Introducing the HomeSitter TEC Cellular Freeze Alarm

The HS-500 HomeSitter TEC is a cellular freeze and humidity alarm, perfect for locations without phone lines. The HS-500 connects through the cell network back to the TEC online cloud where users have a free account. Within the online account users easily select their high and low temperature and humidity thresholds plus provide their alarm points of contact. I.e. cell phone numbers, email addresses etc. to receive the alert text messages, emails and phones calls.

The HomeSitter TEC is the first easy to setup and program, all in one, cellular based Freeze Alarm dialer we’ve been able to offer. The cell plans come in very affordable monthly, seasonal (four month) and annual plans so you never need to pay for coverage at times when you don’t require it!

Contact us today to learn more about the HomeSitter TEC HS-500.



I have been in the alarm and control industry for the past 8 years. I am especially interested in the utilization of existing WiFi networks for alarm notification and control applications.


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    • I have been in the alarm and automation industry since 2006. I am particularly interested in seeing how the industry adapts as the number of home owners with traditional land line phone lines dwindles raising a need for WiFi and Cellular devices.