Does this turn on and off automatically when heat or humidity is needed or not needed?

It turns off and on based on parameters you specify

Would this work to control a fan in order to keep humidity down in a garage?

Yes, it can. Please use it within 10A(current).

What’s the difference between this and the itc 608? is the 608 a streamlined version of this (which is 2 products)?

Hi, thanks for asking. The difference between these two version are as following. 1. ITC-608T supports a maximum output load of 1800W. 2. ITC-608T has two plugs for devices while this 308+200 supports 4 plugs, two for heating/cooling, two plugs for Humidification/dehumidification. 3. ITC-608T supports "time stage periods for temp control mode" - so you can program it to ramp the temperature up and/or down.

Would this be proper to use is converting a refrigerator into an egg incubator?

Hi, thanks for asking. Please contact us with more details with the egg incubator, we will try our best to help you. Contact us: 1. Inkbird home page: https://www.amazon.com/sp?_encoding=UTF8&asin=&isAmazonFulfilled=1&isCBA=&marketplaceID=ATVPDKIKX0DER&orderID=&seller=A1RUFFFCQ74BCW&tab=&vasStoreID= Click "ask a question"on the top right to reach us. 2.Email: support@ink-bird.com

Inkbird Itc 308 Temperature Controller With Ihc 200 Humidity Controller

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Description

🌿 Master your grow space with smart climate control—because your plants deserve the best!

CUSTOM ALARMS - Stay ahead with high/low temp & humidity alerts tailored to your needs.
DUAL RELAY POWER - Control heating, ventilation, humidifier, and dehumidifier simultaneously with two outlets each.
GROW TENT DIY FUN - Build and customize your ventilation system with intuitive controllers designed for growers.
PRECISION CALIBRATION - Fine-tune sensors for exact environmental control and optimal plant growth.
PLUG PLAY SIMPLICITY - No complicated wiring—set up your grow environment effortlessly.

The Inkbird ITC-308 Temperature Controller paired with the IHC-200 Humidity Controller offers dual relay outputs for simultaneous heating, ventilation, humidifying, and dehumidifying. Featuring easy setup without complex wiring, customizable high/low alarms, and precision calibration, this combo is engineered for professional growers seeking reliable, programmable environmental control in grow tents or industrial settings.

Specifications

ASIN	B01N56KEU6
Best Sellers Rank	#58,146 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #61 in Temperature Controllers
Brand	Inkbird
Brand Name	Inkbird
Color	gray
Customer Reviews	4.6 out of 5 stars 1,091 Reviews
Display Type	LCD or LED
Included Components	temperature controller, humidity controller
Item Weight	1.01 Kilograms
Manufacturer	Inkbird Tech
Material	Plastic
Material Type	Plastic
Part Number	ITC308+ITC200 US
Voltage	120 Volts

Reviews

W**L

19.03.2026

S**.

13.01.2026

C**E

25.03.2026

C**J

2.05.2019

T**B

2.12.2024

M**X

19.04.2026

P**.

12.02.2020

W**.

4.12.2025

C**C

30.11.2021

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TrustScore 4.5 | 7,300+ reviews

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