1. Average Costs
- National Range: $150–$1,200
- Average Repair Cost: $350–$550
- Emergency Repairs: $300–$1,200
- Hourly Rate for Emergencies: $150–$215/hour
2. Costs by Furnace Parts
| Part | Repair Cost | Replacement Cost |
|--------------------------|-----------------------|-----------------------|
| Thermostat | $100–$300 | Up to $600 |
| Blower Motor | $150–$450 | Up to $2,000 |
| Draft Inducer Motor | $200–$1,500 | |
| Ignitor | $150–$500 | |
| Flame Sensor | $150–$250 | |
| Gas Valve | $200–$600 | |
| Circuit Board | $200–$600 | |
| Flue Pipe | $400–$800 | |
| Relay Switch | $150–$300 | |
| Transformer | $100–$175 | |
| Heat Exchanger | $100–$200 (repair) | $500–$1,500 (replace)|
| Coils | $600–$2,000 | |
| Burners | $150–$450 | |
| Furnace Filter | $1–$35 | |
3. Annual Maintenance Costs
- Inspection Only: $80–$100
- Inspection with Tune-Up: $125–$200
- Filter Replacement: $4–$140/year (change every 90 days).
- Duct Cleaning: $275–$500 (every 3–5 years).
4. Repair Costs by City
| City | Repair Cost |
|--------------------------|-----------------------|
| Los Angeles | $60–$2,576 |
| Houston | $50–$1,800 |
| Raleigh, NC | $80–$1,050 |
| Ohio | $70–$2,500 |
| Portland, ME | $100–$500 |
5. Common Furnace Issues & Costs
- Thermostat Malfunction: Repair costs $100–$300; upgrade to a smart thermostat for $600.
- Blower Motor: Pushes air through ducts; repairs $150–$450, replacement up to $2,000.
- Draft Inducer Motor: Prevents carbon monoxide buildup; costs $200–$1,500.
- Heat Exchanger: Repairs $100–$200, replacement $500–$1,500.
- Filters: Regular replacement $1–$35 improves efficiency.
6. When to Replace vs. Repair?
- Replace if:
- Repair cost > 50% of a new unit.
- Furnace is 7+ years old with frequent issues.
- Lifespan: Most furnaces last 15–20 years.
7. DIY Furnace Repairs?
- NOT Recommended:
- Risks include toxic gas leaks (gas furnaces) and electrical shock (electric models).
- Misdiagnosis can worsen issues.
- Repairs often require certified professionals due to local regulations.
8. Tips to Save on Repairs
- Schedule regular inspections and tune-ups to prevent costly breakdowns.
- Change filters regularly to reduce wear and tear.
- Compare quotes from multiple local repair professionals.
Proper maintenance can keep your furnace running efficiently and extend its lifespan!
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