Sometimes. A blower motor may be repaired if the issue is a capacitor, wiring, or control problem. If the motor itself is failing, replacement is usually the reliable option. Testing motor amperage, airflow, and electrical signals helps confirm the best fix.

One of the most common failures is an ignition-related issue, such as a worn ignitor or dirty flame sensor. These problems can prevent the furnace from lighting or cause repeated shutdowns. Proper cleaning/testing and correct replacement parts typically restore reliable heating.

Often, smaller wear components fail first, such as filters (airflow restriction), ignitors, flame sensors, and capacitors. These parts experience regular heat and electrical load. Addressing them early prevents bigger issues like overheating, short cycling, and unnecessary strain on the blower motor.

Signs include frequent repairs, uneven heat, short cycling, unusual noises, rising energy bills, and trouble maintaining temperature. If the unit is older and repairs are becoming common, it may be smarter to compare repair vs replacement based on long-term cost.

Many residential furnaces last around 15–20 years, depending on maintenance, usage, installation quality, and airflow conditions. Regular inspections and filter changes can extend service life, while poor airflow, dust buildup, and repeated overheating can shorten it.

Furnace repair cost depends on the issue and parts required. Simple fixes may involve sensors or ignition components, while larger repairs can include blower motors or control boards. The best approach is an on-site diagnosis so you can compare options clearly.

It depends on furnace age, repair frequency, and the cost of the current repair. If the unit is older and repairs are stacking up, replacement can be cheaper long-term. We’ll explain repair vs replacement using your system’s condition and expected reliability.