Goodman Furnace Parts Guide: What Wears Out and What It Costs to Fix

Even the best furnaces wear down. Knowing which Goodman furnace parts are most likely to fail — and roughly what they cost — helps you make smarter repair vs. replace decisions. This guide covers the most common Goodman repair calls we hear about from Minnesota homeowners, with realistic cost ranges for parts and labor.

How to Find Your Goodman Model Number

Before ordering any part, you need your exact model and serial number. On most Goodman furnaces, the sticker is inside the door panel on the front of the cabinet. It will read something like GMVC960603BN — the model number encodes the efficiency, BTU size, and cabinet configuration. Use our model number lookup tool to decode yours.

Most Common Goodman Furnace Repairs

1. Hot Surface Ignitor — $20–$80 part, $150–$250 installed

The ignitor is a silicon nitride or silicon carbide element that glows hot to light the burners. It's the most commonly replaced furnace component — they typically last 5–10 years. Symptoms of a failing ignitor include the furnace attempting to start (you hear the inducer run) but no heat, followed by a lockout code. Ignitor replacement is usually a 30-minute repair and is inexpensive.

2. Flame Sensor — $10–$30 part, $100–$200 installed

The flame sensor is a metal rod that detects whether the burners are actually lit. When it gets coated with oxidation, it can't read the flame properly and the furnace shuts off as a safety measure. Symptoms: furnace lights briefly then shuts off, or lights on retry and shuts off again. Often cleaning the sensor is all that's needed ($75–$100 service call). Replacement is cheap if cleaning doesn't work.

3. Draft Inducer Motor — $150–$400 part, $400–$700 installed

The draft inducer motor pulls combustion gases through the heat exchanger and out the flue before and after each heating cycle. When it fails, you often hear a loud bearing noise or grinding before complete failure. The furnace won't start without a functional inducer — it's a safety interlock. This is a mid-range repair; for a furnace under 15 years old, it's usually worth fixing.

4. Control Board — $100–$350 part, $300–$600 installed

The control board is the "brain" of the furnace — it sequences ignition, monitors safety sensors, and controls the blower. Control board failures can cause all sorts of symptoms: furnace won't start, runs constantly, or throws cryptic error codes. Diagnosis requires a qualified tech with the right test equipment. For older furnaces, weigh this repair cost against replacement.

5. Pressure Switch — $20–$60 part, $150–$300 installed

Pressure switches verify that the draft inducer is creating proper negative pressure before allowing ignition. If blocked (often by condensate in the tube), the furnace won't start and may show a pressure switch error code. Sometimes just clearing the condensate tube fixes it. Replacement switches are inexpensive.

6. Blower Motor (ECM) — $300–$600 part, $600–$1,000 installed

The variable-speed ECM blower motor in the GMVC96 is more expensive to replace than PSC motors but lasts longer on average. Symptoms include the furnace heating but poor air distribution, or the blower running at wrong speeds. ECM modules can sometimes fail independently of the motor itself, which is a cheaper fix ($150–$300).

7. Heat Exchanger — $500–$1,500 part, rarely worth replacing

A cracked heat exchanger is a safety emergency — it can allow carbon monoxide to mix with circulated air. Replacement is expensive and often approaches the cost of a new furnace. For any furnace over 15 years old with a cracked heat exchanger, replacement is almost always the right call. Note: Goodman's GMVC96 carries a Lifetime heat exchanger warranty when registered within 60 days of installation.

The Repair vs. Replace Decision

A useful rule of thumb: if the repair cost exceeds 50% of the replacement cost, and the furnace is over 10–12 years old, lean toward replacement. A new high-efficiency furnace will also reduce operating costs, often partially offsetting the replacement price over 5–10 years.

For reference, a factory-direct Goodman furnace from Furnace Direct costs significantly less than contractor-supplied equipment. See our current pricing by calling (888) 762-1334.

DIY vs. Professional Repair

Some repairs are reasonably DIY-friendly for handy homeowners: ignitor replacement, flame sensor cleaning, filter changes, condensate drain clearing. Others require professional equipment and licensing: gas valve work, heat exchanger inspection, electrical diagnosis. Never attempt gas line work yourself — always call a licensed HVAC technician.