Your HVAC and plumbing systems are essential parts of your St. Charles home. You could face discomfort and even property damage if they aren’t working correctly. That’s why you need to keep the number of a trusted home services company on hand for any unexpected problems.
Classic Aire Care is a family-owned company providing top-notch plumbing and HVAC services for homeowners and business owners in and around St. Charles, MO. Our highly trained team is available 24 hours a day, 7 days a week for our client’s heating, cooling, and plumbing needs.Â
Furnace Repair & Installation Services

It can get downright freezing in St. Charles during the winter. You must be sure you can rely on your heating system to keep your family warm. Classic Aire Care provides heating services for residential and commercial clients. Turn to us for:
- Furnace installation, repair, or maintenance
- Boiler installation, repair, or replacement
- Heat pump installation, repair, or replacement
We can also perform routine maintenance to help prevent costly heating repairs in the future.
Contact Classic Aire Care online or call (314) 329-1943 to set up plumbing or HVAC services in St. Charles, MO.
Air Conditioning Repair & Replacement Services

Stay cool all summer by keeping your air conditioner in tip-top shape. You can count on Classic Aire Care for reliable cooling services. We’ll make sure you aren’t sweating once the temperatures soar.
Our skilled HVAC technicians can perform air conditioning installation, replacement, repair, or maintenance services for your:
- Central AC unit
- Heat pump
- Ductless mini-split system
- Commercial AC unit
To schedule air conditioning services in St. Charles, MO, reach out to Classic Aire Care online or call (314) 329-1943.
Plumbing Repair Services

