Removed and disposed of existing HVAC system. Installed Mitsubishi Electric MUZ-GX12NL heat pump outdoor unit on risers atop existing pad and MSZ-GX12NL indoor fan coil unit. Ran new 35-foot refrigeration lineset with R454B refrigerant, condensate drain line, and low voltage control wiring. Utilized existing line penetration where possible; otherwise installed new PVC line hide for aesthetic concealment. Installed new surge disconnect with whip assembly while utilizing existing power wiring from disconnect to outdoor unit. Mounted outdoor unit on equipment risers for proper elevation and drainage. Performed system startup, charged refrigerant to manufacturer specifications, and verified all operating parameters using digital manifold gauges. Confirmed proper heating and cooling operation with all electrical values within acceptable ranges per unit nameplate specifications.

Responded to service call initially dispatched as a no cooling issue but confirmed with customer that the actual concern was a heating system malfunction. Performed visual inspection of HVAC system and removed air filter for evaluation, which showed moderate dust accumulation and required replacement. Documented equipment condition with photographs for service records.

Completed full system replacement including removal and disposal of existing HVAC equipment. Installed new Carrier 27SCA530A003 2.5-ton 15 SEER heat pump with outdoor unit mounted on pressure-treated wood platform, Carrier FJ5ANXB30L00 air handler in crawl space, and Carrier 10kw electric heat pack. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork. Replaced outdoor disconnect and electrical whip while reusing existing electrical service, condensate drain lines, and power connections. Installed Honeywell TH6320WF digital WiFi thermostat for system control. Secured air handler on concrete block supports with proper clearances, verified all electrical connections meet code requirements, tested condensate drainage system, and confirmed proper airflow through adapted ductwork. System commissioned, tested for proper operation in heating and cooling modes, and filter installed at unit. Customer enrolled in one-year platinum comprehensive maintenance

Responded to a no-cooling call where the outdoor unit failed to start. Diagnosed a failed capacitor, replaced the defective component, and verified proper system operation with full cooling restored.

# HVAC Service Completed Responded to no cooling complaint on main downstairs AC unit serving lower level of residence. Customer reported thermostat set at 75°F but house temperature remained at 82°F overnight, dropping only to 79°F by morning. System was running continuously with vents producing cold air but minimal airflow delivery. Upon arrival, confirmed unit operation with compressor running and refrigerant lines cold to touch, indicating proper cooling cycle. However, airflow from supply registers was significantly reduced throughout affected zone. Noted recent air handler replacement had been performed on this older system. Accessed air handler cabinet and evaporator coil section for inspection. Photos documented interior condition revealing severely restricted airflow through evaporator coil assembly. Found extensive insulation material displacement within cabinet, with yellow fiberglass insulation pulled away from proper mounting positions and migrating into airstream pathw

Removed and disposed of existing package unit. Fabricated and installed metal duct transitions to adapt existing ductwork to new equipment. Installed large central ducted return in living room routed through closet for improved air circulation. Reused existing electrical service, condensation drain line, and power supply connections to minimize modifications. Installed American Standard 5A6H70361000 3-ton 17 SEER two-stage heat pump outdoor unit on plastic pad with snow legs for proper drainage and seasonal protection. Replaced outdoor disconnect and electrical whip to meet current code requirements. Mounted American Standard 5TXCB006 evaporator coil inside with media filter housing at unit. Installed Nexia 824 smart thermostat for system control and remote monitoring capabilities. Completed system startup, charged refrigerant to manufacturer specifications, and verified proper operation of two-stage heating and cooling functions. System tested and operational with all safety control

Conducted on-site evaluation of existing 15,000 BTU ductless mini-split system servicing above-garage room. Unit is approximately 18 years old, wall-mounted near ceiling in corner location, currently operational but replacement requested due to age. Measured existing indoor air handler dimensions and documented installation configuration. Assessed room layout, electrical access, and refrigerant line routing for replacement equipment specifications. Provided estimate for complete mini-split system replacement including new indoor and outdoor units.

Responded to no-cooling call on downstairs system where outdoor unit was running but no airflow was present. Upon inspection in crawlspace, found air handler with wiring exposed during troubleshooting and confirmed lack of blower operation. Instructed customer to shut system off and set thermostat fan to "on" position to verify blower motor functionality independently of cooling cycle, isolating the issue to indoor air handler components rather than outdoor condensing unit.

Removed and disposed of existing water heating system. Installed new Rinnai RE199iP tankless water heater with complete water supply connections, gas line hookup, and proper venting system. Configured all necessary plumbing connections including hot and cold water lines with shutoff valves, expansion tank, and pressure regulation components. Installed PVC exhaust venting through ceiling with appropriate mounting hardware and gasket seals. Connected gas supply line with shutoff valve and completed all electrical connections. System tested and operational, displaying proper temperature readings on digital control panel.

