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Logo of J.A. Bertsch Heating and Cooling. J.A. Bertsch Heating and Cooling offers HVAC or electrical services near Coeur d'Alene, CDA, Post Falls, Hayden, Rathdrum, Sandpoint, Spirit Lake, St Maries, Athol, Blanchard, Dalton Gardens, Worley, Plummer, and Harrison, ID. Services include thermostat, furnace, heat pump, boiler, fireplace, air conditioner, and water heater installation, maintenance, or repair.
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How to Tell If Your AC Needs Freon

Your air conditioner relies on the right Freon (refrigerant) levels to stay cool and efficient. Over time, the system may develop leaks or consume refrigerant, which can drastically reduce performance. Being able to spot the signs early helps prevent costly breakdowns and keeps your home comfortable.

Common Signs Your AC Needs Freon

  1. Warm or Lukewarm Air from Vents
    If your AC isn’t delivering cold air, low refrigerant is a frequent cause. This happens because the system lacks the necessary Freon to absorb heat and cool air effectively.

  2. Longer Cooling Cycles
    When the AC takes much longer than usual—or runs constantly without reaching the set temperature—low refrigerant levels could be to blame. This overworks the system, increasing energy usage.

  3. Ice Buildup on Coils
    Low Freon leads to coils freezing over. You might notice ice on the evaporator coil or even frost on the refrigerant lines. If so, turn off the unit and call for service.

  4. Hissing or Bubbling Sounds
    A potential refrigerant leak in the system may produce unusual sounds like hissing or bubbling. These are clear indicators that your system should be inspected promptly.

  5. Increased Energy Bills
    Comparing monthly utility costs can reveal inefficiencies. A sudden spike in cooling costs—even without changing usage habits—often points to low Freon.

Why Addressing Low Refrigerant Quickly Matters

  • Improves Cooling Efficiency: Restoring proper Freon levels results in cooler air and shorter operating cycles.

  • Prevents Compressor Damage: Running low can cause the compressor to overheat, leading to expensive issues.

  • Boosts Longevity: Regular maintenance keeps the entire HVAC system operating smoothly, saving money over time.

  • Supports Indoor Air Comfort: Efficient systems improve air quality and regulate humidity.

What We Do at J.A. Bertsch

At J.A. Bertsch Heating and Cooling, we offer:

  • Professional AC inspections to analyze refrigerant levels, airtightness, and performance

  • Freon leak detection and targeted repairs to prevent recurring issues

  • Recharging refrigerant only with approved, eco-friendly coolant that matches your system

  • Preventative maintenance plans to maintain proper refrigerant levels and system health

We proudly serve homes in Coeur d’Alene, Post Falls, Hayden, Rathdrum, Sandpoint, and Spirit Lake.

Ready to Get Cool Again?

Don’t wait until the system fails completely. Our licensed technicians will ensure your AC operates efficiently and reliably—perfect for the summer heat.

FAQs

How much does it cost to replace Freon in an AC unit?

The cost to replace Freon in an AC unit typically ranges from $150 to $600, depending on the type of refrigerant used, the size of the system, and whether a leak needs to be repaired. Systems using R-22 (older units) are more expensive due to the phase-out of this refrigerant.

Why is Freon being banned?

Freon, also known as R-22, is being phased out because it contributes to ozone depletion and environmental harm. The EPA began limiting its production in 2010, and as of 2020, it is no longer manufactured or imported in the U.S. New systems now use more environmentally friendly alternatives like R-410A.

What is Freon for AC?

Freon is a brand name for a group of chemical refrigerants used in air conditioning systems to absorb heat from the indoor air and release it outside. Without refrigerant like Freon or R-410A, your AC can’t produce cold air.

How often should I add Freon to my AC?

Ideally, you should never need to add Freon to your AC unless there’s a refrigerant leak. Air conditioning systems are sealed, so any drop in refrigerant levels usually indicates a problem that needs professional attention.

How do I check the Freon level in my home AC?

You can’t check Freon levels accurately without specialized gauges and training. However, signs like warm air, ice on coils, or longer cooling times may suggest low refrigerant. A licensed HVAC technician should inspect the system to confirm and safely test pressure levels.

Need your AC checked for low Freon or refrigerant leaks? Call J.A. Bertsch Heating and Cooling at (208) 715-9694 or schedule a visit today!