Temperature & Humidity

You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and...

Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essentia...

The 8830 Touchscreen Wi-Fi Automation IAQ Thermostat is an advanced, Internet-connected precision control designed to balance all aspects of indoor...

Accuracy, innovative features, and unbeatable affordability in one small, user-friendly CO2 monitor. To deliver its measurements, the Autopilot APC...

Autopilot Cooling Thermostat is a compact and easy-to-use controller for air conditioners and exhaust fans. Simply plug it into a power receptacle ...

The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...

Large screen digital readout. Wireless sensor transmits up to 50 ft. Expandable to accept 2 additional sensors. Waterproof casing is chemical and U...

Measures indoor/outdoor temperature & indoor humidity. Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity...

This excellent quality humidifier features a multi-directional fogging head. The coverage is from 160 to 320 sq ft, depending on humidification req...

This industrial grade humidifier features a multi-directional fogging head. Coverage is from 1,176 to 1,614 sq ft, depending on humidification req...

Easy to read digital readout. Guidelines for germination and transplant temperatures included.

Keep up with weather conditions with the Taylor Precision Products Humidiguide Dial Thermometer (12-Inch). Measure indoor temperatures or outdoor t...