Local Explainers
Short, specific answers for Texas homeowners. Each explainer answers one focused question about a system, setting or symptom.
FOCUSED ANSWERSChoose the question that fits your home
These are short companion reads, linked to the relevant detailed problem guide.
Should Your Texas AC Fan Be Set to AUTO or ON?
For most homes, AUTO is a sensible starting point: the indoor fan runs with a heating or cooling call. ON keeps air moving even when the compressor is not cooling. The better choice depends on comfort, the system and moisture behavior in your home.
Read guide ↗
What Does AUX Heat Mean on a Texas Thermostat?
AUX means auxiliary heat. On a heat-pump system, the thermostat may call for backup heat when the heat pump needs help reaching the set point. Seeing AUX briefly during a cold morning or after a large thermostat change does not, by itself, prove a fault.
Read guide ↗
Indoor AC Fan Running but Outdoor Unit Off in Laredo?
When indoor air moves but the outdoor unit is quiet, start with the fan setting, cooling call and a normal restart delay.
Read explainer ↗Need help with your heating or cooling system?
When basic checks do not answer the question, describe what you observed to an HVAC professional.