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5 hvac pros serving Saint Charles, MO. Compare experience, team size and the work they do, then contact them directly — Fixerlane never charges customers.

Top pros for your project

1. ARCO Heating & Cooling

Saint Charles, MO63 years in business9 employees

ARCO Heating & Cooling is a central air repair technician serving Saint Charles, MO. A team of 9, the business has been operating for 63 years. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Typical jobs for central air conditioning repair in Saint Charles include clogged condensate drain line, AC not cooling diagnosis, contactor replacement, condenser fan motor repair and thermostat troubleshooting. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Describe exactly what the system is doing, such as blowing warm air or refusing to turn on, and note the thermostat setting and any displayed error codes. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Besides Saint Charles, homeowners in Earth City, Bridgeton and Hazelwood can reach out for central air conditioning repair. Posted hours are Monday to Friday, 8:00 am to 4:00 pm. Accepted payment methods include Cash, Check and Credit card. To get started, send ARCO Heating & Cooling a request on Fixerlane with the details of your project.

2. ILLY HVAC

Saint Charles, MO11 years in business5 employees

ILLY HVAC is a furnace installation company serving Saint Charles, MO. A team of 5, the business has been operating for 11 years. Furnace installation involves removing the old unit, setting the new one, and connecting gas, electrical, venting, and ductwork. High-efficiency models also need a condensate drain and often new plastic venting. Once installed, the system is started, gas pressure and temperature rise are checked, and the thermostat is set up. Typical jobs for furnace installation in Saint Charles include variable-speed blower upgrades, condensate drain installation, furnace and AC system replacement, furnace sizing and load calculation and gas furnace replacement. ILLY HVAC is also listed for duct and vent cleaning. Uneven heating between rooms, rising gas bills, or a system that runs constantly on cold days can mean the current unit no longer fits the home. Share the home's square footage, age, number of stories, and any rooms that are consistently too hot or too cold. Furnace efficiency, capacity, and blower type are the largest price factors, along with the brand and whether the air conditioner is replaced too. Customers in Saint Charles and nearby areas such as Earth City, Bridgeton and Hazelwood can request a quote. Posted hours are Monday to Friday, 9:00 am to 5:00 pm. Accepted payment methods include Cash, Check, Credit card, Stripe and Venmo. To get started, send ILLY HVAC a request on Fixerlane with the details of your project.

3. Assured Heating and Cooling

Saint Charles, MO6 years in business5 employees

Assured Heating and Cooling is a furnace repair technician serving Saint Charles, MO. The business has been operating for 6 years with a team of 5. Many furnace problems trace back to airflow or maintenance. A clogged filter can trip safety limits and shut the burners off, while a blocked condensate drain can stop a high-efficiency unit entirely. Repairs often pair the failed part with cleaning so the system runs reliably through the rest of the season. Typical jobs for furnace repair in Saint Charles include inducer motor replacement, ignitor replacement, flame sensor cleaning, furnace not turning on and blower motor repair. Rooms that never reach the set temperature, or heating bills climbing without a change in use, can mean the furnace is struggling. Describe exactly what happens when heat is called, such as clicking, no response, or cold air, and when the problem started. The failed component drives most of the cost, since a flame sensor cleaning is simple while a blower motor or control board involves more expensive parts. Customers in Saint Charles and nearby areas such as Earth City, Bridgeton and Hazelwood can request a quote. Posted hours are Monday to Friday, 7:00 am to 4:00 pm. Accepted payment methods include Apple Pay, Cash, Check and Credit card. To get started, send Assured Heating and Cooling a request on Fixerlane with the details of your project.

4. Mazin Cooling & Heating

Saint Charles, MO6 years in business

Mazin Cooling & Heating provides central air conditioning repair in Saint Charles, MO. The business has been operating for 6 years. During hot stretches in Saint Charles, the most frequent repair calls involve iced-over coils, outdoor fans that will not spin, and water pooling near the indoor unit. Each symptom has several possible causes, and a repair visit narrows the list down with testing before any parts are ordered or replaced. Common requests for central air conditioning repair include contactor replacement, condenser fan motor repair, frozen evaporator coil, AC not cooling diagnosis and compressor diagnosis. Mazin Cooling & Heating is also listed for duct and vent cleaning. Short cycling, rising humidity indoors, and water leaking near the furnace or air handler are common early signs that an air conditioning system has a problem. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Customers in Saint Charles and nearby areas such as Earth City, Bridgeton and Hazelwood can request a quote. Posted hours are Monday to Sunday, 8:00 am to 8:00 pm. To get started, send Mazin Cooling & Heating a request on Fixerlane with the details of your project.

5. Gonzalez HVAC Services

Saint Charles, MO4 years in business

Gonzalez HVAC Services provides central air conditioning repair in Saint Charles, MO. The business has been operating for 4 years. During hot stretches in Saint Charles, the most frequent repair calls involve iced-over coils, outdoor fans that will not spin, and water pooling near the indoor unit. Each symptom has several possible causes, and a repair visit narrows the list down with testing before any parts are ordered or replaced. On their profile, Gonzalez HVAC Services lists a/c services needed: repair and routine maintenance; property type: house, condo/apartment, townhouse and business. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Besides Saint Charles, homeowners in Earth City, Bridgeton and Hazelwood can reach out for central air conditioning repair. Posted hours are Monday to Friday, 12:00 pm to 3:00 pm. Accepted payment methods include Cash, Check, Credit card and Venmo. Request a quote from Gonzalez HVAC Services on Fixerlane and describe the job you need done.

HVAC near Saint Charles

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