Heating & Air Conditioning Services in Lisle, IL

Responded to callback for residential air conditioning system. Replaced failed 45/5 capacitor and installed surge protector to protect equipment from electrical damage. System tested and confirmed operational with proper voltage and amperage readings.

Responded to callback for thermostat temperature discrepancy where displayed reading remained at 68°F despite setpoint of 78°F. Inspected outdoor condensing unit and confirmed proper operation of compressor and condenser fan. Verified electrical connections at outdoor unit were secure and system was receiving proper voltage. Unit showed no visible signs of mechanical failure or refrigerant issues. Documented equipment condition with photographs for service records.

Performed A/C service tune-up and addressed ongoing thermostat issues reported by customer. Inspected air handling unit and verified proper installation of four pleated air filters in V-shaped configuration. Evaluated outdoor condensing unit operation and confirmed proper placement on concrete pad with adequate clearance from surrounding vegetation. Troubleshot thermostat concerns to determine if related to previous service work.

Completed comprehensive AC tune-up service on Berner International air conditioning system located in basement utility area. Performed standard maintenance inspection including system performance evaluation, refrigerant level check, electrical component testing, and airflow verification. Documented equipment age and model information for service records, photographed unit identification labels and installation configuration for future reference.

Completed BFMA tune-up service on a 5-year-old residential air conditioning system. Upon inspection, discovered significant ice and frost buildup on the evaporator coil assembly, indicating a potential refrigerant restriction, airflow issue, or low refrigerant charge. Documented the iced coil condition and outdoor condensing unit with photographs. The heavy frost accumulation on the upper portions of the coil fins and copper refrigerant lines suggests the system was experiencing reduced cooling capacity and efficiency. Inspected the outdoor condensing unit, which appeared in serviceable condition with proper installation on a concrete pad. The unit showed normal wear consistent with its age, with some debris accumulation noted. Recommended further diagnostic testing to determine the root cause of the freezing condition, which may require checking refrigerant levels, verifying proper airflow across the coil, inspecting the metering device, and evaluating the air filter and ductwork for

Completed comprehensive BFMA tune-up service on 14-year-old air conditioning system. Performed thorough inspection of all major components including blower motor assembly, electrical connections, control board with digital display interface, and ductwork system. Verified proper operation of electronic controls, cleaned accumulated dust and debris from interior components and metal platform surfaces, checked all wiring harnesses and connections for secure fit and proper condition, and inspected copper refrigerant lines and PVC condensate drainage. System tested and confirmed operating within normal parameters upon completion of preventive maintenance procedures.

Completed comprehensive BFMA tune-up service on residential air conditioning system as part of recurring maintenance agreement. Performed full system inspection including electrical connections, contactors, and capacitor testing. Replaced failed dual run capacitor showing signs of terminal corrosion and deterioration, restoring proper compressor and condenser fan motor operation. Verified all wire connections at contactor assembly were secure, inspected terminal block for proper contact, and confirmed voltage readings within manufacturer specifications. System tested and operating efficiently upon completion.

Completed comprehensive BFMA tune-up and AC inspection on 5-year-old system scheduled for afternoon arrival with 30-minute notice provided via text. Performed visual inspection of outdoor condenser unit, noting moderate dust and debris accumulation on horizontal fins of cylindrical coil assembly; inspected electrical connections at terminal block with multi-conductor wiring secured with cable ties showing proper termination and no signs of overheating or corrosion. All components found operational with normal wear patterns consistent with equipment age and outdoor exposure.

Completed comprehensive BFMA tune-up on aging Bryant outdoor condensing unit (15+ years old). Performed full system inspection, cleaned condenser coils showing accumulated dust and debris on metal fins, verified electrical connections at disconnect box, and tested operational performance. Unit operating within normal parameters upon completion of preventive maintenance service.

Isolated and drained water heater system to safely access and replace the malfunctioning gas control valve. Installed new manufacturer-warranted gas control valve with proper copper pipe connections and verified all fittings were secure. Refilled tank, purged air from system, relit pilot light, and tested unit for proper temperature regulation and leak-free operation.

Completed comprehensive BFMA tune-up service on an 11-year-old Carrier air conditioning condenser unit. Performed standard maintenance protocol including inspection of all major components, refrigerant line assessment, electrical connections verification, and condenser coil evaluation. Unit found to be operating within normal parameters with all systems functioning properly at time of service completion.

Completed semi-annual BFMA preventative maintenance on residential AC system. Performed comprehensive tune-up including system inspection, replaced 16x25x5 air filter, and evaluated evaporator coil which showed evidence of biological growth and debris accumulation between fins. Exterior condensing unit inspected and found operational with adequate clearance despite surrounding vegetation. System running within normal parameters upon completion of service.

Responded to thermostat error code alerts on Trane system. Diagnosed missing sensor communication faults displayed on control panel showing IDT SensIT device errors for unit 2140R5A LSX. Documented current alert conditions and system status for follow-up resolution of sensor connectivity issues.

Completed scheduled BFMA preventive maintenance on two rooftop units, performing comprehensive tune-up procedures and replacing air filters on both systems. Inspected electrical connections, verified refrigerant charge on Puron systems, checked airflow operation, and confirmed all mechanical components were functioning properly. All equipment operating within manufacturer specifications upon completion.

Performed scheduled humidifier tune-up service and conducted comprehensive client education on proper system operation. Inspected Honeywell thermostat functionality and verified proper wiring connections to the humidifier control valve. System left operating at optimal performance with client demonstrating understanding of operational controls.

Performed comprehensive BFMA tune-up service on residential HVAC system located in basement utility area, including inspection and maintenance of Rheem water heater and furnace unit. Completed scheduled filter replacement (#213) and verified proper operation of all system components including condensate drainage, ventilation, and ductwork connections.

Performed diagnostic inspection on furnace system after client reported inadequate heat distribution and efficiency concerns. Discovered severely clogged air filter with significant dust and debris accumulation in diamond-pattern mesh, causing restricted airflow through vents. Replaced filter to restore proper system airflow and improve heating efficiency.