AC Freezing Up

high priority

Ice forming on AC unit or indoor coil

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Understanding This Problem

Ice on your AC seems counterintuitive, but it indicates a serious problem. A frozen AC cannot cool properly and can damage the compressor if not addressed.

Common Causes

Restricted airflow from dirty filter
Low refrigerant charge
Dirty evaporator coil
Blower motor problems
Collapsed ductwork
Running AC in cold weather

What You Can Do

Turn off AC and let ice melt (2-4 hours)
Replace air filter
Check for blocked vents
Inspect blower operation
Call for refrigerant check

Prevention Tips

  • Never run AC below 60°F outdoor temperature
  • Change filters regularly
  • Annual professional cleaning
High Priority

This issue should be addressed promptly to avoid damage or discomfort.

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Services That Can Help

AC Repair

Fast, reliable air conditioning repairs.

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Coil Cleaning

Evaporator and condenser coil cleaning.

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Refrigerant Recharge

AC refrigerant leak repair and recharge.

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Related Cooling Issues

AC Not Cooling

medium

Air conditioner runs but doesn't cool the house

AC Blowing Warm Air

high

Air conditioner blows room temperature or warm air

AC Short Cycling

medium

AC turns on and off frequently without completing cooling cycle

View All HVAC Problems

Get Help in Your Area

We serve homeowners throughout the Bay Area experiencing this issue:

Menlo ParkPalo AltoAthertonRedwood CitySan CarlosBelmontSan MateoFoster CityBurlingameHillsboroughWoodsidePortola Valley
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More Helpful Resources

FAQs

Common HVAC questions answered

HVAC Blog

Tips, guides, and maintenance advice

Maintenance Plans

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