Take the guesswork out of changing your home's filters

The FilterTone® Alarm reminds you with a pleasant tone to change your filters when they become dirty. Reduce your energy usage and extend the life of your heating and cooling units.

Test the temp with the digital thermometer and take control of your savings
Test the temp with the digital thermometer and take control of your savings
Test the temp with the digital thermometer and take control of your savings
Test the temp with the digital thermometer and take control of your savings