a more advanced dryer.
Best for Multi-Printer Workflows – SUNLU S4 Filament Dryer
The SUNLU S4 is a high-capacity filament dryer for TPU, Nylon, PLA, PETG, ABS, and other common materials. It holds four 1kg spools, reaches up to 70°C, and is designed to feed filament to multiple printers at the same time.
Best For: Multi-printer users and makers running larger or multi-color projects who want simultaneous drying and feeding.
Pros:
- Holds four 1kg spools in its 450 × 210 × 211mm interior.
- Reaches up to 70°C and supports 1.75mm, 2.85mm, and 3.0mm filament diameters.
- Uses three circulation fans, humidity triggers, and a 350W PTC heater with backup thermal protection.
Cons:
- Its large 18.03 × 8.58 × 12.28-inch footprint requires substantial workspace.
- At 10.56 pounds, it is less convenient to move than a compact dryer.
With four-spool capacity, higher heat, and humidity-based operation, the S4 is the strongest fit here for demanding TPU workflows and users who need to keep several printers supplied.
Best Integrated Dry-and-Store System – Polymaker PolyDryer
The Polymaker PolyDryer combines heated drying, sealed storage, and direct feeding in one setup, making it a versatile filament dryer for TPU. It supports TPU along with PA Nylon, PLA, PVB, PETG, ABS, and ASA, with a built-in hygrometer for checking storage conditions.
Best For: Users who want to dry, store, and print from the same sealed filament system.
Pros:
- Supports TPU and multiple materials across 1.75mm, 2.85mm, and 3.00mm diameters.
- Combines a Dry Dock, storage box, heated drying, sealed storage, and desiccant protection.
- Allows direct filament feeding without breaking the seal and includes a built-in hygrometer.
Cons:
- The supplied notes do not specify a temperature range or drying-time controls.
- Its storage-box-based design may be less suitable for users seeking a simple, compact dryer only.
The PolyDryer stands out as a complete moisture-management solution rather than just a heater. It is particularly appealing for TPU users who want protection between prints as well as drying before and during use.
Best Dual-Spool Pick – Creality Space Pi Dryer Plus
If you need a filament dryer for TPU that can handle more than one spool, the Creality Space Pi Dryer Plus is designed for simultaneous two-roll drying. Its 160W dual-PTC system circulates hot air at 360 degrees, while the touchscreen provides temperature control from 45°C to 70°C.
Best For: Makers drying two 1 kg spools or supplying two printers at once.
Pros:
- Holds two 1 kg filament rolls and includes four filament holes with two PTFE tubes.
- Uses 160W double PTC heating with 360-degree hot-air circulation.
- Offers presets for 12 filament types, including TPU, plus manual temperature adjustment.
- Includes a 4-inch LCD touchscreen with Celsius/Fahrenheit switching.
Cons:
- Its 45°C to 70°C temperature range may not suit applications requiring higher heat.
- The dual-spool design is larger and heavier than a single-roll dryer.
Choose this model when throughput matters most. The two-roll capacity and dedicated PTFE outlets make it the most versatile option here for drying TPU while keeping multiple printing workflows supplied.
Best Timed Drying Option – Creality Space Pi Filament Dryer
For a filament dryer for TPU with extended unattended operation, this Creality Space Pi combines 110W PTC heating with a programmable timer. It supports temperatures from 45°C to 70°C and can run for up to 48 hours, making it practical for longer drying cycles.
Best For: Users who want scheduled drying and settings that resume after a power interruption.
Pros:
- Circulates 360-degree hot air using a 110W PTC heater and built-in fan.
- Provides one-key settings for 12 filament types, including TPU.
- Offers a 0-to-48-hour timer for extended drying sessions.
- Power-off memory retains the previous material and temperature settings.
Cons:
- The supplied notes identify a single-spool unit rather than a two-roll design.
- It uses a smaller 3.7-inch touchscreen than the Plus model.
