Service Area

Responded to after hours dispatch for outdoor fan motor failure on one-year-old condensing unit. Performed diagnostic evaluation of electric heat pump system and identified faulty condenser fan motor preventing unit operation. Inspected indoor evaporator coil assembly and refrigerant lines, noting significant moisture accumulation on equipment room floor indicating potential condensate drainage concerns that require monitoring. Provided customer with repair options and system status assessment.

Replaced defective ECM blower motor assembly in attic-mounted air handler unit. Removed old motor, installed new ECM blower motor, and verified proper operation of the HVAC system upon completion.

Responded to after-hours diagnostic call for AC system with inadequate airflow and cooling performance. Thermostat set to 68°F but indoor temperature reading 77°F. Performed visual inspection of ductwork system using borescope camera to identify airflow restrictions. Camera inspection revealed significant dust and debris accumulation within supply ductwork and interior duct surfaces showing signs of contamination. Documented findings with inspection photos showing buildup on duct interior walls and seams. System producing cool air but insufficient air velocity at registers. Identified likely cause as restricted airflow due to dirty ductwork and possible additional restrictions requiring further investigation. Contacted property manager with diagnostic findings and recommended duct cleaning service and full system evaluation to restore proper airflow and cooling capacity.

# Installation Summary Completed refrigerant conversion and component replacement on a 3.5-ton mobile home HVAC system, transitioning from R-410A to R-22 refrigerant specifications. # Work Performed Recovered all existing R-410A refrigerant from the system using recovery equipment per EPA regulations. Removed the existing R-410A thermal expansion valve (TXV) from the evaporator coil assembly and installed a replacement R-22 compatible TXV rated for 3-5 ton applications. Accessed the liquid line and removed the existing filter drier. Installed a new liquid line filter drier with appropriate brass fittings to ensure proper filtration and moisture removal from the refrigerant circuit. Brazed all connections using nitrogen purge to prevent oxidation and contamination of copper tubing. Performed vacuum procedure on the complete system to remove moisture and non-condensables. Pulled system down to 500 microns and held vacuum to verify system integrity and absence of leaks. Charged th

Completed installation of 3-ton air handler unit in attic space per PO# J3954-001. Unit was positioned on wooden platform with proper clearances, flexible metallic ductwork was connected and routed throughout attic space, and all electrical connections were made to equipment. Installation was photographed and verified operational.

Completed ductwork repairs in attic space, addressing deteriorated flexible duct sections and ensuring proper support and insulation integrity. Installed two new Nuve smart thermostats and performed system diagnostics using digital manifold gauges to verify proper refrigerant pressures and overall HVAC system performance following the installation and repairs.

Performed system pump down and removed evaporator coil for thorough cleaning due to heavy accumulation of dust, dirt, and debris that was significantly restricting airflow and reducing system efficiency. The coil fins were completely clogged with thick, matted contamination throughout all surfaces. After cleaning and reinstalling the coil, sealed the return ductwork to prevent future air leakage and restore proper system operation.

Completed comprehensive estimate for ductwork replacement in residential attic space. Documented existing HVAC system showing deteriorated air handler unit with significant rust and corrosion, along with heavily soiled flexible ductwork exhibiting accumulated dust, dirt, and compromised insulation integrity throughout the installation.

Completed comprehensive inspection of three HVAC systems: master bedroom 2-ton unit, living room 4-ton unit, and upstairs 2-ton unit. All systems were found to be operating within normal parameters with no mechanical deficiencies noted. Verified proper operation of compressors, air handlers, refrigerant pressures, and airflow on all three units. Inspected upstairs bathroom exhaust vent ducting in response to minor mold concerns identified during home inspection. Confirmed vent ductwork is properly installed and terminates to building exterior as required by code. Flexible aluminum ductwork observed in attic space shows proper support, secure connections, and adequate insulation. No disconnections, improper terminations, or code violations were identified. Mold occurrence appears related to inadequate ventilation fan usage during bathroom use rather than any mechanical deficiency. Replaced three 12x12x1 air filters on the upstairs 2-ton system as requested. Confirmed the two other sys

Conducted attic assessment for HVAC system evaluation. Inspected existing ductwork configuration, including central plenum distribution box and flexible insulated branch ducts running throughout the attic space. Documented current system layout, structural framing, and insulation conditions. Prepared estimate for window unit installation as discussed with customer.

Responded to service call for intermittent thermostat display blanking causing AC system shutoff. Customer reported Honeywell thermostat would randomly lose display and shut down air conditioning operation, though no cooling performance issues were present when system was running. Performed diagnostic inspection of HVAC system including attic-mounted air handler unit installed June 2023, documented refrigerant line connections, condensate drainage system, and electrical wiring configuration. Assessed thermostat power supply and system operation to determine cause of intermittent display failure.