Plumbing problems are inconvenient, messy, and difficult to fix without help from a professional. You can rely on our team for the plumbing services you need. We handle plumbing installations, replacements, and repairs for homeowners. Whether you want a new water heater or need drain cleaning services, you can rest assured we’ll do the job right.
Commercial HVAC & Plumbing Services in St. Charles, MO
HVAC or plumbing problems can cause considerable disruption to your business. Keep your customers happy and your business running smoothly by taking care of plumbing or HVAC issues ASAP. Our company offers commercial air conditioning, heating, and plumbing services for business owners in our community. You can expect us to treat you like you treat your customers: We’ll show up on time, provide honest pricing, and get the job done right the first time.
If you need commercial heating, air conditioning, or plumbing services in St. Charles, MO, contact Classic Aire Care online or call (314) 329-1943 today.
Why Choose Classic Aire Care?
Trust Classic Aire Care for your residential or commercial HVAC and plumbing needs in St. Charles. We’re available 24 hours a day, 7 days a week to fix any heating, cooling, or plumbing issues. We’ve been helping our clients stay comfortable since 1926, and our reviews show why we’re still a top choice for home services in our community. Our job is only done once you’re 100% satisfied with our work.
Contact Classic Aire Care online or call (314) 329-1943 today to make an appointment with our home service company in St. Charles, MO.
Recent Jobs and Reviews in Saint Charles, MO
Saint Charles, MO at a glance
Classic Aire Care has completed 20 jobs in Saint Charles, MO between July 2026 and August 2026.
The most recent job was on August 7, 2026.
Classic Aire Care has completed 499 jobs in Saint Charles, MO in the last 12 months.
Job Locations and Reviews
# HVAC Tune-Up Summary Performed comprehensive preventive maintenance tune-up on a ground-mounted Lennox air conditioning unit located on the side of the residence. Service included inspection of electrical components, ductwork connections, and refrigerant lines to ensure proper system operation and efficiency. --- ## Work Performed Completed scheduled preventive maintenance on a single outdoor Lennox AC condenser unit positioned on a concrete pad. Conducted thorough inspection of the unit's exterior cabinet, which showed normal weathering consistent with outdoor installation. Verified electrical connections at the control box, noting green wiring connections were secure. Inspected the conduit and refrigerant line entry points at the unit top for proper sealing. Examined interior ductwork and air handling components, including sheet metal duct connections and flexible ducting. Verified all duct seams and joints were properly sealed. Inspected electrical control panel with perforat
Completed comprehensive cooling season tune-up on 9-year-old Lennox air conditioning system. Performed standard maintenance protocol including inspection of air handler unit, electrical connections, control board, and ductwork connections. Observed moisture accumulation and water staining on concrete floor beneath unit, indicating potential condensate drain issue requiring monitoring or future attention.
Returned to site to evaluate frozen air conditioning unit that had been turned off during previous visit. Connected diagnostic gauges to measure system pressures and temperatures, obtaining readings of 51°F and 66.6°F to assess current operating conditions and verify system had properly thawed before proceeding with further diagnostics.
Completed comprehensive cooling season tune-up on ductless mini-split system, servicing both indoor wall-mounted evaporator unit and outdoor condenser unit. Performed standard maintenance procedures including filter cleaning, coil inspection, refrigerant level verification, electrical connection testing, and operational assessment of all system components. All equipment found to be functioning within manufacturer specifications with no deficiencies noted.
Responded to emergency call for water leak from HVAC equipment in basement. Upon arrival, found corroded copper drain connection at condensate line causing active water discharge onto floor. Advised immediate system shutdown to prevent further water damage. Inspected PVC condensate piping system and identified significant corrosion and mineral buildup at copper-to-PVC transition point, with visible deterioration compromising drain integrity. Documented existing conditions with photographs showing extent of corrosion and mineral deposits blocking proper drainage flow.
Completed installation of two electrical outlets in the kitchen area. Work involved running appropriate wiring through basement ceiling joists, securing electrical boxes, and making proper connections to ensure code-compliant operation. All outlets tested and verified functional upon completion.
Completed comprehensive cooling system tune-up on basement-located AC unit. Inspected evaporator coil assembly and noted moderate dust and dirt accumulation on fins requiring attention during maintenance; verified control board connections and wiring harness integrity within air handler cabinet. All system components inspected and unit operational upon completion of scheduled preventive maintenance service.
Performed system recharge with R-410A refrigerant on residential air conditioning unit. Used diagnostic equipment to verify proper refrigerant levels and system pressures following the recharge procedure.
Completed comprehensive tune-up service on 17-year-old Lennox furnace, 17-year-old Lennox air conditioning system, and 15-year-old Healthy Climate humidifier in preparation for home sale requirements. Performed thorough inspection, cleaning, and operational testing of all HVAC components including furnace burners, heat exchanger, blower assembly, evaporator coil, condensing unit, and humidifier pad and water panel. Replaced air filter with new pleated filter and verified proper airflow throughout system. Inspected exterior condensing unit and associated refrigerant lines, noting visible corrosion on exterior piping and connections that is consistent with age and outdoor exposure but not currently affecting system performance. Checked electrical connections, motor operation, and control functions on all equipment. Verified thermostat operation and system cycling. All systems tested and confirmed operational with no immediate service needs identified. Humidifier inspected and serviced pe
Completed installation of dedicated circuit with GFCI protection, including exterior weatherproof outlet box with wet location rating mounted on building siding and interior duplex receptacles. All outlets tested and verified operational per code requirements.
Responded to reported water leak under gas water heater in basement. Completed installation of replacement tanked gas water heater with new expansion tank mounted on top. Connected copper supply lines, installed proper venting with flexible ductwork, and verified all connections for leaks. Unit tested and operational upon completion.
Completed comprehensive cooling tune-up on Coleman AC unit located at rear of property. Performed standard maintenance protocol including system inspection, electrical diagnostics with amperage readings, and operational testing. Unit operating within normal parameters with measured current draw of 4.269 amps, indicating proper compressor function and system efficiency.
Responded to service call for non-functional garbage disposal switch. Inspected double-gang switch plate at kitchen backsplash and verified electrical panel circuit breaker configuration. Troubleshot 12-5 switch circuit, identified issue, and restored proper operation to garbage disposal control switch.
Responded to service call for thermostat displaying two dashes while system continued to cool properly. Upon inspection, found Trane digital thermostat experiencing communication error between display and HVAC system, though cooling operation remained functional. Verified thermostat functionality, cycled power to reset communication protocol, and confirmed proper temperature readings and system response restored with display showing correct indoor/outdoor temperatures and humidity levels.
Completed annual cooling maintenance tune-up on HVAC system. Performed comprehensive system inspection, checked refrigerant levels, tested electrical connections and controls, cleaned condenser coils, verified thermostat operation, and replaced air filter. System is operating properly with no issues found.
Responded to no cooling call on 10+ year old system with reported loud noise and inoperative fan. Upon inspection, found failed dual run capacitor on outdoor condensing unit with visible corrosion and white residue buildup on terminals. Replaced defective capacitor, restoring proper operation to condenser fan motor and compressor. System tested and confirmed cooling normally with no abnormal noise.
Responded to no cooling complaint on 10-year-old residential air conditioning system with ground-level condenser unit. Performed comprehensive diagnostic evaluation after unit was shut down as previously advised. Utilized digital measurement instruments to assess supply air temperature and system performance at ceiling registers. Conducted thorough testing of electrical components and airflow measurements to identify root cause of cooling deficiency.
Responded to urgent service callback for HVAC system displaying Error Code/Alarm ID #163. Upon arrival, inspected mechanical equipment and ductwork in confined utility space, documenting existing conditions including aged copper piping with moisture-related patina and dust accumulation on system components. Addressed the error code issue, performed necessary system diagnostics and repairs. Provided additional air filters as part of energy efficiency program requirements and completed all corrective actions to restore normal system operation.
Responded to no cooling call on 10+ year old ground-level outdoor condensing unit located in backyard. Upon arrival, performed diagnostic inspection of both outdoor condenser and indoor air handler/furnace system. Evaluated condenser unit operation, checked refrigerant pressures, inspected electrical components, and verified proper fan motor function. Assessed indoor equipment including blower operation and thermostat communication. System restored to proper cooling operation after completing necessary service procedures.
Responded to service call for two non-functional outdoor outlets following rain storm. Upon inspection, traced circuit to exterior electrical service panel and identified moisture intrusion causing GFCI protection to trip. Reset breaker, tested both outdoor receptacles for proper operation, and verified ground fault protection functioning correctly. All outlets restored to full working condition.