HVAC & Plumbing Contractor in Clayton, MO

Responded to callback regarding contaminated tubing between HVAC units and Aprilaire humidifiers that had accumulated soot and mold buildup, which had been previously overlooked during prior service visits. Replaced all affected drain hoses connecting the dual Lennox units to their respective humidification systems, ensuring proper drainage and eliminating contamination hazard.

Responded to no cooling call on 10-year-old rooftop unit accessed via third-floor fire escape hatch. Upon inspection, found unit would not power on due to failed control board and defective hard start capacitor. Evaluated electrical components including control module, run capacitor, and potential relay system. Documented existing conditions showing compromised wiring connections and aging capacitor assembly requiring replacement to restore system operation.

Completed comprehensive cooling system tune-up on residential AC unit located on side of home. Performed standard maintenance protocol including system inspection, electrical testing with clamp meter showing 20.00 amp draw, and identified heavily soiled return air filter requiring attention due to significant dust and debris accumulation across louvers. All measurements within normal operating parameters; recommended filter cleaning or replacement to maintain optimal airflow and system efficiency.

Upgraded zoning system by replacing single-stage zone control board with multistage board and installing new 12x20 zone damper with motor orientation on 12" side due to parts availability. Added freeze-stat and discharge air sensor to new zone board, configured staging based on percentage of zones calling, and wired W2 and ds/bk terminals (clipped R-DS jumper) to enable reduced blower speed during single-zone air conditioning calls for improved comfort and efficiency.

Completed comprehensive cooling system tune-up on outdoor condenser unit located on side of home. Performed standard maintenance protocol including inspection of compressor operation, refrigerant level verification, electrical connection testing, condenser coil cleaning, fan motor lubrication, and airflow assessment. Unit operating within manufacturer specifications with no deficiencies noted. Indoor air handler components inspected, including ductwork connections and filter housing accessibility verified. System tested and confirmed proper cooling cycle operation upon completion.

Responded to no-cool call for 24-year-old attic-mounted system serving downstairs bedroom. Found condensate drain pan repeatedly filling and triggering safety float switch, causing unit shutdown. Cleared clogged condensate drain line, verified proper drainage flow, tested float switch operation, and confirmed system cooling properly without further condensate backup issues.

Responded to no-cooling complaint on 40-year-old residential air conditioning system. Upon arrival, performed diagnostic evaluation of outdoor condenser unit and indoor air handler located in attic space. Inspected electrical connections, refrigerant lines, and condensate drainage system to identify cause of reported water leak and unit failure. Documented equipment condition with photographs showing weathered condenser unit with visible vegetation growth and aging components, as well as attic-mounted air handler with PVC drain lines. System assessed for operational status and potential repair recommendations given advanced age of equipment.

Responded to callback for evaporator coil leak repair on R22 system. Upon arrival, accessed attic-mounted air handler and located U-shaped copper refrigerant line exhibiting significant discoloration and oxidation indicative of leak point. Attempted leak repair per service manager authorization, however, extensive corrosion observed on lower heat exchanger section with heavy rust buildup on fins suggested systemic deterioration. Applied leak sealant to affected copper piping connections and monitored for stability. Recharged system with R22 refrigerant to manufacturer specifications. Documented existing conditions including corroded evaporator coil sections and compromised heat exchanger fins through photographic evidence for customer records and future service reference.

Replaced failed dual capacitor on outdoor condensing unit. Removed defective 40/5 MFD capacitor, installed new TITAN PRO replacement, and verified proper electrical connections. Tested unit operation with multimeter to confirm proper voltage readings and successful system startup.

Completed cooling season tune-up on 16-year-old outdoor condensing unit. Inspected and cleaned evaporator coil, which showed minor dust accumulation between fins but remained in functional condition. Checked air filter condition at air handler, confirmed proper airflow, and verified all system components were operating within normal parameters for seasonal cooling operation.