Responded to report of water leaking near driveway and discovered significant water pooling on asphalt surface adjacent to property. Upon investigation, identified active water leak originating from underground supply line, causing continuous flow and accumulation of standing water across paved area near HVAC equipment. Isolated the affected water line, performed necessary repairs to stop the leak, and restored proper water flow to the system while preventing further damage to the driveway and surrounding landscape.

Responded to repeat no cooling complaint on residential HVAC system. Upon arrival, inspected indoor air handler unit and electrical panel serving the system. Verified proper electrical supply at breaker panel, checked system wiring connections, and examined refrigerant line set routing from air handler to outdoor condensing unit. Documented equipment installation and electrical components with photographs for service records to assist with ongoing diagnostic history given multiple previous service calls for same cooling issue.

Diagnosed refrigerant leak in outdoor coil of communicating HVAC system. System is out of warranty and requires replacement of both the outdoor coil and condensing unit. Provided estimate for complete outdoor unit replacement to restore system functionality.

Responded to emergency no-cooling call for heat pump system showing error code on thermostat. Upon arrival, found 2015 original equipment communicating furnace and air handler installation in basement/attic configuration. Diagnosed system fault, cleared error code, and verified proper operation of heat pump components. Documented equipment condition with photos showing furnace unit with communicating technology, associated ductwork including 20x20 plenum, and PVC condensate drainage system. System restored to normal cooling operation.

Completed scheduled cooling maintenance visit on Trane air handler unit located in crawlspace. Performed standard cooling system inspection including filter check, refrigerant level verification, electrical connection assessment, and condensate drain line evaluation. Unit operational and all components functioning within normal parameters at time of service.

Responded to water leak investigation under residential structure near water heater and main shut-off valve. Upon inspection, identified failed pipe connection at plumbing assembly with compromised fitting integrity. Located source of leak at vertical pipe stack where brass fitting connected to deteriorated plastic pipe section showing significant wear and damage at connection point. Removed defective components including worn pipe segment with rough, damaged edges. Documented existing plumbing configuration featuring metal pipes, PVC sections, and ball valve assembly with evidence of previous repair attempts. Photographed failed components and overall system condition for reference. Recommended replacement of compromised fittings to restore system integrity and prevent continued water loss.

Responded to service call for Rinnai tankless water heater experiencing beeping alarm and complete loss of hot water. Upon inspection, determined the 2013 unit had reached end of service life and required full replacement. Installed new tankless water heater system with proper venting through white PVC exhaust assembly, including curved elbow connections and wall-mounted termination. Completed installation of expansion tank with pressure relief components, integrated main water line connections with brass shut-off valves for both hot and cold supply lines, and installed flexible connector hoses for proper system operation. All plumbing connections tested and verified leak-free, unit operational and providing hot water upon completion.

Responded to no cooling complaint on residential HVAC system. Upon arrival, accessed system in utility space and performed diagnostic evaluation. Measured supply air temperature registering 51.87°F, indicating adequate cooling performance. Inspected air filter measuring 16x20x1 and found moderate dust accumulation restricting airflow. Replaced dirty filter with new unit to restore proper system airflow and efficiency. Verified system operation and confirmed adequate cooling delivery throughout occupied space. System returned to normal operation after filter replacement.

Performed routine cooling maintenance visit on multi-system HVAC installation. Inspected outdoor condensing unit, verified operational status of all components, and confirmed thermostat programming and temperature control functionality. All systems operating within normal parameters at time of service.

Completed full HVAC system replacement including removal and disposal of existing equipment. Installed new Lennox ML14KC1-024 2-ton 14 SEER condensing unit on pressure-treated wood platform with new outdoor disconnect and electrical whip. Installed Lennox CBK45UHET-030 air handling unit in attic space, suspended from structural framing with appropriate support chains. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork system. Reused existing condensate drain lines and power supply lines where serviceable. Installed Honeywell digital WiFi thermostat for system control. Verified proper refrigerant charge, airflow, and electrical connections. System tested and operational with one-year parts warranty coverage provided on complete installation.

Completed full residential HVAC system replacement consisting of three independent climate control systems. Removed and properly disposed of all existing equipment, then installed new Lennox systems with metal duct transitions adapted to existing ductwork while reusing existing condensation lines. **System 1 - Garage/Downstairs Main:** Installed Lennox EL297DF110XV60 97% variable speed gas furnace paired with ML14KC1-059 5-ton 14 SEER air conditioner, CK40DT-50/60C evaporator coil, LP conversion kit, and Aprilaire 2200 filtration system. Mounted Honeywell digital WiFi thermostat in downstairs hallway for zone control. **System 2 - Billiards Room Closet/Upstairs Main:** Installed Lennox EL297UH090XE48 97% ECM gas furnace with ML14KC1-048 4-ton 14 SEER air conditioner, CK40CT-48C-71 evaporator coil, LP conversion kit, and Aprilaire 2200 filter. Configured Honeywell digital WiFi thermostat for independent upstairs climate management. **System 3 - Pool Room System:** Installed Lennox ML