---
product_id: 52429240
title: "Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2"
brand: "bio green"
price: "HK$70"
currency: HKD
in_stock: false
reviews_count: 11
url: https://www.desertcart.hk/products/52429240-bio-green-thermo-2-digital-thermostat-controller-with-sensor-heating
store_origin: HK
region: Hong Kong
---

# High power capacity 3000W Energy-saving precise control Wide temp range -50°C to +99°C Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2

**Brand:** bio green
**Price:** HK$70
**Availability:** ❌ Out of Stock

## Summary

> 🌿 Master your microclimate with precision and power!

## Quick Answers

- **What is this?** Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 by bio green
- **How much does it cost?** HK$70 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/52429240-bio-green-thermo-2-digital-thermostat-controller-with-sensor-heating)

## Best For

- bio green enthusiasts

## Why This Product

- Trusted bio green brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless User Interface:** Intuitive button controls paired with a clear digital LCD display make setup and monitoring a breeze.
- • **Integrated Sensor & Outlet:** Flexible 2.8m temperature sensor cable and built-in socket ensure accurate readings and easy device connection.
- • **Precision Temperature Range:** Adjust from freezing -50°C to scorching +99°C, tailored to every plant’s unique needs.
- • **Robust 3000W Power Handling:** Confidently control high-power heaters, fans, or electric windows without a hitch.
- • **Dual Climate Control Mastery:** Seamlessly switch between heating and cooling modes to maintain perfect greenhouse conditions year-round.

## Overview

The Bio Green TER2/GB Thermo 2 Digital Thermostat is a robust, user-friendly climate controller designed for greenhouses and indoor plant environments. It offers a wide temperature adjustment range (-50°C to +99°C), supports up to 3000W devices, and features integrated temperature sensing and outlet connectivity. Ideal for professionals seeking reliable, energy-efficient heating and cooling management with straightforward digital controls.

## Description

Great prices on your favourite Gardening brands, and free delivery on eligible orders.

Review: This works and seems robust but printed manual is wrong - Feb 2021 edit All three still going strong. Two in the greenhouse and one in our conservatory. I see there are now many similar on desertcart at less than half the price- look at their 1 star reviews - these Biogreen units seem robust snd safe by comparison. Feb 3018 edit: just bought a third one when my propagator thermostat packed up. My two Biogreens are still working fine. In response to other reviewers comments, yes they are. ‘basic’ and the supply flex could be longer but I really don’t care a monkeys - in my limited experience with them - they work and seem robust - and I had gone through about three other branded thermostats over the years. You can’t link them into eg my z wave home automation either and no outputs to log temperatures but I don’t need these - I can run them off a timer or remote switch if I want to - but what I need is to be able to set propagator temperature and leave it for weeks without worrying that it may have packed up. I also haven’t found any equivalent unit short of commercial devices such as the Pola range etc. Previous review 2014: Had one for 2 years in greenhouse - solid construction. Bought another one for conservatory to replace a cheap underfloor heating thermostat that is unreliable. As other reviewers have noted - the instruction manual is wrong - you need to download the pdf from their site. In particular, to set the set point, you have to press and hold the down button for three seconds until the setpoint temp flashes and then adjust it by pressing the up/down button. To store the setpoint you need to press the down button and C/H button simultaneously, briefly - but within 10 seconds of adjusting the setpoint. One of the things I needed to check was that, in the event of a power failure, the set point is remembered. It is - at least for an hour minimum. I just tested that function. This is expensive but once you have got one I think you will feel confident in the unit. We used to design/make this sort of thing in the UK a long time ago but at least the Germans still know how to do so. Some reviewers comment on the fact that the flap over the outlet socket will not open enough to plug in an energy meter between the unit and the load - that's right - I have to use an extension cable - its a slight pain but I really haven't found any other unit that can do the job as well. Note that this is NOT IP 65 rated - it is for covered / indoor use - having said that, I have had it in my greenhouse for 2 years ( very damp/humid ). In terms of temperature accuracy, the display is to the nearest degree C and I have checked that out against a separate temperature sensor from 3 to 20 C and its pretty good. If you need control to better than one degree then you need to look elsewhere. I've given this 5 stars in spite of the manual - its just because I haven't found anything better with a similar quality and robustness.
Review: Gas bottle gauge s - Accurate to 1degree smart appearance. Value for money and reliable

