Thermostats Alternative ways to recycle Illegal in Garbage & Drains Contains Mercury Household Hazardous Waste Drop-off is available twice a month by appointment only on Saturdays for household hazardous waste and/or universal waste. Acceptable items include over-the-counter and prescription medications, fluorescent light tubes, motor oil and used motor oil, antifreeze, paint, chemicals (pool and others), household cleaners, and pesticides. The majority of medications are accepted as household hazardous waste excluding controlled substances. Some items can be dropped off at the HHW Facility without an appointment and during hours of operation. These items include: sharps waste (syringes or lancets) properly packaged for safe disposal, (used) motor oil, filters and antifreeze. Proof of residency is required. To make an appointment to drop off your household hazardous waste on the next available Saturday at the Waste Management HHW Facility at 2880 Industry Street, please call Waste Management’s Customer Service line at (760) 439-2824. HHW must be dropped off by appointment – click for more info. 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. If present, this liquid is mercury. Do Not Throw in the Garbage A thermostat that contains mercury should be disposed of as hazardous waste, so never throw them in the garbage. Smart and Digital Thermostats Are E-Waste Smart thermostats and digital thermostats need to be disposed of as e-waste. Alternative Ways to Recycle Return to an HVAC Wholesaler Heating Ventilation and Air Conditioning (HVAC) wholesalers are required by law to accept mercury thermostats free of charge. Find collectors who will recycle your thermostat. Ways to Reduce Replace Mercury Thermostats Most thermostats are made without mercury now so they are less damaging to the environment and more energy efficient. Consider updating your thermostat to save energy, money and avoid a hazardous mercury spill.