Responded to service call for HVAC drain line repair in attic space. Upon inspection, found severely corroded copper condensate drain line with advanced oxidation and deterioration, exhibiting green verdigris patina throughout affected sections. Removed and disposed of failed drain line components. Installed approximately 30-35 feet of new PVC drain line with proper trap configuration to ensure adequate condensate removal. Utilized four 3/4-inch elbow fittings and two couplings to route new drain line appropriately through attic space and insulation. Verified proper pitch and drainage flow upon completion. System tested and operational.

Responded to no cooling complaint on 16-year-old Carrier air conditioning system. Upon inspection of attic-mounted air handler, diagnosed failed compressor contactor preventing outdoor unit operation while indoor blower continued to run. Previous customer attempt to resolve thermostat power issue by reconnecting C-wire was unrelated to current cooling failure. Replaced defective contactor, verified proper voltage to condensing unit, tested system operation through complete cooling cycle, and confirmed adequate airflow and temperature differential across evaporator coil.

Responded to no-cool complaint and found clogged condensate drain line on attic-located Lennox air conditioning unit causing water overflow and resulting ceiling stains. Cleared drain line obstruction, verified proper drainage flow, and tested system operation to confirm cooling function restored. Downstairs unit inspected and found operating normally with no issues detected.

Performed diagnostic evaluation on residential air conditioning system over 10 years old located at side of home. Accessed crawl space and inspected mechanical components including refrigerant lines, shut-off valves, and ductwork. Assessed condition of piping system, connections, and equipment housing in confined utility area beneath structure.

Responded to no cooling complaint on unit U10 located at rear of property. Upon arrival, located HVAC unit in basement utility area and performed diagnostic evaluation. Identified system malfunction preventing proper cooling operation and completed necessary repairs to restore unit to full functionality.

Responded to no cooling complaint on outdoor unit U10 located at side of home. Upon arrival, diagnosed OV converter error on main control board causing system to shut down and fail to produce cool air. Accessed unit exterior panel and performed diagnostic testing on circuit board and electrical connections. Identified faulty inverter control board as root cause of system failure. Replaced defective PCB with new control board, reconnected all wire harnesses including power, communication, and sensor connections. Verified proper voltage readings, tested system operation through full cooling cycle, and confirmed unit now operating normally with proper airflow and cooling output restored.

Completed trim-out installation of bathroom fixtures including shower assembly and lavatory plumbing. Installed chrome shower arm with mounting hardware and verified proper alignment and secure connection to supply lines. Connected P-trap assembly under vanity using PVC drainage components with threaded tailpiece, ensuring proper trap configuration and leak-free connections. Installed chrome shut-off valves for hot and cold water supply lines. All fixtures tested and verified operational with no leaks detected.

Completed comprehensive supertune maintenance on two 10-year-old HVAC systems. Performed full system inspection on indoor boiler unit including cleaning and testing of internal components, circuit boards, and electrical connections; verified proper operation of expansion tank, circulator pump, and pressure relief systems; inspected and tested all copper piping connections and fittings for leaks. Serviced outdoor condensing unit including cleaning of coils, testing capacitor and contactor connections, and verifying proper electrical connections at terminal block. Both systems tested and operating within manufacturer specifications upon completion.

Performed comprehensive cooling maintenance on 6-year-old Goodman HVAC system. Inspected and documented blower wheel assembly and blower motor operation, confirming proper function of squirrel cage fan, motor shaft coupling, and electrical connections. All components found in good working condition with system operating as designed.

Responded to emergency call regarding water accumulation on refrigerant lines of three rooftop HVAC units. Accessed equipment through attic space using ladder to inspect units and surrounding plumbing infrastructure. Upon inspection, discovered significant corrosion on adjacent plumbing pipes including heavily rusted horizontal piping with deteriorated metal fittings and support brackets. Confirmed HVAC refrigerant lines were operating normally with proper condensation patterns. Determined water source was from corroded plumbing system rather than HVAC equipment malfunction. Documented extensive rust damage on metal pipes, fittings, and mounting hardware, along with moisture-related deterioration in mechanical space. Advised customer that leak originated from building plumbing infrastructure and not from HVAC units.