Responded to service call for water heater leaking and lack of hot water production. Upon inspection, identified active leak and compromised heating functionality on residential tanked water heater unit. Documented existing equipment condition and installation setup in basement utility area, noting copper supply lines and standard venting configuration. Assessed unit for repair viability versus replacement recommendation based on age, leak severity, and heating system failure.

Completed planned air conditioning maintenance on Lennox outdoor condensing unit. Performed comprehensive system inspection including electrical connections, capacitor condition, and overall unit operation. Documented equipment condition with interior control panel and exterior unit photographs showing proper wiring configuration and satisfactory component status.

Completed installation of Lennox ML13KC1-030 air conditioning condenser unit with matching ADP evaporator coil, replacing existing HVAC system. System was installed on exterior pad, refrigerant lines were connected and insulated, electrical connections completed, and unit was charged with refrigerant to manufacturer specifications. Indoor coil was integrated with existing furnace, all connections were tested and verified operational, and system performance was confirmed using diagnostic gauges to ensure proper pressures and temperatures throughout the refrigeration cycle.

Responded to service call for intermittent hot water issues on approximately 10-year-old residential water heating system. Upon arrival, performed diagnostic inspection of American Standard Polaris heating unit and associated plumbing components. Evaluated copper piping network, pressure gauges, shut-off valves, and control panel indicators. Inspected unit for potential leaks, verified drain pan condition, and examined all visible connections and fittings. Documented system configuration including Energy Star certified unit with multiple safety labels and warning indicators. Assessed control panel operation, temperature settings, and indicator lights to determine intermittent performance patterns reported by occupant regarding insufficient hot water supply and duration.

Responded to service call for damaged vent pipe penetrating roof assembly causing water intrusion in 1984-constructed residence. Upon inspection, identified compromised galvanized metal vent stack extending from basement through roof with visible split/hole allowing moisture infiltration around pipe penetration point. Found extensive ceiling damage surrounding duct opening, including deteriorated drywall, peeling paint, and compromised substrate material from prolonged water exposure. Temporary tape repair was in place from previous attempt. Documented condition of vertical vent run showing surface condensation on insulated sections and assessed structural damage to ceiling materials and wooden framing around penetration. Photographed damaged areas for repair documentation. Confirmed no immediate gas odor or safety hazards present at time of inspection.

# HVAC Maintenance Service Completed Performed planned single maintenance on residential air conditioning system under 5 years old. Conducted comprehensive system inspection including electrical components, capacitor, contactor, and all wiring connections. Verified proper operation of outdoor condensing unit with fan assembly and protective grille. Installed CFI filter as specified. Performed diagnostic testing using multimeter on electrical components to ensure proper voltage and amperage readings. Inspected condenser coils, refrigerant lines, and disconnect box. System operating within normal parameters upon completion of maintenance.

# HVAC Maintenance Summary Performed planned maintenance tune-up on Bard Manufacturing rooftop unit (model HHA03/EHHA03 series) with R22 refrigerant located at main building. Completed standard preventive maintenance procedures including inspection of electrical components, verification of voltage specifications (208/230V, 60Hz), assessment of compressor motor and indoor/outdoor motor operations, and documentation of unit serial number and specifications for service records.

Responded to a main sewer line stoppage causing backup from the kitchen sink into the bathtub. Located and accessed the main cleanout in the basement utility area. Cleared the blockage in the main drain line using professional drain cleaning equipment. Verified proper drainage flow was restored throughout the plumbing system and confirmed no additional backups were occurring. Advised customer to discontinue use of chemical drain cleaners to prevent pipe damage and ensure safe working conditions for future service needs.

Replaced photocatalytic cell on REME HALO air purification system mounted to furnace unit as quoted. Completed routine maintenance filter service and verified proper operation of air purification system with indicator light functioning correctly.

