Is the Inkbird ITC-308 worth it?
A top pick in Test, Measure & Inspect on Amazon (#6 when we checked, Oct 27, 2026)
Worth it if It is worth considering if you need one controller for both heating and cooling equipment, with the measured and target temperatures visible together. The included probe, alarms, and compressor delay make it a practical fit for uses such as freezers, heating wraps, and exhaust fans.
Good to know: If you need a controller for loads above 1100 watts at 110 volts, look for a model rated for your equipment's power requirements.
A dual-relay temperature controller for simpler heating and cooling
Know which tool is in front of you: the Inkbird ITC-308 is a corded temperature controller that can manage heating and cooling equipment through separate relay functions. That matters when conditions change. One unit can respond to the temperature reading by powering the connected heating or refrigeration equipment according to your settings, instead of making you choose a controller for only one direction of control.
The useful detail is the dual display window. You can see the measured temperature and the set temperature at the same time, rather than switching between them. Set the target, watch the current reading, and adjust with the push buttons when needed. The controller supports both Celsius and Fahrenheit, with a stated control range of -50 to 120°C or -58 to 248°F and 0.1-degree resolution.
The included NTC probe gives the controller a temperature signal, while the high and low alarms can alert you when the temperature moves outside your chosen limits or the sensor has a fault. For refrigeration equipment, the compressor delay setting adds a dedicated protection feature. The honest limit is clear: maximum output is listed as 1100 watts at 110 volts, so match that rating before connecting your equipment.
You get the controller panel, socket, and temperature probe in one set, along with heating and cooling control, alarms, dual temperature display, and compressor delay protection. That can replace the need to coordinate separate temperature-control hardware for compatible equipment.
Great for
- Freezer temperature control
- Heating wraps and electric heaters within the rated load
- Home brewing or incubation setups needing heating and cooling control
- Users who want current and target temperatures shown together
Maybe not for you if
- Your connected equipment exceeds 1100 watts at 110 volts
- You need a controller designed for a different voltage or load rating
- You prefer app-based control rather than push-button operation
The Inkbird ITC-308 is a sensible fit for buyers who want straightforward heating and cooling control in one corded unit. Its dual relay setup, included probe, simultaneous temperature displays, alarms, and compressor delay cover the practical details that matter during routine monitoring. The push-button controls and Celsius/Fahrenheit support keep setup approachable, while the 1100-watt-at-110-volt limit gives you a clear compatibility check. Choose it for compatible freezers, heating wraps, exhaust fans, and similar equipment where simple temperature control is the job.
Amazon shoppers rate it 4.6 out of 5 across 10,354 ratings. That is their number, not ours.
Quick answers before you buy
Does the Inkbird ITC-308 control both heating and cooling?
Yes. It has dual relay control for heating and cooling equipment, with the temperature controller switching according to your settings and current conditions.
What is included with the ITC-308?
The listing includes a temperature probe, socket, and controller panel. The description identifies the probe as an NTC sensor with a 1.8-meter, 6-foot cable.
What temperature range does it support?
It supports a stated control range of -50 to 120°C or -58 to 248°F, with 0.1°C or 0.1°F resolution.
What load can the ITC-308 handle?
The maximum output load is listed as 1100 watts at 110 volts. Check your equipment's voltage and wattage before connecting it.
Can it show Celsius and Fahrenheit?
Yes. The ITC-308 supports both Celsius and Fahrenheit display, and its LCD shows the measured and set temperatures together.
The spec sheet, for those who want it
| Controller Type | Push Button |
|---|---|
| Additional Features | Temperature Display |
| Specific Uses For Product | freezer, heating wrap, exhaust fan |
| Temperature Control Type | Heating and Cooling |
| Power Source | Corded Electric |
| Voltage | 110 volts |
| Display Type | LCD |
| Control Type | Button Control |
| Control Method | Remote |
| Mounting Type | Wall Mount |
| Wattage | 1100 watts |
| Color | Black |
| Shape | Rectangular |
| Product Style | Digital |
| Material Type | Plastic |
| Brand Name | Inkbird |
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