Buy at Smarthome - Sensors - Environmental Sensors

Easy temperature control for cold weather applications. No need for fancy computer based systems or expensive timers. These little plugs turn your lights or appliances ON and OFF based on the ambient temperature. More info...

Part # 7143

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Sale $14.29 $18.99

38 customer ratings 38 Customers rated this product 4.5 Stars

This temperature/humidity sensor connects to your PC's USB port, delivering accurate temperature and humidity data. The included software stores all readings to an Access database and can be set up to email you if your designated alarm point is reached. More info...

Part # 15250

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Sale $130.67 $159.99

14 customer ratings 14 Customers rated this product 4.5 Stars

Easy temperature control for hot weather applications. No need for fancy computer based systems or expensive timers. These little plugs turn your lights or appliances ON and OFF based on the ambient temperature. More info...

Part # 7144

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Sale $15.96 $18.99

22 customer ratings 22 Customers rated this product 4 Stars

Use this rugged mechanical temperature sensor to protect or control areas that may be subject to harsh conditions. More info...

Part # 7150

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$59.99

4 customer ratings 4 Customers rated this product 4.5 Stars

Easy temperature control for cold weather applications. No need for fancy computer based systems or expensive timers. These little plugs turn your lights or appliances ON and OFF based on the ambient temperature. More info...

Part # 7142

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Sale $11.57 $18.99

11 customer ratings 11 Customers rated this product 4.5 Stars

Conserve water during the rainy season and prevent dangerous ice buildup while temperatures are below freezing by using this rain and freeze sensor to automatically shutoff your sprinkler timer. More info...

Part # 31258

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Sale $39.89 $49.99

1 customer rating 1 Customer rated this product 5 Stars

Aspiring meteorologists will be thrilled with this La Crosse Technology wireless weather station. Ideal for darkrooms, greenhouses, or any other environment that requires constant temperature monitoring. More info...

Part # 19425

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Sale $29.94 $54.95

Opens contacts when temperature drops below 39 °F. Can be used with virtually any security, monitoring, or home automation system that accepts a dry contact closure as a signal. More info...

Part # 7152

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$16.99

3 customer ratings 3 Customers rated this product 3.5 Stars

Easy temperature control for hot weather applications. No need for fancy computer based systems or expensive timers. These little plugs turn your lights or appliances ON and OFF based on the ambient temperature. More info...

Part # 7145

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Sale $11.57 $18.99

7 customer ratings 7 Customers rated this product 3.5 Stars

An attractive slimline mechanical temperature sensor. Closes two sets of contacts when temperatures between 30F and 100F are reached. More info...

Part # 7151

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$49.99

5 customer ratings 5 Customers rated this product 3 Stars

This sensor works with a Powerflash interface to provide a way to sense inordinately high temperatures or the early failure of a residential freezer. More info...

Part # 71933

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Sale $31.43 $49.99

4 customer ratings 4 Customers rated this product 5 Stars

Wireless Temperature Station puts you in the know. What's the time? How cold / warm is it inside or out? This "smart" wireless Temperature Station has all the answers More info...

Part # 19427

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Sale $19.98 $32.95