Performed a fall tune-up on the furnace, including inspection of the gas valve assembly, flex gas line connections, and control wiring terminals. Measured blower motor amperage with a clamp meter to verify proper electrical operation, and checked wiring and crimp connections for security. Cleaned the dusty cabinet interior as needed, with no visible damage, rust, or cracking noted.

Performed AC tune-up on electric split system in response to elevated utility bills and uneven cooling. Inspected the attic air handler and found the return plenum and insulated duct surfaces heavily coated with dust and lint, and the pleated filter loaded with soot and debris with worn frame edges, restricting airflow. Removed the dirty filter, cleaned accumulated debris from the plenum and housing, and verified the system for proper airflow to help improve efficiency and temperature balance to the warmer side of the home.

Performed a fall heating tune-up on one system, inspecting the furnace interior and cleaning the blower wheel to remove heavy dust and debris buildup from the fan blades. Measured blower motor amperage with a clamp meter (0.24 A AC) to verify electrical operation, and checked wiring and gas line connections within the cabinet.

Responded to a no-heat call on a customer-installed Honeywell thermostat that operated cooling but offered no heating option. Inspected the air handler's evaporator coil and electrical compartment, and measured amperage with a clamp meter to evaluate system operation. The coil showed moderate dust accumulation with no frost or physical damage, and the thermostat's heating configuration and wiring should be verified against the equipment type.

Completed fall heater tune-up on one system, including inspection of the blower compartment, motor, capacitor, and wiring connections. Measured blower motor amperage with a true RMS clamp meter (5.96 A) to verify proper electrical operation, and noted heavy dust and debris buildup on the blower housing and cabinet interior along with an aged, partially torn wiring diagram.

Completed furnace and evaporator coil replacement, including connection to the existing R-410A condenser and line set. Following installation, connected a digital manifold and micron gauge to verify system operation, with refrigerant pressures and superheat readings confirmed within normal range. Refrigerant line set insulation and outdoor unit connections were inspected and found to be in good condition with no signs of damage.

Performed a seasonal fall tune-up on one heating system, including inspection of the electrical compartment and verification of component operation. Measured amperage draw on the system's control wiring with a clamp meter (19.5 A reading) to confirm the electrical load was within normal operating parameters.

Performed an AC tune-up on a single-system installation, inspecting the condenser's electrical compartment and testing the run capacitor, contactor, and wiring with a clamp meter (34.1 reading recorded), and noted light corrosion and debris on the lower condenser tray. Documented water staining and a split in the painted ceiling drywall in the kitchen, consistent with a prior moisture issue that had been painted over and never resolved, and recommended further evaluation of the evaporator coil, condensate drain line, and secondary drain pan to identify the source of the leak.

Performed a routine AC tune-up, including electrical testing of the air handler with a clamp meter and inspection of the accessible ductwork and plenum connections. The inspection revealed a torn flexible duct wrap near the plenum take-off, with exposed fiberglass insulation, which should be repaired to prevent air leakage and condensation. The system was operating normally at completion.

Installed pan safety switch at indoor air handler unit to provide secondary drain line protection and prevent water damage from potential condensate overflow. Sealed return air ductwork connections to eliminate air leakage and improve system efficiency. Replaced failed 45 MFD dual run capacitor at outdoor condensing unit to restore proper compressor and condenser fan motor operation. Verified all electrical connections secure, tested system operation through complete cooling cycle, and confirmed proper airflow and temperature differential across evaporator coil.

Completed comprehensive AC tune-up on single-system residential unit, including inspection of outdoor condenser components where capacitor, contactor, and electrical connections were tested and verified operational. Inspected attic air handler and ductwork, noting moisture accumulation on metallic plenum surface which was documented for monitoring. All system components functioning within normal parameters following standard maintenance protocol.

Completed annual AC tune-up and system inspection in attic space. Observed significant condensation accumulation on metal ductwork surfaces, indicating potential insulation deficiency or humidity concerns that may require future attention. Performed standard maintenance procedures, verified system operation, and provided estimate for additional garage ventilation installation as requested.

Completed comprehensive fall tune-up on single heating system. Performed diagnostic testing of electrical components using digital multimeter and clamp meter, verifying proper voltage readings at control board and measuring amperage draws throughout the system. All measurements fell within manufacturer specifications, and system operation was confirmed to be functioning correctly for the heating season.

Received call regarding water leaking from attic HVAC unit. Consultation provided over phone due to customer declining immediate dispatch service. Advised customer to power down system to prevent further water damage and utilize fans for ventilation in affected attic space. Recommended using shop vacuum to extract standing water and check condensate drain pan for overflow condition. Photos documented visible condensation on air handler cabinet and attic mechanical space showing PVC drain lines, flexible ductwork, and OSB flooring with potential water exposure. Customer opted to perform initial assessment of drain pan status before scheduling on-site service visit.