# Diagnostic Summary Responded to customer complaint of air conditioning system running continuously without adequately cooling the space. Upon inspection, found HVAC system exhibiting significant age-related deterioration with heavy oxidation on copper refrigerant lines and extensive rust and corrosion throughout the evaporator coil assembly. Connected Fieldpiece digital manifold gauges to measure system pressures and temperatures. Readings indicated abnormal operating conditions with pressure at 244.4 PSIG and temperature reading of 793°F, suggesting potential refrigerant charge issues or compressor malfunction. The heavily corroded evaporator coil and deteriorated condition of refrigerant lines are likely contributing to reduced heat transfer efficiency and poor system performance. Service valves showed signs of age but remained accessible for testing. The extensive corrosion on internal components, combined with abnormal operating parameters, indicates system is operating well bey

Responded to customer callback regarding HVAC system concerns. Performed thorough inspection of attic-mounted air handler unit and associated ductwork. Documented current installation conditions including metallic supply ductwork, flexible return duct connections, and condensate drain piping. Verified equipment labels and specifications were intact. Assessed insulation placement around ductwork and between floor joists. Photographed system components to provide visual documentation of current installation status and address customer's questions about the ongoing situation.

Responded to service call for Carrier air handler unit that stopped functioning following multiple power outages. Conducted diagnostic inspection of attic-mounted HVAC system and confirmed control board failure as suspected cause of system malfunction. Documented equipment condition with photos showing air handler installation, ductwork connections, refrigerant lines, and condensate drain configuration for estimate preparation and repair recommendations.

Replaced 12" flex duct for bypass on main zone system. Completed sealing and insulation of all boots, wyes, and joints throughout the ductwork system. Verified proper insulation coverage on all connections to ensure system efficiency and prevent thermal loss in attic space.

Completed comprehensive estimate for full HVAC system replacement of failed 4-ton unit. Existing system deemed non-operational and beyond economical repair. Documented current attic installation conditions including deteriorated flexible ductwork, compromised insulation coverage, and outdated equipment configuration to provide accurate replacement specifications and scope of work required.

Installed 14x25 return air plenum with collars in attic space, connecting to existing ductwork infrastructure. Completed HVAC system integration with proper metallic flex duct connections to air handler unit, ensuring secure mounting and adequate insulation coverage. Obtained required manufacturer warranty documentation for Amana equipment.

Responded to after-hours emergency service call for HVAC system not producing cold air. Customer reported indoor fan running but no cooling, with previous unsuccessful service attempts by another contractor. Upon arrival, performed comprehensive system diagnostics including electrical testing at outdoor disconnect using multimeter. Verified power supply to condensing unit and checked voltage at disconnect terminals. Inspected indoor air handler unit and associated electrical connections in mechanical space. Documented equipment conditions and electrical measurements with photos for service records. System evaluated for compressor operation, refrigerant circuit integrity, and control circuit functionality to identify root cause of cooling failure.

Responded to cooling complaint with indoor temperature at 80 degrees. Upon inspection of the HVAC system, accessed the mechanical compartment and examined refrigerant lines, valves, and connection points for potential refrigerant loss or system deficiencies. Documented equipment condition with photos showing copper refrigerant piping, valve assemblies, and internal components for further diagnostic assessment and recommended repairs.

Completed standard AC system inspection including examination of electrical control panel and verification of all major components. Inspected contactor, circuit breakers, capacitor, and control wiring for proper operation and connections. Accessed crawl space to verify refrigerant lines and condensate drainage. System operating within normal parameters. Customer enrolled in membership program for ongoing maintenance coverage.

Responded to service call for upstairs unit that stopped cooling. Performed comprehensive leak search on upstairs HVAC system and completed annual cooling maintenance inspection. Installed return air filter and verified proper airflow through return air grille. Inspected flexible ductwork in attic space, examining interior insulation and verifying structural integrity of duct connections. Replaced air filter at return air vent and ensured proper system operation upon completion.

Conducted site assessment at commercial scale house facility to provide estimate for replacement of existing 3-ton HVAC system. Documented current system specifications including single-phase 208-230V electrical requirements and measured supply/return air dimensions for proper equipment sizing. Photographed existing installation and building structure to ensure accurate equipment selection and installation planning for replacement unit.

Conducted attic inspection and photographed existing HVAC air handler installation. Documented central air handler unit mounted on platform with associated flexible ductwork distribution system. Observed condensate pump assembly, electrical connections, and insulated duct runs throughout attic space. Assessed current equipment configuration and accessibility for future service requirements.

Conducted second opinion evaluation for upstairs HVAC system. Documented exterior condensing unit installation on concrete pad with electrical disconnect and conduit connections, as well as attic ductwork configuration including flexible metallic ducting with support strapping and insulation placement. Assessment completed to provide estimate for system servicing or replacement needs.

# Condensate Pump Installation with Safety Controls Completed installation of condensate pump system with dedicated drain pan and float switch for HVAC air handler unit located in attic space. Mounted condensate pump assembly adjacent to existing air handler, ensuring proper positioning for gravity drainage from unit into pump reservoir. Installed dedicated safety drain pan beneath air handler to capture overflow or leak conditions. Integrated float switch into pan as secondary safety control to shut down system operation in event of primary drainage failure or pump malfunction. Wired float switch into unit control circuit to interrupt compressor operation when activated. Routed black insulated refrigerant lines and white PVC condensate discharge piping according to manufacturer specifications. Secured all piping and tubing to floor joists using appropriate fasteners to prevent movement and ensure proper pitch for drainage. Connected condensate drain line from air handler coil to p