HVAC & Plumbing Services in Cedar Hill, MO

Replaced failed compressor under warranty on HVAC system that had no cooling capability. Removed old compressor model ZP16K6E-PFV-130 (S/N 1985C9P111) and installed new replacement unit model ZP16LXE-PFV-800 (S/N 26EZ15G64M). Documented serial numbers from both old and new compressors per warranty requirements, and retained failed unit for warranty processing. System restored to proper operation with auxiliary heat and cooling functions verified.

Responded to no heat call on heat pump system. Upon arrival, found that previously installed defrost board was not functioning properly. Performed diagnostic testing on low voltage control circuits and heat pump electrical components including defrost control board, capacitor, and contactor. Identified multiple issues affecting system operation. Documented equipment condition with photos showing significant dust accumulation on indoor components and outdoor unit wiring configuration. System requires repairs beyond defrost board replacement. Provided quote for necessary repairs to restore proper heat pump operation. Unit remains non-operational pending customer approval of recommended repairs.

Replaced defective defrost control board on heat pump system to restore proper heating operation. Removed failed board from outdoor unit control panel, installed new replacement board, reconnected all electrical connections including relay wiring and sensor leads, and verified proper system operation. Defective board was removed from site per standard disposal procedures.

Returned to newly installed system with recovery equipment, vacuum pump, and R-454B refrigerant to address non-condensable gases causing no cooling condition. Evacuated contaminated refrigerant from system using recovery tank, performed deep vacuum to remove moisture and non-condensables, and recharged system with proper refrigerant type. Verified system pressures and operational performance using digital manifold gauges, confirming proper cooling operation restored.

Responded to a no-cooling complaint on unit U10 located at the back of a mobile home, which was recently installed in June. Upon arrival, connected Fieldpiece digital manifold gauges to the system to evaluate refrigerant pressures and temperatures across the low and high sides. Diagnostic readings were captured to assess system performance and identify the root cause of the cooling failure. Based on the field measurements and visual inspection of the outdoor condensing unit, determined the necessary corrective actions to restore proper cooling operation.

# HVAC Cooling System Tune-Up Summary Performed comprehensive preventive maintenance on ground-mounted air conditioning unit. Inspection revealed moderate dust accumulation on blower motor assembly and electrical components requiring attention. # Work Performed Conducted thorough visual inspection of electrical control compartment, verifying all wire connections, contactor operation, and capacitor condition. Examined control board terminals and wiring integrity throughout upper compartment. Assessed blower motor assembly, noting dust buildup on motor housing and surrounding cabinet areas. Performed operational diagnostics using calibrated test equipment. Measured system pressures and temperatures with digital manifold gauge set, recording refrigerant pressures and superheat values. Monitored supply air temperature at grille, confirming proper airflow and cooling performance. All readings indicated system operating within manufacturer specifications. Cleaned blower motor housing an

Completed comprehensive cooling season tune-up on 10-year-old Lennox ground-level condenser unit located at rear of property. Performed full system inspection including refrigerant line assessment, electrical connections verification, condenser coil cleaning, and operational testing. Unit operating within normal parameters with all components functioning properly at time of service completion.

Responded to no-cool emergency call for residence with small children and indoor temperature at 90 degrees. Upon arrival, found 10+ year old ground-level unit blowing warm air with active water leak. Confirmed system had been turned off per prior instructions with fan left in circulation mode. Performed diagnostic evaluation of both indoor air handler and outdoor condensing unit. Identified refrigerant leak causing loss of cooling capacity and resulting condensate drainage issue. Documented thermostat reading of 80 degrees at time of service and captured equipment condition photos showing furnace, air handler assembly, refrigerant lines, and overall installation in basement mechanical room.

Responded to no cooling complaint on 18-year-old HVAC system. Upon inspection, determined the fan motor was completely seized and inoperable. Documented the condition of the blower assembly and interior components, noting the age-related wear on the unit. Advised that motor replacement would be required to restore system operation.

Completed comprehensive cooling system tune-up on 10-year-old air conditioning unit. Performed full system diagnostics including temperature differential measurements, refrigerant pressure analysis, and airflow verification. Installed new air filter with pleated media, tested all electrical components, and confirmed system operating within manufacturer specifications with no issues detected.

