HVAC & Air Quality Services in Arlington Heights

Responded to no cooling complaint at residential property. Upon arrival, verified thermostat settings and observed unit was set to 77 degrees with posted temperature guidelines requiring 68-72 degrees year-round. Instructed occupant to power off system prior to arrival to prevent potential compressor damage, documented thermostat configuration and temperature control requirements with photos for service records.

# Commercial HVAC No Cooling Service Call Responded to commercial tenant facility reporting no cooling condition on rooftop packaged HVAC unit. Upon arrival, accessed unit and performed visual inspection of major components. Found significant accumulation of organic debris including leaves, twigs, and plant material around compressor and refrigerant lines, indicating lack of recent maintenance. Conducted electrical diagnostics using digital multimeter to verify compressor operation and electrical supply. Inspected copper refrigerant lines showing weathering and oxidation consistent with 16-year-old equipment. Verified all electrical connections and wiring integrity. Checked compressor specifications and safety labels for proper operating parameters. Documented equipment condition with photographs showing compressor compartment, refrigerant piping configuration, and debris accumulation affecting unit performance. Cleared organic debris from equipment platform and around copper lines

Completed comprehensive BFMA tune-up service including two air conditioning systems, water heater, and dehumidifier for equipment aged 10-15 years. Replaced failed condenser fan motor and blade assembly on one AC unit due to significant damage to internal components, removed damaged housing and control unit from property. Verified thermostat operation displaying 75°F current temperature with 76°F setpoint in cooling mode, confirmed proper system communication and temperature control functionality across all serviced equipment.

# HVAC Service Report - No Cooling Condition Resolved Responded to residential no cooling call where client reported loss of cold air for multiple days. Upon arrival, performed systematic diagnostic evaluation of outdoor condensing unit and electrical components. Conducted voltage and amperage testing at control panel using digital multimeter. Initial readings showed abnormal electrical values at 21.7V and 0.63A, indicating potential contactor failure. Inspected Copcom capacitor and associated wiring connections, verifying proper terminal connections and wire routing throughout the electrical panel. Identified failed contactor as root cause of no cooling condition. Contactor showed signs of electrical failure preventing compressor and condenser fan operation. Removed defective contactor from unit and installed new Packard replacement contactor with proper electrical specifications for the system. Verified proper amperage draw of 10.8A after contactor replacement, confirming normal

Responded to no cooling condition affecting upstairs zone while remainder of home maintained proper temperature. Inspected American Standard Silver series outdoor condensing unit (Model 4A7A3018H1100NA, 208/230V) and verified unit operational status. Reviewed ecobee smart thermostat settings displaying 88°F ambient temperature with setpoint of 72°F and 67% humidity reading. Diagnosed zoning system issue preventing adequate airflow and cooling delivery to upper level. Restored proper system operation and verified temperature recovery at thermostat.

Returned to property to complete installation of prepaid hard start kit on residential outdoor condensing unit. Successfully installed hard start capacitor assembly to compressor circuit, secured all electrical connections, and verified proper system operation with normal startup performance.

Completed comprehensive BFMA tune-up service on a 7-year-old outdoor condensing unit. Performed standard maintenance procedures including inspection of the heat exchanger coil with horizontal fins, blower fan assembly, and electrical components. Unit was found to be operating within normal parameters, with all safety labels intact and equipment properly secured on concrete pad foundation.

Completed comprehensive air conditioning tune-up on 3-year-old system, including inspection of thermostat operation and verification of proper temperature display at 70 degrees. Performed full system evaluation with detailed examination of outdoor unit components, including compressor, electrical connections, and wiring terminals, confirming all components operating within manufacturer specifications.

Completed comprehensive BFMA tune-up maintenance on three-unit HVAC system including 12-year-old furnace with Aprilaire humidifier, 4-year-old outdoor AC condenser unit, and 3-year-old mini-split system. Performed full system inspections, cleaned all components, verified refrigerant levels, tested electrical connections, checked airflow and ductwork integrity, inspected heat exchanger, replaced filters, and confirmed all equipment operating within manufacturer specifications. All systems tested and left in proper working condition with no deficiencies noted.

Completed comprehensive air conditioning tune-up on 12+ year old system, including inspection of all electrical components, control panel, Emerson SureSwitch relay module, and Titan motor run capacitor rated at 70 MFD 440/370V. Inspected blower motor assembly, verified all wire connections and terminals, checked ground connections, and documented system condition with photos of control panel and motor wiring assembly.

Completed comprehensive furnace tune-up on residential HVAC system over 5 years old. Performed thorough inspection of heat exchanger coils, which showed clean metallic fins in good operational condition with proper spacing and no visible damage or corrosion. Replaced existing air filters with new units to ensure optimal airflow and system efficiency. Conducted standard maintenance protocols including system performance verification and safety checks. Unit operating within normal parameters upon completion.

Completed comprehensive air conditioning tune-up on residential unit aged 9+ months. Performed thorough inspection of condenser coil fins, which were found to be in clean condition with proper spacing and no significant debris accumulation. Verified all system components for proper operation and documented equipment condition through photographic records of condenser unit and basement mechanical area including sump pump system.

Completed comprehensive air conditioning tune-up on residential HVAC system over three years old. Inspected and serviced evaporator coil assembly and condenser unit, noting accumulated debris near outdoor condenser fins that was cleared to ensure optimal airflow and heat transfer efficiency. All system components were evaluated, cleaned, and verified to be operating within normal parameters for continued reliable cooling performance.

Completed installation of Lennox EL15CK1-036 air conditioning condenser unit on existing concrete pad against exterior wall with light blue vinyl siding. Unit positioned with proper clearance for airflow and service access, connected to electrical disconnect box mounted on exterior wall via conduit. AC system paired with furnace and coil previously installed in October 2025 to complete staged HVAC installation. Unit tested and operational, with 27A03 module noted for future installation to finalize system setup.