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 in October 2026.
The most recent job was on October 16, 2026.
Classic Aire Care has completed 497 jobs in Saint Charles, MO in the last 12 months.
Job Locations and Reviews
Performed routine heating tune-up on a 10+ year-old gas furnace and ductless unit, inspecting the burner assembly, gas valve, inducer motor, pressure switch, venting, and wiring connections. Found heavy rust and corrosion on the gas supply piping and fittings near the burner assembly, along with staining on the burner housing and a disconnected crimp terminal on a green wire; recommend further evaluation and repair of the corroded gas piping. System was operating properly at the time of service.
Performed a seasonal heating tune-up on a Goodman furnace, inspecting internal wiring and components and measuring amp draw with a clamp meter to verify proper electrical operation. Checked supply duct temperatures to confirm normal heating performance; the system was operating properly with no faults or symptoms found. Noted cracked and deteriorated insulation on the refrigerant line set, which should be replaced to prevent energy loss and condensation issues.
Performed a heating tune-up on two gas furnace units, including inspection of the burner assembly, flue venting, and heat exchanger, along with cleaning and testing of safety controls and ignition components. Verified proper combustion, draft, and airflow through the plenum and ductwork; no visible rust, frost, or damage was found, and both units were operating normally at completion.
Performed an on-site estimate for new light fixture installation in a kitchenette area, assessing the existing flush-mount ceiling fixture in the drop ceiling and the three-light vanity-style fixture above the sink, along with nearby switch and receptacle locations. Documented existing conditions and confirmed no visible damage or code concerns, with the work scope prepared for fixture replacement.
Performed a complete tune-up on a single gas furnace, including inspection of the blower motor assembly, control board, wiring, pressure switch, and condensate/PVC piping. Verified electrical operation with a clamp meter, measuring amperage draw on the blower circuit, and removed accumulated dust and debris from the cabinet interior. Confirmed the filter housing and components were in proper working order.
Performed a seasonal tune-up on one 9-year-old gas furnace, including inspection of the unit and verification of operation in heat mode. Inspected the return air filter and confirmed proper airflow components. Verified thermostat communication and operation, noting a wireless signal fault indicator and cracking in the wall surface around the thermostat mounting.
Diagnosed a thermostat with no power or display and a furnace running continuously by inspecting the low-voltage control circuit, including the 24V transformer, wiring connections, and control board. Verified the transformer and low-voltage wiring at the furnace control board, restored 24V power to the thermostat circuit, and confirmed the furnace now cycles on and off normally in response to thermostat calls for heat.
Performed a tune-up on the basement furnace, including inspection and cleaning of the flame sensor and removal and servicing of the igniter assembly. Verified electrical operation with a digital clamp meter, checking amperage draw and control circuit readings to confirm proper function of the unit. Reassembled all components and confirmed the furnace was operating correctly at completion.
Performed a tune-up on one gas furnace, including inspection of the electrical and gas connections and verification of the blower and control wiring. Tested the capacitor with a calibrated clamp multimeter, measuring approximately 4.7 µF, and checked amperage and voltage draw on the electrical components to confirm they were operating within manufacturer specifications. System was left in working order.
Performed a heating tune-up on one 1-year-old furnace, including inspection and testing of system operation. Verified thermostat communication and heat call at the Emerson digital thermostat, confirming the furnace responded properly with the heating cycle active and room temperature at 72°F against an 81°F set point. System is operating normally.
Responded to a callback for a standby generator reporting conflicting run status and erratic mode switching. Connected to the unit via the mobile app and performed a full firmware update on the connectivity accessory (v1.11.1), controller (v1.6.2), and ECU (G22AB14901), all completed successfully. Verified the control panel is operating normally in AUTO mode with the service indicator displayed and no visible damage or faults.
Installed a new bathroom exhaust fan in the ceiling, replacing the existing fan housing that was clogged with dust and debris. Secured the unit flush to the textured ceiling, completed the electrical connections, and tested the fan for proper operation and airflow.
Installed a ceiling fan in the living room and a ventilation fan in the bathroom, including mounting, wiring connections to the existing circuits, and operational testing of each unit. Verified the service panel and exterior meter and service entrance equipment were intact and in good condition, with no visible damage or anomalies.
Performed a seasonal heating tune-up on one gas furnace (under 10 years old), including inspection of the blower assembly, burners, heat exchanger, and safety controls, and verified proper ignition sequence and heating operation. Inspected the return air filter cabinet and installed a new 3M pleated air filter to restore proper airflow and system efficiency, noting light surface dust and minor rust staining on the cabinet interior.
Responded to a no-cool call on a single residential split system reporting a frozen evaporator coil and a humming noise at the blower motor. Inspected the air handler control compartment, including the low-voltage wiring and blower relay connections, and found no visible damage, burning, or corrosion at the terminals. Diagnosis of the blower motor circuit was performed, and the unit was evaluated for the cause of the coil freeze-up and loss of airflow.
Completed electrical rewire installation including installation of new duplex receptacle outlets in multiple locations throughout the property. Installed code-compliant beige duplex receptacles on ceiling and wall surfaces with proper grounding and secure mounting to existing electrical boxes.
Completed annual heating maintenance and tune-up on 3-year-old Lennox furnace system. Performed comprehensive inspection of all components including burners, heat exchanger, blower assembly, and ductwork connections. System tested and confirmed operating properly with all safety controls functioning as designed, ready for winter season operation.
Relocated electrical junction box from behind built-in stove area to adjacent cabinet location to accommodate new kitchen cabinet and stove installation. Verified proper circuit identification at main electrical panel and ensured all connections met code requirements for cooktop circuit accessibility and safety.
Completed O10 heating tune-up on basement furnace unit. Performed comprehensive inspection of aging system showing significant wear and surface corrosion on cabinet housing. Checked blower motor assembly, drive belt tension and condition, electrical connections, and ductwork. All components operational and system running within acceptable parameters despite age-related deterioration of exterior surfaces.
Completed comprehensive heating tune-up on 3-year-old Lennox furnace located in basement. Performed full system inspection including temperature differential testing, verified proper airflow through heat exchanger, inspected all electrical connections and wiring, checked gas pressure and burner operation, and examined venting system integrity. All components found operating within manufacturer specifications with no deficiencies noted.