AC, Furnace & Plumbing Services in St. Charles, MO

Completed comprehensive cooling maintenance tune-up on 9-year-old residential air conditioning system. Performed standard preventive maintenance procedures including inspection of condenser unit, verification of system operation, and documentation of equipment condition. System confirmed operational and ready for continued service through the cooling season.

Responded to service call for potential leak at expansion tank connection line on 40-gallon gas water heater in basement. Inspected expansion tank mounting, connection fittings, and associated piping for signs of moisture or corrosion. Examined anode rod condition to assess tank longevity and internal corrosion protection. Verified all connections at water heater top, including pressure relief valve, copper fittings, and metallic flex connectors were properly secured. Documented existing installation with photographs showing water heater, expansion tank, piping configuration, and surrounding water treatment system components including filtration units and softener tanks.

Completed preventative maintenance tune-up on two residential HVAC units aged 16 and 18 years. Performed comprehensive inspection of both systems including blower wheel assembly examination, temperature differential measurements using calibrated digital thermometer, and standard system diagnostics to ensure proper operation and efficiency.

Responded to complaint of upstairs area consistently overheating. Performed comprehensive indoor air quality assessment and inspected 15-year-old HVAC system ductwork in attic space. Identified inadequate insulation on supply ductwork with visible condensation, improperly sized or blocked ducts restricting airflow to second floor, and potential air balance issues affecting temperature distribution. Documented existing duct configuration, insulation deficiencies, and structural mounting conditions. Provided recommendations for ductwork insulation upgrades, airflow balancing, and potential zoning solutions to resolve hot spot concerns in upper level living spaces.

Completed comprehensive cooling system tune-up on single outdoor AC unit. Performed standard maintenance protocol including temperature differential measurements, visual inspection of capacitor and electrical components, and system performance verification. All components found operating within normal parameters with no repairs required at this time.

Completed scheduled cooling maintenance on 2-year-old Trane system. Performed comprehensive AC tune-up including inspection of condenser coil, which showed moderate dirt and debris accumulation on fin surfaces, and refrigerant line set evaluation. Customer reported slight pinging noise in refrigerant lines during operation; inspected copper refrigerant lines and connections for potential vibration points or loose mounting. Verified system operational status and all components functioning properly.

Installed thermostatic expansion valve (TXV) on HVAC system and performed evacuation to proper vacuum levels, achieving 47.7 microns as verified with digital vacuum gauge. Unit tested and confirmed operational with minimal temperature differential on heat/cool functions.

Completed comprehensive tune-up and preventative maintenance on single outdoor air conditioning unit for Home Depot service agreement. Performed system diagnostics including temperature differential measurements, recording supply air temperature of 50.5°F and return air temperature of 299°F, confirming proper cooling operation and heat exchange efficiency within manufacturer specifications.

Responded to report of exposed wiring in kitchen area. Upon inspection, discovered open electrical junction box recessed in wall with active wire connections exposed through damaged tile and drywall. Identified two wire connectors (wire nuts) joining circuit conductors within box showing signs of age and accumulated debris. Verified wire connections were secure and properly terminated, confirmed no exposed bare conductors were making contact, and ensured all splices were contained within approved junction box with adequate wire fill capacity. Electrical hazard was mitigated by securing connections and providing recommendations for proper cover plate installation to enclose junction box per code requirements.

# HVAC Cooling System Maintenance Completed Performed comprehensive cooling maintenance tune-up on a 10-year-old air conditioning system. System operational status confirmed throughout service visit. ## Work Performed **Air Filter Service:** Inspected air filter and documented significant dust and debris accumulation across pleated filter media. Filter showed considerable particulate buildup with dark gray to black discoloration throughout pleated surfaces, indicating extended use period. Uneven dust distribution patterns observed across filter face, suggesting varied airflow characteristics. Wire mesh grid intact with no structural damage noted. **Exterior Ventilation Inspection:** Examined outdoor unit ventilation grille and identified substantial organic debris accumulation. White-painted louvered grille housing dried leaves, twigs, and compacted plant matter behind horizontal slats. Debris appeared dried and matted, indicating prolonged accumulation period. Material obstruction

Completed estimated work to address clogged drain in main hall bathroom sink. Installed new sanitary tee connection from main stack to hall sink drain line, utilizing PVC piping with proper primer application. Work was performed over a four-hour timeframe to ensure proper drainage and resolve the reported clog issue.

