Household thermostats

  • Some older household thermostats contain mercury.
  • Some heating, ventilating and air conditioning (HVAC) contractors, wholesalers and distributors collect wall-mounted mercury thermostats for recycling as part of a free national program.
    • Contact heating and air conditioning contractors, suppliers and home improvement stores in your area.
  • ​Some household hazardous waste collection events and programs accept used thermostats for recycling.
    • Contact your local government offices to learn whether this service is available in your area.
  1. Place the thermostat in a strong plastic zip-top bag.
  2. Wrap the bagged thermostat in several layers of newspaper to prevent breakage.
  3. Seal the wrapped newspaper with strong tape and place the wrapped waste in a trash bag.
  4. Store the packaged waste away from children and pets.
  5. Place the packaged waste in your trash on the day it's picked up or taken to the landfill.