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Car A/C Repair Shops in St Charles, MO

8 of the 58 auto repair shops we list in St Charles have car air conditioning repair.

When the air blows warm, a recharge alone may not fix it — a leak, a failed compressor or an electrical fault is often the real cause. Every shop here names car A/C repair or recharge service in its business name, listing or on its own website.

  1. LTS Automotive - a Main Street Auto shop

    923 1st Capitol Dr, St Charles, MO 63301

    Mon–Fri 7:30am–5:30pm, Sat closed, Sun closed

    Smog & emissionsState inspectionTransmission repairEuropean & importA/C repairFinancing
    Call Website Directions

  2. Ace Tire & Auto Services

    1761 S River Rd, St Charles, MO 63303

    Mon–Fri 8am–5:30pm, Sat 8am–1pm, Sun closed

    Smog & emissionsState inspectionA/C repairBody & collision
    Call Website Directions

  3. Affordable Automotive Care and Tires

    3425 New Town Blvd, St Charles, MO 63301

    Mon–Thu 8am–5pm, Fri 7am–4pm, Sat closed, Sun closed

    Smog & emissionsState inspectionDiesel & truckA/C repair
    Call Website Directions

  4. Coffey Automotive

    2060 Exchange Dr, St Charles, MO 63303

    Mon–Fri 8am–5pm, Sat closed, Sun closed

    Smog & emissionsState inspectionTransmission repairDiesel & truckMuffler & exhaustA/C repairFinancingLoaner or shuttle
    Call Website Directions

  5. AAMCO Transmissions

    3625 Harvester Road, St Charles, MO 63303

    Smog & emissionsState inspectionTransmission repairA/C repairFinancing
    Call Website Directions

  6. A One Auto Repair

    214 Spring Dr, St Charles, MO 63303

    Transmission repairA/C repairFree estimatesTowing
    Call Website Directions

  7. CAL Automotive

    2727 Veterans Memorial Pkwy, St Charles, MO 63303

    Smog & emissionsState inspectionTransmission repairMuffler & exhaustA/C repair
    Call Website Directions

  8. Jac's Automotive

    1513 N 2nd St, St Charles, MO 63301

    State inspectionMuffler & exhaustA/C repair
    Call Website Directions
Ask for a leak test before a recharge. If the system is low on refrigerant, it leaked out somewhere, and topping it up without finding the leak means paying again. Newer cars use R-1234yf refrigerant, which costs more than the older R-134a — ask which one your car takes.

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Good to know

How much does a car A/C recharge cost?

A recharge with a leak check typically costs about $150–300 for older R-134a systems and more for newer R-1234yf systems; replacing a compressor can cost $800–1,500 or more.

Why is my car A/C blowing hot air?

Common causes are low refrigerant from a leak, a failed compressor or clutch, a blocked condenser, or a blown fuse or relay. A shop finds the cause with a pressure test and a leak check.