Heating & Cooling Services in Chicago, IL

Completed annual clean and check maintenance on residential air conditioning system per comfort plan agreement. Inspected and photographed blower motor assembly and evaporator coil components, confirming proper operation of all mechanical systems. Verified blower wheel rotation, checked electrical connections, and documented equipment model numbers for service records.

Responded to service call for non-functioning thermostat affecting air conditioning system operation. Upon arrival, performed comprehensive diagnostic evaluation of HVAC system including outdoor condensing unit inspection. Found significant debris accumulation on condenser coil fins restricting airflow, which was contributing to system performance issues. Utilized vacuum pump, refrigerant gauges, and digital diagnostic meters to assess system pressures and operation. Documented equipment condition with photographic evidence showing dirty condenser coil through protective grille and service equipment setup. Verified thermostat communication with system and documented all equipment information for service records.

Completed comprehensive Clean and Check maintenance service on residential HVAC system per Comfort Plan agreement, addressing customer concern of unusual noise upon seasonal startup. Performed full inspection of indoor furnace unit and outdoor condensing unit, verified all mechanical and electrical components operating within normal parameters, and confirmed proper refrigerant line connections and system functionality with no abnormal sounds detected during operation.

Performed comprehensive Comfort Plan clean and check maintenance on single HVAC system located in confined outdoor space between buildings. Completed thorough inspection of both condensing units, verified proper operation of all components, cleaned coils and checked refrigerant levels, tested electrical connections and controls, and documented system conditions with photos. All equipment found operating within normal parameters with no immediate service needs identified.

Responded to service call for air conditioning unit cycling on and off intermittently. Upon arrival, performed system diagnostics and inspected all major components. Examined air return filter which showed significant dust and debris accumulation restricting airflow. Inspected condensing unit and found dual capacitor system with Mitco run capacitor and Titan Pro capacitor showing signs of wear and potential failure. Checked all electrical connections, contactor operation, and wiring integrity. Noted purple wiring connections and relay components functioning within normal parameters. Documented equipment condition through photographic evidence of air filtration system and electrical panel components. Recommended filter replacement to restore proper airflow and prevent future cycling issues. Discussed system performance expectations and preventative maintenance options with customer to ensure optimal unit operation and longevity.

Responded to warranty call for second floor air conditioning system found completely flat with no refrigerant charge. Diagnosed refrigerant leak at suction line flare connection, evidenced by excessive oil accumulation at the fitting. Tightened flare connection to manufacturer specifications using calibrated torque wrench. Pressurized system with nitrogen and performed bubble test on all refrigerant connections to verify leak repair. Upon confirmation of leak-free system, evacuated to proper vacuum levels and recharged system to factory specifications. System restored to proper operation.

Performed Comfort Plan Clean and Check on single HVAC system. Upon arrival, customer reported air conditioning unit not functioning properly. Completed comprehensive system diagnostics to identify root cause of cooling failure. Accessed outdoor condensing unit located in side yard service corridor. Conducted standard maintenance inspection including visual assessment of equipment condition, electrical connections, and refrigerant lines. Performed additional diagnostic procedures as needed to troubleshoot reported cooling issue and determine necessary corrective actions. System evaluated and serviced per maintenance protocol.

Completed comprehensive Clean and Check maintenance on rooftop AC system, humidifier, and water heater per Comfort Plan agreement. Performed diagnostic testing on rooftop unit including capacitor inspection and electrical measurements using digital multimeter, recording voltage and capacitance readings to verify proper system operation. Reviewed existing furnace repair estimate with customer for future scheduling consideration, with all systems currently operating within normal parameters following maintenance procedures.

Responded to service call for AC unit cycling on and off with inadequate cooling. Upon inspection of the HVAC system located in the utility space, assessed the air handler, associated ductwork, and mechanical components. Evaluated system performance and determined that repair was not economically viable given the age and condition of the equipment. Provided comprehensive estimate for complete system replacement including new air handler unit, condenser, refrigerant lines, and necessary electrical connections. Documented existing installation configuration including access panel locations and current equipment setup through photographic records to facilitate accurate replacement specifications.

