AC Running but Not Cooling the House
An air conditioner that runs without cooling may have an airflow issue, thermostat problem, dirty outdoor coil, or refrigerant/system fault.
Read guide →❄️ HVAC
HVAC troubleshooting
Air conditioning, heating, thermostats and airflow.
Furnace Blowing Cold Air: What It Can Mean
Cold air from heating vents can be caused by thermostat settings, a dirty filter, ignition trouble, or safety shutdowns.
Read guide →Thermostat Screen Is Blank: Common Reasons
A blank thermostat can be as simple as dead batteries or as serious as a power or HVAC safety switch issue.
Read guide →Dehumidifier Running but Not Collecting Water
A dehumidifier may run without collecting water because humidity is already low, airflow is restricted, the room is too cold, or the refrigeration system has a fault.
Read guide →House Smells Like Gas: What to Do Immediately
A suspected natural-gas or propane leak is an emergency condition and is not a DIY troubleshooting task.
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