Responded to no cooling complaint on aging HVAC system over 10 years old. Upon inspection, discovered failed capacitor with severely corroded electrical connections and deteriorated wiring in outdoor condensing unit. Capacitor housing showed extensive rust and oxidation, with surrounding components exhibiting moisture damage and environmental degradation. Replaced defective capacitor, secured all electrical connections, and verified proper voltage readings. System restored to operational status with normal cooling function confirmed before departure.

Responded to warranty call on newly installed Lennox air handler experiencing control board failure. Replaced defective control board with new unit obtained from Lennox Fenton. Verified all wire connections to new board, tested system operation in both heating and cooling modes, and confirmed proper functionality. Discarded failed control board per warranty protocol.

Responded to service call for newly installed upstairs system experiencing power issues with condensate pump. Upon arrival, inspected electrical connections and found wiring concerns at circuit breaker terminal. Verified power supply to pump and tested system operation using manifold gauges and digital thermometer. System readings showed supply temperature of 86.1°F with pressures and temperatures recorded on diagnostic equipment. Addressed electrical connection at breaker point where blue and brown conductors terminate. Documented all measurements and electrical configuration for ongoing callback history on this recent installation.

Replaced evaporator coil under warranty on residential HVAC system. Performed system diagnostics and testing to verify proper operation of both heating and cooling functions upon completion. Retained defective coil per warranty requirements.

Responded to no cooling complaint on 10-year-old basement air conditioning system. Upon arrival, found evaporator coil had been frozen and was in process of thawing after system was shut down approximately 2 hours prior. After coil fully thawed, performed system startup and diagnostic evaluation. Inspected outdoor condensing unit, which showed significant age-related weathering and corrosion on cabinet panels. Checked thermostat operation and verified system controls functioning properly. Measured airflow at supply registers and confirmed reduced air delivery as reported. Evaluated potential causes of frozen evaporator coil including restricted airflow, low refrigerant charge, and dirty air filter. System requires further diagnosis to determine root cause of freezing condition, which may include checking refrigerant pressures, verifying proper airflow across evaporator coil, inspecting blower motor operation, and examining air filter condition. Customer advised that additional repairs

Responded to callback for newly installed HVAC unit experiencing recurring water accumulation causing system shutdowns. Upon arrival, performed thorough inspection of evaporator coil assembly, condensate drain system, and attic-mounted equipment. Identified improper condensate drain line installation with inadequate pitch preventing proper drainage. Corrected drain line slope, verified primary and secondary drain connections, cleared blockage in drain pan outlet, and tested system operation through complete cooling cycle. Unit now draining properly with no water accumulation in drain pan.

Conducted site assessment for electrical meter relocation following pole failure. Evaluated existing service entry conditions and determined feasibility for mounting meter base on residential structure as alternative to pole-mounted installation. Documented current electrical service configuration and site conditions to provide comprehensive estimate for meter relocation, including necessary service entrance equipment, weatherhead assembly, conduit runs, and secure mounting hardware required to bring installation up to current electrical code standards.

Responded to no cooling complaint on 10+ year old Lennox residential air conditioning system located on side of home. Upon arrival, found outdoor condenser unit not operating while indoor fan was running as instructed. Performed diagnostic evaluation of electrical components and refrigerant system. Identified failed component preventing compressor operation. Replaced defective relay/contactor assembly, restored power to compressor, and verified proper system operation with normal cooling restored.

Responded to no-cooling complaint for master bedroom in residential split system. Upon arrival, found Coleman condenser unit with damaged/detached fan guard and protective top grille lying in grass around unit. Inspected system and determined fan guard failure allowed debris access and compromised airflow to condenser. Reinstalled protective components, cleared vegetation from around unit perimeter, verified proper condenser fan operation, and restored cooling function to affected zone.

Responded to no cooling complaint on a 10+ year old self-contained outdoor AC unit located in backyard. Upon arrival, performed diagnostic evaluation of the condenser unit, which showed visible signs of weathering and corrosion on the top fan grille. Conducted temperature and system performance measurements using digital diagnostic equipment on the condenser coil fins. Initial assessment indicated potential refrigerant deficiency as reported, though further testing was required to determine if leak repair or other mechanical issues were contributing to the cooling failure. Unit had been experiencing extended operational problems. Documented equipment condition with photographs showing the outdoor condenser on concrete pad and close-up diagnostic work on the coil assembly. Customer advised of findings and repair options to restore proper cooling function.