Performed comprehensive tune-up and maintenance on a residential split HVAC system with rooftop condensing unit and attic-mounted air handler. Conducted electrical diagnostics using digital multimeter to verify proper voltage and amperage readings at all major components including compressor, condenser fan motor, and blower motor. Inspected all electrical connections, control boards, and wiring harnesses for integrity and proper operation. Examined evaporator coil, refrigerant lines, and blower assembly within air handler cabinet. Replaced 12x20x1 air filter to ensure proper airflow and system efficiency. Verified all safety controls, capacitors, and contactors functioning within manufacturer specifications. System operating normally upon completion of tune-up service.

Replaced defective Caleffi zone valve in hydronic heating system and verified proper operation of all three zone circulators. Removed failed valve from control panel assembly and installed new replacement unit, reconnecting all wiring to circuit board terminals and ensuring secure electrical connections. Tested system operation to confirm zone valve actuates correctly and circulator pumps respond appropriately to thermostat calls.

Mounted control panel for Solaris air purification system on second floor HVAC unit and disconnected and removed transformer from previously removed air scrubber. Coordinated with office for property management approval prior to completing installation work on commercial building system.

Completed comprehensive clean and check maintenance on single-system HVAC equipment per comfort plan agreement, including rooftop condensing unit and attic-mounted Carrier air handler. Performed electrical testing with clamp meter on outdoor unit, inspected refrigerant lines, verified proper operation of all components, and documented system condition with photographs for service records.

Conducted on-site evaluation for complete air conditioning system replacement. Existing condensing unit located on rear wooden deck accessible through interior of home shows significant age-related deterioration, corrosion on fan assembly, and rust staining throughout components. Unit has been non-operational for extended period. Documented equipment condition and deck-mounted installation location for preparation of replacement estimate and new system installation planning.

Responded to warranty call for two recently installed AC units not cooling properly. Upon inspection, identified refrigerant loss in both systems. Performed leak detection, located leaks at service valve connections, repaired connections, evacuated and recharged both units to manufacturer specifications, and verified proper cooling operation before departure.

Completed spring preventative maintenance on American Standard HVAC system per comfort plan protocol. Performed thorough clean and check of air conditioning unit, inspected blower motor assembly and heat exchanger components, verified all electrical connections and wiring were secure, and documented system condition with interior and exterior photographs. All components operating within normal parameters with no deficiencies noted at time of service.

Responded to callback for second floor air conditioning system that was inoperative. Upon inspection, found UltraZone control system displaying "VAS Sensor BAD!" error on LCD screen. Diagnosed failed velocity air sensor preventing proper zone operation. Replaced defective sensor and verified dual Amana outdoor units were functioning correctly with proper communication to zone control board. System restored to full operation with all zones cooling properly.

Completed preventative maintenance clean and check on two air conditioning systems per comfort plan agreement. Inspected and replaced air filters, performed electrical testing and diagnostics on both units, verified proper voltage and amperage readings at control boards, and confirmed all HVAC wiring connections were secure. Both systems operating within manufacturer specifications upon completion of service.

Completed warranty replacement of defective gas valve on residential heating unit. Removed failed gas valve assembly, installed new OEM replacement component, and verified all electrical connections and gas line fittings were properly secured. System tested and confirmed operational with proper ignition sequence and flame characteristics.

Responded to complaint of AC unit short cycling and inadequate cooling. Upon arrival, inspected York residential split system with rooftop condenser unit. Diagnosed faulty contactor causing intermittent operation and preventing compressor from maintaining steady run cycle. Replaced defective contactor, verified proper voltage and amperage draw, and tested system through complete cooling cycle. Unit now operating within manufacturer specifications with normal run times and proper temperature differential across evaporator coil.