Problem Cluster

Furnace Not Heating

Furnace not heating, blowing cold air, not turning on, running but no heat. Heat pump not heating. Winter traffic and leads.

Symptoms in This Cluster

The furnace fan is blowing, but the air is not warm or it won't stay lit.

Condition Variations

The heater is active, but the air coming through the vents is room-temperature or cold.

Condition Variations

You hear the furnace trying to start, but no heat is produced.

Your heat pump is stuck in cooling mode during winter or heating mode during summer.

Condition Variations