Responded to no cooling complaint on three-year-old geothermal heat pump system. Upon arrival, inspected control panel and found loose wire connection at terminal block affecting compressor circuit. Secured all electrical connections, verified proper voltage at control boards, and tested system operation through complete cooling cycle. Unit restored to normal operation with proper cooling output confirmed.

Responded to service call for basement A/C unit with water leaking onto floor instead of draining properly. Upon inspection, found clogged condensate drain line preventing proper drainage. Cleared blockage from drain line using wet/dry vacuum extraction method, removing accumulated debris and contaminated water from drain pan and line. Verified proper drainage flow restored, cleaned condensate pan, and inspected ductwork and air handler for moisture damage and proper operation. Unit returned to normal function with condensate now draining correctly through drain line.

Responded to no cooling complaint on 12-year-old Goodman AC system that ran continuously overnight without providing adequate cooling. Upon arrival, performed diagnostic testing using digital thermometer and clamp meter to assess system performance and electrical parameters. Measured temperature readings at evaporator coil showing 90.6°F, indicating insufficient heat transfer. Tested electrical components including amperage draw and voltage levels to identify potential compressor or refrigerant issues. System was shut down by customer prior to arrival due to continuous runtime without cooling output. Documented findings with diagnostic measurements and photos for service records.

Responded to no-cool call on 14-year-old system located in basement. Upon arrival, found unit completely inoperative with no power to system. Inspection revealed severely deteriorated outdoor disconnect and burned wiring connections at exterior unit. Outdoor disconnect showed extensive fire damage with charred components and melted housing, creating unsafe electrical condition and preventing system operation. Replaced failed disconnect, repaired damaged wiring, and restored power to unit. Changed dirty air filter at indoor air handler. Tested system operation and confirmed proper cooling function restored. Unit now operating safely within normal parameters.

Responded to electrical service call for breaker replacement in residential electrical panel. Upon inspection, identified faulty circuit breaker requiring replacement. De-energized the panel and safely removed the defective breaker from its position within the load center. Installed new circuit breaker to manufacturer specifications, ensuring proper amperage rating and secure connection to bus bar. Verified all wire terminations were tight and properly seated. Confirmed neutral and ground wires remained properly bonded throughout the panel. Re-energized the system and tested the new breaker under load to ensure proper operation and tripping function. All circuits verified operational with no additional issues detected.

Responded to no cooling call on 10+ year old outdoor unit. Upon inspection, discovered significant refrigerant leak caused by pinhole perforation in suction line due to severe corrosion and deterioration. Corroded area exhibited extensive rust, oxidation, and mineral deposits indicating long-term exposure to moisture and environmental elements. System was non-operational due to complete loss of refrigerant charge. Documented condition with photographs and provided repair recommendations to address refrigerant leak and restore cooling operation.

Installed replacement evaporator coil in air handler unit and removed failed component from service. Charged system with refrigerant to manufacturer specifications, not exceeding 5 pounds per coverage guidelines. Verified heating and cooling operation upon completion, confirming proper system function and airflow.

Completed cooling tune-up on outdoor condensing unit over 10 years old located in side yard. Performed standard maintenance protocol including inspection of condenser coil which showed significant accumulation of dirt and pollen with visible yellow streaking throughout fins, inspected internal air handler components and control board assembly, verified all electrical connections and refrigerant lines, and documented system condition with photos. Unit operational upon completion of service.

Returned to property to complete evaporator coil replacement on Goodman HVAC system. Installed new evaporator coil that was delivered to job site, performed system startup, and verified proper refrigerant pressures using manifold gauge set at the outdoor condenser unit.