Experience-Driven Heating, Cooling, and Plumbing Solutions in Frontenac, MO

Responded to service call for thermostat and AC wiring issues on a two-unit system. Accessed HVAC unit, inspected electrical connections and wiring terminations at evaporator coil assembly, verified proper wire routing and secure connections using appropriate wire nuts, and documented system configuration with photos. All electrical connections tested and confirmed operational.

Performed diagnostic inspection on two furnace systems as requested. Inspected heat exchangers on both units for integrity and potential failure. Examined flame sensor circuit board on east furnace and documented extensive corrosion on condensate drain pan, indicating long-term moisture exposure and potential secondary heat exchanger deterioration. Inspected control board wiring and connections, noting disorganized wire routing. Photographed corroded components and internal electrical systems for documentation and recommendation purposes. Front hall thermostat for west unit confirmed as operational control point.

Responded to emergency call for second-floor air conditioning unit experiencing active water leakage. Upon arrival, located air handler in second-floor utility closet with evidence of condensate drainage issues. Inspection revealed severely stained and discolored condensate drain line with significant mineral deposits and buildup around floor penetration point. Concrete floor exhibited extensive water damage and staining patterns indicating prolonged drainage problems. Advised homeowner to shut down system and operate in fan-only mode to prevent further water damage until repairs could be completed. Documented conditions with photographic evidence showing HVAC equipment location and drain line deterioration for repair estimates.

Responded to callback for second floor air conditioning unit experiencing water leakage one day after routine maintenance. Upon inspection, discovered the evaporator coil drain pan exhibited severe rust deterioration and corrosion throughout, with extensive mineral deposits indicating chronic moisture accumulation. The condensate drainage system showed signs of long-term failure, with rust staining concentrated along collection areas. Copper refrigerant lines and associated plumbing connections were inspected for integrity. Documented condition of corroded drain pan, deteriorated plumbing components, and compromised condensate management system. Unit identified as oldest system in building requiring drain pan replacement to resolve recurring leakage issue.

Responded to no-cooling call on 25-year-old residential air conditioning system. Upon arrival, confirmed outside condenser unit was not operating while indoor air handler continued to circulate unconditioned air. Inspected outdoor unit electrical compartment and found heavily soiled components with extensive cobweb accumulation indicating lack of routine maintenance. Tested contactor, capacitor, and compressor functionality. Identified failed dual run capacitor as primary cause of compressor and condenser fan motor failure. Replaced defective capacitor with properly rated component. Cleaned electrical connections and verified proper voltage at all terminals. Cycled system through complete startup sequence and confirmed compressor engaged properly with condenser fan motor operating at correct speed. Measured temperature split at indoor unit showing 18-degree differential, indicating system returned to normal cooling operation. Advised customer of unit's advanced age and recommended cons

Responded to no cooling complaint on second floor primary bedroom for 9-year-old Carrier system. Performed airflow diagnostics using anemometer at bedroom floor register, measuring 188 CFM and 7-degree temperature differential. Identified restricted airflow issue at affected vent location. Additionally inspected Bradford White water heater per customer concern regarding increased leakage, documented condition with photos showing copper piping connections and tank assembly for further evaluation.

Responded to callback for upstairs AC unit with ongoing water discharge issue after previous service attempts. Upon inspection, found heavily soiled evaporator coil and condensate drain system requiring attention. Cleaned accumulated dust and debris from unit components, cleared condensate line blockage causing water overflow down equipment, verified proper drainage flow, and tested system operation to ensure issue resolution.

Responded to urgent no-cool call with active water leak on 3-year-old Lennox system. Upon arrival, discovered condensate drain line blockage causing water overflow from unit. Cleared obstruction from drain line and verified proper drainage flow through PVC condensate piping system. Inspected evaporator coil and drain pan for damage; found no cracks or structural issues. Measured temperature differential across coil at 15.3°F, confirming restored cooling operation. Tested system through complete cycle to ensure leak resolved and unit operating within normal parameters. System returned to full cooling capacity with no further water discharge issues.

Responded to no cooling complaint on second unit. Upon inspection, found failed run capacitor (45uF Capcom model 97F9619) preventing compressor operation. Replaced defective capacitor, restored system to normal operation, and verified proper cooling function before completing service call.

