Illegal in Garbage, Recycling & Drains
Contains Mercury
Hazardous Waste

How to Check for Mercury

Remove the thermostat’s cover and check if you see a bulb or vial that contains a silver, metallic liquid. This silver, metallic liquid is mercury.

Do Not Throw in the Trash

A thermostat that contains mercury should be disposed of as Household Hazardous Waste (HHW), so never throw them in the trash.


Digital Thermostats Are E-Waste

Digital thermostats should be disposed of as e-waste.

Ways to Reduce

Replace Mercury Thermostats

Most thermostats nowadays are made without mercury, so they are less damaging to the environment and more energy efficient. Consider updating your thermostat to save energy and money.