# HVAC Maintenance - Planned Single Maintenance Completed comprehensive air conditioning maintenance service per membership agreement. Performed full system inspection with access panel removal to evaluate internal components and electrical connections. Conducted diagnostic testing of capacitor using test leads to verify proper capacitance values and electrical performance. Inspected all electrical wiring, including power supply connections, control circuits, and ground connections for signs of wear, damage, or loose terminals. All wire connections found secure with no evidence of overheating or deterioration. Evaluated capacitor condition, including visual inspection for bulging, leaking, or corrosion on terminal connections. Component showing normal wear consistent with system age. Examined condenser coil and refrigerant lines for proper insulation and signs of refrigerant leaks. Copper refrigerant lines displaying normal oxidation consistent with outdoor installation and system

Responded to service call for mini split system displaying error light and no cooling operation. Upon inspection, examined refrigerant line connections and found system components accessible through service panel. Verified filters were clean with no airflow obstructions. Documented equipment condition and connection points for diagnostic purposes.

Responded to service call regarding unsealed penetration around refrigerant lines and loud noise from outdoor unit during startup and shutdown. Inspected interior wall penetration where copper refrigerant lines enter building and confirmed opening was not properly sealed, allowing potential air infiltration and energy loss. Documented condition with photos showing exposed cavity around copper tubing. Examined exterior refrigerant line set and observed black foam pipe insulation on copper lines at exterior wall, with exposed copper visible at top section. Evaluated outdoor condensing unit operation and documented reported thunk noise during compressor cycling, which may indicate refrigerant pressure equalization or potential mechanical issue requiring further diagnosis.

Completed comprehensive preventive maintenance on two residential air conditioning systems per manufacturer specifications. Performed thorough inspection, cleaning, and servicing of both outdoor condenser units including coil cleaning to remove accumulated dirt and debris, filter replacement, refrigerant level verification, electrical connection testing, and capacitor evaluation. Replaced humidifier pads on both systems to ensure optimal humidity control and indoor air quality for the upcoming season. All equipment tested and confirmed operating within normal parameters upon completion.

Replaced failed factory-original ECM outdoor condenser fan motor with PSC motor upgrade on 10+ year old unit experiencing no cooling condition. Also installed new run capacitor to support the PSC motor conversion. Unit tested and operational upon completion.

Completed installation of Lennox ML13 air conditioning system with T4 thermostat in residential basement location. Connected new outdoor condensing unit to existing Carrier furnace air handler, integrated refrigerant lines and condensate drainage, verified proper electrical connections, and programmed thermostat for optimal cooling performance. System tested and operational, balance payment collected from customer.

Completed full HVAC system installation including Lennox EL297UH070XV36BK furnace, ML17KC2-036-230 condenser unit, and CK40CT-36B-71 evaporator coil. Installed Aprilaire 1610 humidifier and Honeywell TH6220U2000 thermostat. Utilized locking cap tool to access service valves on existing condenser unit for proper refrigerant line connections. Performed refrigerant recovery and charging procedures using calibrated scale to ensure proper system charge. Connected all refrigerant lines, electrical wiring, and control circuits. Verified system operation and conducted startup procedures to confirm proper heating and cooling functionality.

Responded to no cooling call on Luxaire condensing unit. Diagnosed failed condenser fan motor, picked up replacement motor from supply house, and completed motor changeout. Unit tested and restored to normal operation.

Completed first scheduled Gold Level maintenance visit on a 4-month-old furnace system. Performed comprehensive system inspection including motor type verification, capacitor testing, amp draw measurements, compressor and control board evaluation, disconnect inspection, and temperature differential analysis across inlet and outlet points. All measurements were documented on standardized maintenance form, with recorded values indicating proper system operation and performance within manufacturer specifications.

Responded to service call for mini split drain line backup causing water leakage onto floor. Upon inspection, found drain line completely obstructed with debris and biological growth, preventing proper condensate drainage. Cleared blockage from drain line using appropriate tools and flushed system to restore proper flow. Verified condensate is now draining freely and no longer leaking onto floor. System operating normally with proper drainage function restored.

Responded to service call for 40-gallon gas water heater in mobile home that would not ignite. Performed on-site inspection of tanked water heater installation, examining gas control valve assembly, pilot light system, and gas supply connections. Documented existing installation conditions including flexible gas connector, control valve with red knobs, and venting configuration. Assessed unit for potential repair versus replacement options and photographed equipment including gas valve assembly, plumbing connections, and warning labels in utility closet compartment. Provided technical evaluation and recommendations to customer regarding water heater serviceability.