## Features

- TAKE TOTAL CONTROL OF YOUR GROWING ENVIRONMENT — 24 HOURS A DAY — Stop guessing whether your greenhouse is too hot, too cold, or just right. The Bio Green Thermo 2 continuously monitors your environment through its precision sensor cable and automatically switches your heater or fan on and off the moment temperatures drift from your target. No manual adjustments. No temperature surprises. No more walking into a greenhouse full of heat-stressed or frost-damaged plants. Just perfect, consistent growing conditions — every hour of every day, all year long.
- HEAT IN WINTER. COOL IN SUMMER. ONE DEVICE DOES IT ALL — Most thermostats only control heating — leaving you scrambling for a separate solution when summer arrives and your grow tent turns into an oven. The Bio Green Thermo 2 handles both heating and cooling from a single plug-in unit — automatically switching your heater on during cold nights and triggering your fan or ventilation system when temperatures climb too high. One investment. Complete year-round climate control. Nothing else needed.
- SLASH YOUR ELECTRICITY BILL WITHOUT SACRIFICING PLANT HEALTH — Running a heater or fan 24/7 is expensive and completely unnecessary. The Thermo 2's intelligent auto on/off technology ensures your devices only run when the temperature actually demands it — eliminating the wasted energy consumption that drives up electricity costs month after month. Growers who switch to thermostat-controlled heating typically cut their energy usage dramatically. Your plants get what they need. Your wallet keeps what it earns.
- 3000W CAPACITY — POWERFUL ENOUGH FOR ANY SETUP — Whether you're running a compact 2KW greenhouse heater, a powerful ventilation fan, or multiple devices across a large growing operation, the Thermo 2's 3000W load capacity handles it all without hesitation. No overloading. No tripped breakers. No replacing burnt-out controllers. Just reliable, heavy-duty performance that serious growers can count on through the most demanding seasons of the year.
- PLUG IN, SET UP & START GROWING IN MINUTES — Forget complicated wiring, confusing installation manuals, or hiring an electrician. The Bio Green Thermo 2 is a straightforward plug-in controller — connect your heating or cooling device, place the sensor cable where you need accurate readings, set your target temperature on the clear digital display, and walk away. It really is that simple. Professional-grade climate control that anyone can set up and use from day one, no experience required.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005N96SBS |
| Backlight | Yes |
| Best Sellers Rank | 47,547 in Garden ( See Top 100 in Garden ) 1,173 in Plant Germination Equipment |
| Brand Name | Bio Green |
| Colour | Multicolor |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wi-Fi |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Wi-Fi |
| Customer Reviews | 4.3 4.3 out of 5 stars (125) |
| Display Type | LCD |
| Global Trade Identification Number | 05055320002024 |
| Included Components | Mounting plate |
| Item Shape | Rectangular |
| Item Type Name | Watch, Winder, Blender, Lamp |
| Manufacturer | Bio Green OHG |
| Manufacturer Part Number | TER2/GB |
| Material Type | Mixed Materials |
| Model Name | TER2 |
| Model Number | TER2/GB |
| Mounting Type | Wall Mount |
| Power Source | Corded Electric |
| Product Style | Classic |
| Special Features | digital thermostat |
| Specific Uses For Product | Heating |
| Temperature Control Type | digital |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Bio Green
- **Colour:** Multicolor
- **Connectivity technology:** Wi-Fi
- **Controller type:** Wi-Fi
- **Included components:** Mounting plate
- **Model name:** TER2
- **Power source:** Corded Electric
- **Special feature:** digital thermostat
- **Specific uses for product:** Heating
- **Temperature Control Type:** digital

