3822  Automatic Controls for Regulating Residential & Commercial
Environments & Appliances

Establishments primarily engaged in manufacturing temperature and related
controls for heating and air-conditioning installations and refrigeration
applications, which are electrically, electronically, or pneumatically
actuated, and which measure and control variables such as temperature and
humidity; and automatic regulators used as components of household
appliances. Establishments primarily engaged in manufacturing industrial
process controls are classified in industry 3823; those manufacturing motor
control switches are classified in industry 3625; those manufacturing
switches for household appliances are classified in industry 3643; and
those manufacturing appliance timers are classified in industry 3873.