HVAC Capacitor Cost in 2024: What to Expect When Replacing Yours

If your HVAC system is struggling to start, making humming noises, or not cooling properly, a faulty capacitor could be the issue. Replacing it is a common repair, but costs can vary.

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Average HVAC Capacitor Replacement Cost in 2024

The cost to replace an HVAC capacitor typically ranges between 120 and120and400, including parts and labor. Here’s a more detailed breakdown:
Dual Run Capacitor (Common in AC Units): 150 –150–250
Start Capacitor (For Compressors): 100 –100–200
Labor Costs: 70 –70–150 per hour (most replacements take less than an hour)

Cost Comparison by Capacitor Type

Factors That Affect HVAC Capacitor Replacement Cost

Type of Capacitor – Dual run capacitors (used in most AC units) cost more than single-run or start capacitors.
Brand & Quality – OEM (original equipment) capacitors are pricier than generic ones.
Labor Rates – HVAC technician rates vary by location (50 –50–150 per hour).
Emergency Service – After-hours or weekend repairs may add 20-50% to the total cost.
Warranty Coverage – If your HVAC system is under warranty, capacitor replacement may be partially or fully covered.

Can You Replace an HVAC Capacitor Yourself?

While capacitors are relatively inexpensive (15 –15–80 for the part), DIY replacement is risky if you’re not experienced. Capacitors store high-voltage electricity, and improper handling can lead to electric shock or damage to your HVAC system. Hiring a licensed technician ensures safety and correct installation.

Tips to Save on HVAC Capacitor Replacement

Compare Quotes – Get estimates from at least 3 local HVAC companies.
Check Warranty – Some HVAC manufacturers cover parts for 5-10 years.
Prevent Future Failures – Regular maintenance (like annual tune-ups) can extend capacitor life.