Completed comprehensive cooling maintenance per CCC Basic Monthly service agreement. Performed full system inspection of outdoor condenser unit, checked refrigerant pressures and temperatures using digital manifold gauge set, confirmed system operating within manufacturer specifications at 216.3 psi high side and proper superheat/subcooling values. Cleaned condenser coils, inspected electrical connections and refrigerant lines, verified proper unit operation. Customer requires 20x20x4 filter which is not included in basic service agreement.

Returned to address previous frozen system condition. Upon arrival, verified thermostat operation and confirmed unit is now cycling properly in cooling mode with temperature reading 48°F and system responding to setpoint adjustments. System operating normally with no freeze-up present at time of inspection.

Completed comprehensive cooling check on two HVAC systems. Inspected Trane air handler unit located in crawl space, verified proper operation of all components, checked refrigerant levels, and tested system controls. Verified thermostat functionality showing system in heating mode with proper temperature display and zone control operation. Both systems operating within normal parameters. Unable to determine filter size during this visit; recommend obtaining proper measurements for future filter replacements. Service contract renewed through 7/31/26.

Completed comprehensive whole home plumbing inspection with specific focus on tankless water heater system performance and operation. Inspected kitchen sink plumbing infrastructure, including P-trap configuration, drain assembly, and hot/cold water supply lines, documenting conditions with photographs for customer records. All accessible plumbing components were visually assessed for proper function, potential leaks, and code compliance.

Completed rescheduled annual heating maintenance visit on Lennox furnace system. Performed comprehensive inspection of gas-fired heating unit including burner assembly, heat exchanger, ignition system, and blower motor operation. Verified proper thermostat function and system response, confirmed heating cycle operation with setpoint at 68°F. Inspected condensate drain lines and PVC venting system for proper drainage and secure connections. Checked gas line connections, ductwork, and all mounting hardware for secure installation. System operating within normal parameters with no deficiencies noted at time of service.

Completed preventive maintenance inspection on residential cooling system. Customer reported high electric bill concerns. Verified thermostat operation and settings at 63°F on Honeywell Home ProSeries unit. Inspected mechanical equipment room including water heater, pressure tank, and associated plumbing connections. Documented all equipment conditions through photographic records per monthly filter service protocol. System operational at time of departure.

Responded to diagnostic service call for conventional HVAC system with ceiling-mounted equipment. Upon arrival, evaluated Honeywell Home ProSeries thermostat displaying 73°F with permanent hold setting active. Documented thermostat operation and display readings for diagnostic purposes to determine system performance issues.

# Service Report: Clogged Drain/Sink Responded to service call for persistent drain clog that customer was unable to clear with repeated attempts. Upon arrival, performed diagnostic assessment of plumbing system to locate obstruction. Successfully cleared stubborn blockage from affected drain line using professional-grade augering equipment and hydro-jetting techniques. Verified proper water flow and drainage functionality upon completion. System tested and restored to normal operating condition.

Replaced deteriorated bathroom faucet shutoff valve showing significant oxidation and mineral buildup. Installed new chrome shutoff valve with flexible water line connection, ensuring proper seal and functionality. Inspected surrounding plumbing infrastructure for additional water damage and verified system operation with no leaks upon completion.

Diagnosed mini-split system displaying P6 error code on Senville indoor unit. Identified issue with outdoor condenser unit and repaired faulty components causing system failure during cold weather operation. System now functioning properly with heat output restored.

Performed scheduled Comfort Care maintenance on both heating and cooling components of a Daikin HVAC system. Conducted comprehensive inspection and service of the complete system according to manufacturer specifications. System is functioning properly with next filter replacement (16x20x4) due at next maintenance visit; customer's service agreement renewal scheduled for 1/31/25.

Responded to warranty service call for recently installed Lennox heat pump system that customer reported would not turn on. Inspected outdoor condenser unit and Lennox digital thermostat, which was properly displaying temperature readings and set to "heat only" mode with a heat-to temperature of 60°. Resolved operational issue and verified system functionality before completing the service.

Completed warranty service on HVAC installation by inspecting and resealing roof penetration where vent pipe exits through metal roof. Applied tar sealant at the junction of the pipe and flexible boot to ensure proper weatherproofing. Will return to apply additional tar sealant to completely secure the roof penetration against potential water intrusion.

Completed installation of a new Lennox AC and gas furnace system. Performed comprehensive system testing with digital manometer showing appropriate pressure readings and verified proper temperature operation with digital thermometer displaying 79.9°F, ensuring system meets manufacturer specifications and optimal performance parameters.

Responded to emergency water alarm activation at commercial property. Discovered water accumulation on floor beneath HVAC condensate drain system. Inspected galvanized metal housing and PVC drainage pipes, identified blockage in primary condensate line causing overflow. Cleared obstruction, verified proper drainage function, and confirmed system operation before departure.

Completed scheduled heating maintenance service (rescheduled from previous date). Replaced 20x20x4 air filter with new unit as included in maintenance agreement. Inspected Honeywell Home ProSeries thermostat, which is functioning properly with temperature differential noted (68° set point, 73° actual). System operating within normal parameters.

Responded to callback for geothermal system shutting down and not producing floor heat. Performed diagnostic inspection of control panel and electrical components, verifying proper operation of all pumps and water circulation. System was cycled and monitored for 30 minutes with no faults detected, confirming proper functionality at 40psi in/35psi out with 32°F in/25°F out temperatures.

Performed routine maintenance on Lennox heat pump system (model EL16KP1-036-230A01, manufactured 02/2022). Inspected unit, replaced filter, and renewed maintenance agreement through 6/19/26. System is operating properly with factory charge of 7 LBS 0 OZ.

Performed routine monthly maintenance on Carrier HVAC heating system. Inspected unit for proper operation, including evaluation of ductwork connections and condensate drainage system. All components found to be in normal working condition with no visible issues or required repairs.

Performed scheduled heating maintenance service on two CCH systems. Inspected and verified proper operation of Honeywell thermostats, confirming heat mode functionality with temperature settings at 72°F/76°F. Replaced air filters with new 16x20x4 filters as part of maintenance agreement valid through 6/22/26.