How Much Does Frozen AC Coil Cost?
Ice on the coil or refrigerant lines is caused by airflow restriction or low refrigerant.
How much does frozen ac coil cost?
Ice on the coil or refrigerant lines is caused by airflow restriction or low refrigerant. Most homeowners pay between $125 and $800 nationally, with a typical cost around $375. Use our calculator to adjust this range for your ZIP code.
What affects the price
- Airflow (filter/duct) vs. refrigerant cause
- Coil cleaning
- Refrigerant recharge
Repair vs. replacement
Repair; recurring freezing on an old unit may signal replacement.
Questions to ask your contractor
- What caused the freeze-up?
- Will it recur?
When to call a professional
Yes — improper thawing and refrigerant work can damage the system.
How we calculate this estimate
We start from national labor and materials benchmarks and apply a local cost factor based on your ZIP code and metro area, plus job complexity. Estimates are informational; actual contractor pricing may vary. Last reviewed 2026-05-01.
Frequently asked questions
What is the average cost of frozen ac coil?
Nationally, frozen ac coil typically runs around $375, with most jobs between $125 and $800. Your local price is adjusted by ZIP code.
Should I repair or replace?
Repair; recurring freezing on an old unit may signal replacement.
When should I call a professional?
Yes — improper thawing and refrigerant work can damage the system.