## Images

![Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 - Image 1](https://m.media-amazon.com/images/I/71b0MLBNRbL.jpg)
![Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 - Image 2](https://m.media-amazon.com/images/I/81UzXhqsQDL.jpg)
![Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 - Image 3](https://m.media-amazon.com/images/I/81gsRU8KIeL.jpg)
![Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 - Image 4](https://m.media-amazon.com/images/I/814D+wkxk9L.jpg)
![Bio Green Thermo 2 Digital Thermostat Controller with Sensor – Heating & Cooling Plug-In Thermostat for Greenhouse, Grow Tent & Indoor Garden – 3000W Capacity, Auto On/Off, Energy Saving – TER2 - Image 5](https://m.media-amazon.com/images/I/91CYJJMrCwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ This works and seems robust but printed manual is wrong
*by G***L on 20 November 2014*

Feb 2021 edit All three still going strong. Two in the greenhouse and one in our conservatory. I see there are now many similar on Amazon at less than half the price- look at their 1 star reviews - these Biogreen units seem robust snd safe by comparison. Feb 3018 edit: just bought a third one when my propagator thermostat packed up. My two Biogreens are still working fine. In response to other reviewers comments, yes they are. ‘basic’ and the supply flex could be longer but I really don’t care a monkeys - in my limited experience with them - they work and seem robust - and I had gone through about three other branded thermostats over the years. You can’t link them into eg my z wave home automation either and no outputs to log temperatures but I don’t need these - I can run them off a timer or remote switch if I want to - but what I need is to be able to set propagator temperature and leave it for weeks without worrying that it may have packed up. I also haven’t found any equivalent unit short of commercial devices such as the Pola range etc. Previous review 2014: Had one for 2 years in greenhouse - solid construction. Bought another one for conservatory to replace a cheap underfloor heating thermostat that is unreliable. As other reviewers have noted - the instruction manual is wrong - you need to download the pdf from their site. In particular, to set the set point, you have to press and hold the down button for three seconds until the setpoint temp flashes and then adjust it by pressing the up/down button. To store the setpoint you need to press the down button and C/H button simultaneously, briefly - but within 10 seconds of adjusting the setpoint. One of the things I needed to check was that, in the event of a power failure, the set point is remembered. It is - at least for an hour minimum. I just tested that function. This is expensive but once you have got one I think you will feel confident in the unit. We used to design/make this sort of thing in the UK a long time ago but at least the Germans still know how to do so. Some reviewers comment on the fact that the flap over the outlet socket will not open enough to plug in an energy meter between the unit and the load - that's right - I have to use an extension cable - its a slight pain but I really haven't found any other unit that can do the job as well. Note that this is NOT IP 65 rated - it is for covered / indoor use - having said that, I have had it in my greenhouse for 2 years ( very damp/humid ). In terms of temperature accuracy, the display is to the nearest degree C and I have checked that out against a separate temperature sensor from 3 to 20 C and its pretty good. If you need control to better than one degree then you need to look elsewhere. I've given this 5 stars in spite of the manual - its just because I haven't found anything better with a similar quality and robustness.

### ⭐⭐⭐⭐⭐ Gas bottle gauge s
*by D***N on 18 May 2025*

Accurate to 1degree smart appearance. Value for money and reliable

### ⭐⭐⭐⭐⭐ Nice piece of equipment
*by J***C on 13 August 2014*

Nice piece of equipment, I bought this for my new greenhouse and have never tested it in there yet as I haven't installed the electrics yet. I have however tested it's accuracy indoors. I have to say it's display reads 1 degree C too high - this did not surprise me as I had several thermometers in the same room and they ALL varied as to the real temperature. It is nice to look at and easy to set. Do not loose your instruction book however. It has a 'Cooling'/'Heating mode, ie It will switch only the fan on when your greenhouse gets too hot as well as the heating element in winter - Very useful. Probably one of the best on the market in my view at that price level.

## Frequently Bought Together

- Bio Green TER2/GB Thermo 2 Digital Thermstat with Summer/ Winter Function
- Digital Max Min Thermometer - Monitor Max and Min Temperatures With This Handy Greenhouse Thermometer Garden Accessories Easily Wall Mounted Maximum Minimum Thermometer
- Brannan Max Min Thermometer and Hygrometer - Ideal Greenhouse Thermometer and Humidity Meter To Monitor Maximum and Minimum Temperatures and Humidity Easily Wall Mounted

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-17*