Skip to content
Ask About HVAC
Th

Thermostats

Fan settings, schedules, smart thermostats, wiring and blank screens.

  1. 01
    Th · Thermostats

    Should Your AC Fan Be On or Auto? What the Humidity Research Shows

    In humid climates, keep the AC fan on Auto: measured tests show fan On puts water from the coil back into your air. When On or Circulate makes sense, and a simple test for your home.

    Updated October 18, 2026 · 3 min · 7 sources