Responded to cooling efficiency complaint on 6-year-old system located in upstairs closet. Performed diagnostic testing and system evaluation using electronic measurement equipment to assess performance issues. Customer was previously advised to shut off unit prior to arrival.

Responded to service call for HVAC system with faulty wet switches causing operational issues. Diagnosed and replaced both defective wet switches in the equipment control panel, restoring proper system function. Verified heating and cooling operation after replacement, retained failed components for warranty documentation, and confirmed all electrical connections were secure.

Responded to no cool complaint on 2-zone system with 10+ year old equipment. Upon arrival, performed diagnostic inspection of indoor air handler and outdoor condenser unit. Inspected air filter at indoor unit which showed restriction, checked system operation and airflow. Evaluated outdoor condenser unit condition including fan operation, refrigerant lines, and overall system performance. Documented equipment condition with photos showing both indoor furnace/air handler combination unit in mechanical room and outdoor condensing unit on gravel pad. System assessed for proper cooling operation across both zones.

Responded to callback for third floor cooling system displaying E103 error code on White-Rodgers thermostat indicating Y1 wiring fault. Diagnosed and repaired wiring issue between thermostat and air handler, verified proper Y1 terminal connections, and cleared error code. Completed system testing to confirm cooling operation restored and all zones functioning properly.

Responded to complaint of excessive humidity in two upstairs rooms on a four-unit HVAC system. Inspected upstairs unit and confirmed low refrigerant charge as previously reported. Verified thermostat readings in Family Room (69°F, 39% humidity) and Bedroom (68°F, 47% humidity), noting elevated humidity levels and proper temperature control. Advised customer to keep affected unit shut down until refrigerant service can be completed to prevent compressor damage.

Responded to callback for 4-month-old system experiencing water leakage in basement. Upon inspection, identified compromised condensate drainage system with debris accumulation affecting proper water evacuation. Cleared condensate line obstruction, verified drain pan integrity, and confirmed proper pitch on drainage components. Inspected refrigerant lines and evaporator coil assembly for any secondary moisture sources. System tested and operating within manufacturer specifications with no further water discharge observed at floor level.

Responded to emergency no-cooling call after customer had been without air conditioning for four days. Diagnosed failed control board with visible heat damage and burn marks on circuit board, causing complete system failure. Replaced defective control board with new unit sourced from Lennox Earth City. Removed and disposed of damaged board showing extensive thermal damage and charring around component mounting area. Restored system to normal operation and verified proper cooling function before departure.

Responded to no cooling call following reported electrical event involving utility transformer. Upon arrival, inspected single outdoor AC unit and found system completely non-operational. Removed access panel to control board compartment and performed comprehensive electrical diagnostic of low-voltage control circuit and line voltage connections. Inspection revealed control boards, wiring harnesses, and relay components appeared intact with no visible signs of electrical surge damage, burnt components, or compromised connections. However, confirmed complete loss of power to unit. Advised that primary issue stems from upstream electrical service disruption and recommended electrical contractor evaluate main service panel, dedicated disconnect, and circuit breaker for potential damage from power surge event before HVAC system can be safely restored to operation.

Responded to recall for improperly installed air filter that was jammed and deteriorating in basement HVAC unit. Removed damaged filter showing significant breakdown of filter media and replaced with correctly sized filter ensuring proper fit within track system. Verified new filter installation with adequate clearance and secure positioning to prevent future jamming issues.

Completed comprehensive cooling maintenance on 9-year-old air conditioning system. Performed full AC tune-up including inspection of electrical control panel, circuit board connections, and terminal blocks with all wiring verified secure and properly routed. Inspected heat exchanger coil assembly, noting operational fins with minor surface accumulation but airflow paths clear. All electrical components including relays, capacitors, and control modules tested and functioning within specifications. System operating properly with no deficiencies requiring immediate attention at time of service completion.

Completed preventative maintenance tune-up on two Lennox air conditioning units (U10 model year) located at side and rear of residence. Performed comprehensive system inspection, replaced air filter, verified refrigerant levels and pressures on both units, and documented equipment specifications including model CX35-36B-6F-20. Both systems operating within normal parameters upon completion.