This is a strong fit if timer flexibility is more important than capacity. Its power-off memory and broad filament compatibility add convenience for routine TPU drying, while the single-spool format keeps the setup straightforward.
Best Monitoring Value – Creality Space Pi Dryer
If you want a filament dryer for TPU that makes drying conditions easy to track, the standard Creality Space Pi adds real-time humidity and temperature monitoring. Its 110W PTC heater and fan circulate hot air evenly, with one-key presets and manual control from 45°C to 70°C.
Best For: Users who want visible humidity and temperature readings during single-spool drying.
Pros:
- Displays internal humidity and temperature in real time through a high-precision sensor.
- Uses 110W PTC heating and 360-degree hot-air circulation.
- Supports one-key settings for 12 materials, including TPU, plus manual adjustment.
- Works with 1.75 mm and 2.85 mm filaments, including nylon, PA, and PC.
Cons:
- The supplied notes do not specify a timer function.
- The unit is described as a single-item dryer rather than a two-spool model.
Choose this version when monitoring is central to your workflow. The live humidity and temperature display gives you more visibility than a basic dryer, while the wide material and diameter compatibility keeps it useful beyond TPU.
How We Picked the Best Filament Dryer for Tpu
We focused on features that matter when drying flexible filament: adjustable temperature ranges, stable heating, airflow, sensor accuracy, spool compatibility, and the ability to feed filament directly to a 3D printer. We also considered whether each unit supports one or two spools and whether its design can help keep TPU dry after the drying cycle.
Because TPU should be dried gently and consistently rather than exposed to excessive heat, temperature control was weighted more heavily than maximum wattage. Models marketed for multiple materials, including TPU, nylon, PETG, PLA, and ABS, offer greater flexibility for mixed-material printing.
Quick Comparison
| What to Compare | Best For | Why It Matters |
|---|---|---|
| Single-spool dryers | Occasional TPU users | Smaller footprint and simpler operation |
| Dual-spool dryers | Frequent or multi-material printing | Can dry or feed more filament at once |
| Higher-power PTC heating | Wet filament and faster cycles | Can improve warm-up and drying consistency |
| Sealed storage | Long print jobs | Helps limit moisture reabsorption |
| Precision sensors | TPU and other heat-sensitive materials | Supports more controlled drying |
Key Buying Factors for a Filament Dryer for Tpu
Temperature Control
Choose a dryer with adjustable settings rather than a single fixed heat level. TPU formulations vary, so the usable temperature depends on the filament manufacturer’s recommendations. A clear display and reliable sensor make it easier to avoid overheating.
Airflow and Heating Design
PTC heaters are common because they provide controlled, relatively efficient heat. Fan-assisted circulation and 360-degree airflow can help reduce cold spots around the spool, although drying time still depends on the filament’s moisture level and the chosen temperature.
Spool Size and Feeding
Check the internal width and supported spool diameter before buying. A dryer is more useful when you can print directly from it, but the filament path should be smooth enough for TPU, which can flex, drag, or buckle more easily than rigid filament.
Capacity and Storage
A single-spool box is compact and adequate for most users. Dual-spool models are better for frequent printing or keeping two materials ready, but they take up more space. Sealing quality matters if the dryer will also serve as a storage box.
Who Should Buy Which Filament Dryer for Tpu?
Choose a compact single-spool model if you print TPU occasionally, have limited desk space, or want an uncomplicated dryer for one active spool.
Choose a dual-spool dryer if you regularly print flexible filament, switch between materials, or want to prepare a second spool while another is in use.
Choose a higher-capacity, sensor-equipped model if you print TPU frequently or also use moisture-sensitive nylon. More precise controls and stronger circulation can make repeatable drying easier.
Whichever model you choose, follow the filament manufacturer’s temperature and time guidance, use a dry box or sealed container after drying, and avoid assuming that a higher setting always produces better results.