Top 10 Greenhouse Temperature Alarms for Optimal Plant Growth

Prakeerti Sinha

Maintaining optimal temperature conditions in a greenhouse is crucial for the successful growth of plants. Fluctuations in temperature can lead to plant stress, reduced yields, and even crop loss. That's why having a reliable greenhouse temperature alarm system is essential. These systems not only monitor temperature levels but also provide real-time alerts to growers, enabling them to take immediate action when deviations occur. In this blog, we will explore the top 10 greenhouse temperature alarms available in the market today. We will discuss their features, benefits, and why they are ideal for ensuring optimal plant growth.

AcuRite 00611A3 Wireless Indoor/Outdoor Thermometer

  • The AcuRite 00611A3 is a wireless thermometer designed for both indoor and outdoor temperature monitoring. It features a wireless sensor that can be placed inside the greenhouse to monitor the temperature. The device displays the current temperature, as well as the minimum and maximum temperatures recorded. With its wireless functionality, growers can conveniently monitor temperature fluctuations from a distance. The AcuRite 00611A3 is an affordable option for small-scale greenhouse operations.

Ambient Weather WS-10 Wireless Indoor/Outdoor Thermometer

  • The Ambient Weather WS-10 is a wireless thermometer system that includes an indoor display console and an outdoor sensor. It allows growers to monitor temperature and humidity levels in real-time. The system can be expanded with additional sensors, making it suitable for monitoring multiple areas within the greenhouse. The WS-10 features customizable alarms that notify growers when temperature thresholds are exceeded or dropped below desired levels. With its easy-to-read display and reliable wireless connectivity, this system is an excellent choice for medium-sized greenhouses.

La Crosse Technology C85845 Color Wireless Forecast Station

  • The La Crosse Technology C85845 is a comprehensive weather station that provides detailed temperature and weather information. In addition to displaying current indoor and outdoor temperatures, it offers a color forecast, humidity levels, and a 24-hour weather trend graph. The C85845 also includes customizable alerts for temperature deviations, ensuring that growers are promptly notified of any temperature changes. With its attractive color display and accurate sensor readings, this weather station is suitable for growers who value both functionality and aesthetics.

Govee Wireless Thermometer Hygrometer 

  • The Govee Wireless Thermometer Hygrometer is a versatile monitoring system that tracks temperature and humidity levels. It consists of a wireless sensor and a display unit that can be placed anywhere within range. The device offers real-time temperature and humidity readings, as well as historical data. It also features a smart app that allows growers to monitor conditions remotely and receive temperature alerts. The Govee Wireless Thermometer Hygrometer is an affordable and user-friendly option for growers who prefer a smartphone-connected monitoring system.

SensorPush Wireless Thermometer/Hygrometer 

  • The SensorPush Wireless Thermometer/Hygrometer is a compact and accurate monitoring system that connects to smartphones or tablets via Bluetooth. It offers real-time temperature and humidity data, as well as data logging for up to 20 days. The SensorPush app provides customizable temperature alarms, ensuring growers are promptly alerted to any temperature variations. With its easy setup, long-range connectivity, and intuitive app interface, this system is ideal for small to medium-sized greenhouses.

Davis Instruments 6250 Vantage Vue Wireless Weather Station

  • The Davis Instruments 6250 Vantage Vue is a professional-grade weather station designed for accurate and comprehensive weather monitoring. It includes an outdoor sensor suite that measures temperature, humidity, barometric pressure, wind speed, and rainfall. The system features a console that displays all the recorded data, including historical trends. With its customizable alerts and robust construction, the Vantage Vue is well-suited for large-scale greenhouse operations and professional growers.

Temp Stick Wireless Temperature Sensor

  • The Temp Stick Wireless Temperature Sensor is a compact and long-range monitoring device that connects to Wi-Fi networks. It offers real-time temperature readings, data logging, and customizable alerts. The device's battery life is impressive, lasting up to 1.5 years, making it a reliable option for long-term monitoring. With its easy installation and compatibility with mobile devices, the Temp Stick is suitable for growers who require continuous temperature monitoring without the need for frequent battery replacements.

Inkbird ITC-308 Temperature Controller

  • The Inkbird ITC-308 is a temperature controller designed for precise temperature regulation. It features a dual-relay output, allowing growers to connect both heating and cooling devices. The device monitors the current temperature and activates the appropriate equipment to maintain the desired temperature range. With its programmable settings, easy-to-read display, and reliable performance, the ITC-308 is an excellent choice for growers who require precise temperature control in their greenhouses.

Seneye Home Aquarium Monitor

  • Although primarily designed for aquariums, the Seneye Home Monitor can be used for monitoring temperature in greenhouses as well. This device measures temperature, light, and water parameters. It connects to a computer or mobile device via USB or Wi-Fi and provides real-time readings and alerts. The Seneye software offers data logging, trend analysis, and customizable alarms. While its primary focus is aquatic environments, the Seneye Home Monitor can be a cost-effective option for small-scale greenhouse temperature monitoring.

Amprobe TMD-56 Thermometer

  • The Amprobe TMD-56 is a professional-grade thermometer that offers accurate temperature measurements. It features dual Type-K thermocouple inputs, allowing for simultaneous monitoring of two different locations within the greenhouse. The device displays real-time temperature readings and includes additional functions such as data logging and differential temperature measurement. With its rugged design and high accuracy, the Amprobe TMD-56 is suitable for professional growers who require precise temperature monitoring in various areas of their greenhouse.

Certainly! Here are some frequently asked questions (FAQs) about greenhouse temperature alarms:

What is a greenhouse temperature alarm?

A greenhouse temperature alarm is a device or system that monitors the temperature within a greenhouse and provides alerts or notifications when temperature thresholds are exceeded or dropped below desired levels. It helps growers maintain optimal temperature conditions for plant growth and prevent temperature-related issues.

Why is a greenhouse temperature alarm important?

A greenhouse temperature alarm is important because temperature fluctuations can have a significant impact on plant health and productivity. It helps growers identify and address temperature deviations promptly, preventing plant stress, diseases, and crop loss. The alarm ensures that growers are alerted to any temperature changes, allowing them to take immediate action to maintain optimal growing conditions.

How does a greenhouse temperature alarm work?

A greenhouse temperature alarm typically consists of temperature sensors placed strategically within the greenhouse, which continuously monitor the temperature. When the temperature exceeds or falls below the desired range, the alarm system triggers alerts through various means such as audible alarms, SMS notifications, or mobile app notifications, ensuring that growers are promptly informed of any temperature variations.


Choosing the right greenhouse temperature alarm system is crucial for maintaining optimal temperature conditions and promoting plant growth. The top 10 greenhouse temperature alarms discussed in this blog offer a range of features and options to suit different greenhouse sizes and requirements. From wireless thermometers and weather stations to smart app-connected sensors and professional-grade devices, growers can find a suitable alarm system that meets their specific needs. By investing in a reliable greenhouse temperature alarm, growers can ensure that their plants thrive in an environment with optimal temperature conditions, leading to higher yields, improved plant health, and increased profitability.

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