Responded to after-hours dispatch for non-operational upstairs HVAC system in a three-system residence. Upon arrival, accessed attic-mounted air handler unit and performed diagnostic testing using digital multimeter to assess electrical functionality and system operation. Conducted thorough inspection of furnace/air handler, examining control board connections, wiring harness integrity, and manufacturer specifications. Documented equipment conditions and diagnostic findings with photographic evidence for service records.

Completed installation of 7.5 microfarad blower capacitor to restore proper motor operation. Secured and adhered loose evaporator coil insulation that had become detached, ensuring proper thermal efficiency and preventing future displacement. Replaced 20x25x5 media filter to maintain optimal airflow and indoor air quality. System tested and confirmed operational upon completion.

# Install Completed Successfully installed a 4-ton outdoor condensing unit on a concrete pad against the exterior brick wall. The new unit features proper ventilation louvers and fan assembly, positioned to ensure optimal airflow and accessibility for future maintenance. Refrigerant lines and electrical connections were properly routed and secured along the building structure. # Follow-Up Required During post-installation inspection, discovered significant frost accumulation on the evaporator coil and associated ductwork components in the indoor air handler location. The heavy ice buildup on metal surfaces with crystalline formation indicates a potential refrigerant charge issue, airflow restriction, or system imbalance that requires immediate attention. This condition was documented with photographic evidence showing the extent of frost coverage on the coil assembly and mounting hardware. System will need to be evaluated for proper refrigerant levels, airflow measurements, and mete

Responded to service call for HVAC system evaluation. Customer reported possible refrigerant leak in attic air handler from previous technician visit approximately one year ago. Performed visual inspection of aging air handler unit and blower motor assembly. Documented existing equipment condition with photos showing significant dust accumulation, age-related deterioration, and staining on interior surfaces. Assessed blower motor, copper refrigerant lines, and overall cabinet condition. Provided customer's authorized decision-maker with repair versus replacement options for the air handler unit, noting the condenser is relatively new at only a few years old while the air handler shows considerable age and wear.

Responded to report of water leaking on ceiling in guest bathroom. Upon inspection, located condensate drain line issue in attic space above affected area. Found PVC drain lines and condensate piping with connections at central junction point surrounded by insulation on structural beam. Both HVAC systems were operating and cooling properly at time of visit. Documented piping configuration and drain line assembly with photos for reference.

Completed comprehensive blower and evaporator coil maintenance on residential HVAC system. Performed full blower assembly removal, thorough cleaning of blower wheel and housing to remove accumulated dirt and debris. Executed evaporator coil pull and deep cleaning to restore optimal heat transfer efficiency and airflow. Conducted electrical diagnostics using clamp meter to verify proper amperage draw and system performance. Measured operating temperature at 20.0°F, confirming adequate refrigerant charge and system functionality. Reassembled all components, secured electrical connections, and verified unit operates within manufacturer specifications. System returned to normal operation with improved airflow and efficiency.

# VIJ - Dispatch Completed Responded to customer concern regarding loud humming noise from outdoor condenser unit. Upon arrival, performed comprehensive inspection of air conditioning system and electrical components. Unit was operational at time of inspection with no abnormal sounds present. Conducted thorough examination of contactor, capacitor, and all electrical connections within junction box. Documented heavy dust and debris accumulation on internal wiring and components. Inspected compressor operation, fan motor function, and verified proper electrical connections at all terminals. Unit operating within normal parameters during diagnostic testing. Photographed outdoor condenser unit placement and internal electrical components for service records. Advised customer that system is functioning properly with no immediate concerns identified, though noted age-related wear and contamination present in electrical compartment.

# VIJ - AC Tune-Up Completed Performed comprehensive annual cooling maintenance on residential HVAC system. Conducted thorough electrical diagnostics using clamp meter, measuring amperage draw on indoor air handler unit at 27.57 amps and outdoor condenser unit voltage at 1169 (likely line voltage verification). Inspected all electrical connections, wiring harnesses, and control boards within air handler cabinet. Verified proper operation of compressor, condenser coils, and all system components. All measurements within manufacturer specifications. System operating efficiently with no issues identified during complete tune-up service.

Responded to no-heat call on 5-year-old HVAC system. Performed diagnostic assessment using thermal imaging camera to identify temperature variations and potential system failures. Conducted initial troubleshooting to determine cause of complete system shutdown.

Responded to no cooling complaint with outdoor unit running but not producing cold air, particularly affecting master bathroom. Performed diagnostic testing on outdoor condensing unit using clamp meter to measure electrical values and inspected capacitor functionality. Measured amperage reading of 76.0 amps and evaluated capacitor (model PRCFD455A) connections and performance. Examined condenser coil condition and internal electrical components including wiring connections to capacitor and contactor assembly.

Performed comprehensive AC cleaning and inspection for pre-sale home evaluation. Conducted electrical diagnostics using clamp meter to verify proper amperage draw on system components, inspected and tested capacitor functionality and connections, and documented all findings with detailed photographs for prospective buyer's review.