Understanding This Problem
An HVAC system that runs continuously is working harder than it should. This increases wear, energy costs, and usually indicates an underlying problem.
Quick Answer
HVAC Running Constantly usually points to extreme outdoor temperatures, undersized equipment, thermostat set too far from ambient. Start with the safe checks listed below, document what changed, and stop running the equipment if the symptom involves burning smells, gas odor, repeated breaker trips, ice, water damage, or unsafe operation.
Common Causes
What You Can Do
What to Document Before Scheduling
Prevention Tips
- Right-size equipment during replacement
- Maintain regular filter changes
- Address home envelope issues
Questions Before Approving Repair
Schedule service soon to prevent the problem from worsening.
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