It costs between $100 and $175 to replace a transformer in a furnace. The labor makes up the rest of the part's price. The transformer is used to convert incoming electrical power to usable volts.
How do I know if my AC transformer is bad?
- Vibrating And Humming – The humming noise that transformers make is reasonable. ...
- Tripped Circut Breaker – Whenever your HVAC unit's transformer goes terrible, then usually the circuit breaker will trip.
What does a transformer do in an AC unit?
The purpose of the transformer is to convert the voltage that moves from the circuit board to the AC unit. This process allows the AC and the fan to work together while cycling on and off. Electricity usage can be increased or decreased depending on the power need.