Heating, Cooling, and Plumbing Services in Chesterfield, MO

Responded to no cooling complaint on 10+ year old residential AC unit located on side of home. Upon arrival, found unit had been shut off by homeowner with indoor temperature remaining in the 70s. Performed diagnostic evaluation of outdoor condenser unit and associated electrical components including disconnect box and conduit connections mounted on exterior siding.

Replaced defective A2L control board on heating and cooling system. Documented serial numbers from both old and new RDS boards per protocol (new board SN: Z5M337A0246, PN: 107970-02, FW: 1.01.5005, HW: B). Original board retained for warranty processing.

Responded to report of water dripping into lower level bedroom. Upon inspection, accessed ceiling cavity and identified water staining on wooden joists and structural members. Created access opening in ceiling to investigate source of moisture intrusion. Documented conditions with photos showing discoloration on framing members and concrete foundation walls, indicating active or recent water infiltration from above living space.

Responded to customer complaint of restricted airflow to certain rooms in residence. Performed system evaluation on two HVAC units located in side yard, both over 10 years old. Identified severely clogged air filters as primary cause of reduced airflow throughout the home. Removed dirty filters and installed new AIRGUARD pleated media filters in both systems to restore proper air circulation and system efficiency.

# HVAC Service Completed - No Cooling Issue Resolved Responded to service call for upstairs air conditioning unit blowing warm air with no cooling capability. Upon arrival, performed visual inspection of outdoor condensing unit and identified severely restricted airflow due to heavy accumulation of dust, dirt, and debris on exterior coil surfaces and filter panels. Documented existing unit condition showing substantial buildup of beige/tan colored contaminants covering intake panels and coil fins, significantly impeding heat exchange efficiency. The thick layer of debris was restricting proper airflow through the condenser coil, preventing adequate heat rejection and causing the warm air complaint. Performed thorough cleaning of outdoor unit including: - Removal of debris and dirt accumulation from condenser coil surfaces - Cleaning of exterior filter panels and intake grilles - Clearing of fan grille and top discharge area - Inspection of unit foundation and base pad Noted unit ex

Performed main line cleanout and hydro-flush service in basement area. Camera inspection revealed rust buildup and corrosion on interior pipe walls, with mineral deposits present throughout the line. Successfully completed hydro-jetting procedure to clear blockages and restore proper drainage flow.

Responded to service call for secondary HVAC unit that would not shut off. Upon arrival, inspected one-month-old outdoor unit and verified continuous operation issue. Examined internal components including refrigerant lines, electrical connections, and control wiring. Unit was covered under first-year warranty and issue was documented with photographs of interior components showing copper refrigerant piping, drainage pan, heat exchanger coils, and mounting hardware for diagnostic purposes.

Completed thermostat replacement service on a 7-year-old residential cooling system located at the side of the home. Removed existing Nest thermostat per customer request and installed alternative thermostat unit, ensuring proper wiring connections and system compatibility. Performed standard cooling tune-up procedures including inspection of blower motor assembly and verification of airflow through return air grille, confirming system operational status upon completion.

Responded to service callback for newly installed Lennox system experiencing control issues with zone actuators failing to respond to close commands and requiring manual operation via Honeywell control panel with red LED fault indicators. Diagnosed faulty control board (PN:107970-02, FW: 1.01.5005) preventing proper relay operation, causing fan and condenser to run continuously despite system shutdown commands. Documented circuit board condition and relay configuration for warranty replacement processing.

Completed comprehensive cooling maintenance tune-up on a 9-year-old air conditioning system that had not been serviced in 2 years. Performed full system inspection including examination of the evaporator coil and blower wheel assembly using inspection camera to verify cleanliness and proper operation. All components were found to be functioning properly with system operating within normal parameters.

Completed comprehensive cooling system tune-up on single ground-level outdoor AC unit. Performed electrical diagnostics using digital multimeter, recording voltage readings at 100.5VAC to verify proper power supply to system. Inspected blower assembly and motor within air handler unit, confirmed all electrical connections secure, and verified centrifugal fan wheel operation and airflow performance meets manufacturer specifications.

# HVAC Cooling System Tune-Up Completed Performed comprehensive cooling system tune-up on basement-located air conditioning unit. Conducted standard preventive maintenance procedures including inspection of outdoor condenser unit, which showed moderate exterior corrosion on protective grille and copper refrigerant lines consistent with normal outdoor exposure. Evaluated indoor air handler components and documented heavily soiled air filter with significant dust and debris accumulation throughout pleated media, indicating need for replacement to maintain proper airflow and system efficiency. All maintenance procedures completed per O10 tune-up protocol, with photographic documentation provided to property management for records.

Responded to dual bathroom sink clog in 1960s-era home where both fixtures were connected to shared drainage system. Assessed widespread faucet configuration with brushed nickel finish on marble countertop and undermount porcelain basins. Cleared obstruction from common drain line serving both sinks, restoring proper drainage and flow to both fixtures. Tested both basins for complete water evacuation and verified no backup between connected sinks.

Completed comprehensive cooling system tune-up on outdoor condensing unit located on side of property. Performed standard maintenance protocol including inspection of evaporator coil which showed proper operation with normal condensation present, verified supply register airflow and condition, and confirmed system is functioning within manufacturer specifications for the cooling season.

Completed comprehensive preventive maintenance tune-up on a cooling system over 10 years old located in side yard. Performed full system inspection including air handler components, blower motor assembly, electrical connections, and return air grille. Verified proper operation of blower motor, inspected capacitor for signs of wear, and checked all electrical connections for secure contact. Documented equipment condition with photos showing internal components and air distribution system.

Installed 75-gallon gas tall water heater in basement mechanical room with proper copper piping connections to supply and distribution lines. Equipment was set up per manufacturer specifications with all required safety labels visible, expansion tank secured with metal strapping, and connections to existing HVAC system verified. Permit obtained and installation financed through service financing program.

Responded to no cooling call for residential HVAC system struggling to maintain temperature. Performed diagnostic evaluation of split system including indoor air handler and outdoor condensing unit. Inspected refrigerant lines, electrical connections, and overall system operation to identify cooling deficiency and provide recommendations for restoring proper system performance.

Replaced defective blower motor and air handler control board on second floor cooling system unit serial number 1624a09130. Removed failed control board and installed new replacement board, reconnecting all terminal blocks and wiring connections for blower, heating, and humidification circuits. Installed new blower motor assembly, verified proper electrical connections, and tested system operation to confirm cooling function restored.

Performed preventive maintenance on 12-year-old Lennox air conditioning system with ground-level condenser unit. Replaced air filter and conducted comprehensive system inspection to identify potential issues. During inspection, discovered significant corrosion at refrigerant line penetration point on cabinet housing, with visible rust damage around connection junction indicating moisture intrusion over time. Observed heavy condensation on suction line insulation, confirming proper refrigerant flow and system operation. Verified all refrigerant line connections, fittings, and insulation integrity. System currently operating within normal parameters despite age-related corrosion on cabinet components.

Responded to no cooling complaint on ground-mounted unit U10. Upon inspection, discovered failed control board with visible heat damage to power resistor component and signs of electrical stress on PCB. Evidence of thermal failure included discoloration, burn marks, and component degradation around white ceramic resistor and surrounding circuitry. Replaced defective control board, verified proper electrical connections, and tested system operation. Unit restored to full cooling capacity with all safety controls functioning properly.