Heating & Cooling Services in Chicago, IL

Continued installation of Unico high-velocity HVAC system, including routing and securing flexible ductwork through crawl space with proper insulation wrapping. Installed and positioned ceiling-mounted supply outlets with chrome trim rings in bathroom area, completing system distribution for conditioned air delivery.

Responded to service call for non-operational air conditioning unit following roof work where system had been disconnected and reconnected. Upon arrival, performed diagnostic inspection of outdoor condenser unit and electrical connections. Inspected condenser coil fins for damage and verified proper physical condition of heat exchanger components. Examined electrical panel, wiring connections, and component mounting to ensure proper reassembly after roof contractor disconnect. Verified all wire terminations, checked capacitor and electrical components for secure connections, and confirmed refrigerant lines were properly reconnected. System restored to operational status after inspection and reconnection verification.

Responded to no cooling complaint on 6-9 year old residential air conditioning system that ceased maintaining temperature below 78 degrees after initial operation in newly purchased home. Performed diagnostic evaluation of outdoor condensing unit, utilizing digital clamp meter to measure electrical current draw and verify compressor operation. Inspected blower wheel assembly and internal components for proper airflow and mechanical function. Documented equipment condition showing accumulated dirt and environmental exposure on exterior surfaces requiring attention. Provided assessment and recommendations for restoring proper cooling capacity to system.

Completed spring clean and check service on air conditioning system per comfort plan maintenance agreement. Performed comprehensive inspection of all system components, cleaned heavily soiled supply and return air grilles with significant dust and debris accumulation, and verified proper operation of outdoor condensing unit with visible dirt buildup on exterior louvers and coil surfaces.

Responded to callback for AC system not cooling below 86 degrees following previous service visit. Performed diagnostic inspection of HVAC equipment in mechanical room, examining condensate drainage system, ductwork integrity, and internal cabinet components. Inspected copper refrigerant lines showing oxidation and corrosion, verified ball valve operation, and assessed heat exchanger condition with visible staining. Conducted electrical system evaluation including wire connections and terminations. Used diagnostic measurement equipment to test system performance parameters and identify root cause of insufficient cooling capacity.

Responded to warranty call regarding loud clicking noise during startup on recently installed air conditioning system. Performed diagnostic testing on both outdoor condensing units, removed access panels to inspect internal components including contactors, capacitors, and electrical connections. Verified proper operation of all systems and addressed startup issue to ensure units are functioning within manufacturer specifications.

Completed comprehensive tune-up and maintenance on single-zone residential HVAC system including furnace and air conditioning unit. Inspected and tested electrical components including capacitor and contactor, verified all wire connections secure, checked system operation, and documented equipment condition with photos. Customer expressed interest in humidity control solutions for future consideration.

Completed comprehensive clean and check maintenance service on residential single-system HVAC equipment per Comfort Plan agreement. Performed thorough inspection and maintenance on Gibson furnace located in basement mechanical room and outdoor air conditioning condenser unit. All system components evaluated, cleaned, and verified to be operating within manufacturer specifications with no issues found requiring immediate attention.

Completed spring preventive maintenance on residential air conditioning system per comfort plan agreement. Performed thorough cleaning and inspection of outdoor condenser unit and indoor blower assembly, removing dust and debris accumulation from squirrel cage blower wheel blades and housing. Verified proper motor operation, checked electrical connections at outdoor disconnect, and confirmed system operational readiness for cooling season.

Completed preventative maintenance tune-up on single-zone residential HVAC system located in basement utility area. Performed comprehensive inspection of furnace and air conditioning components, including evaporator coil which showed normal condensation patterns indicating proper operation. Verified condensate drain line functionality with visible water flow through clear tubing and proper drainage through PVC piping system. Inspected all electrical connections, ductwork connections including flexible metallic ducting, and verified proper clearances around equipment. System operating within normal parameters with no deficiencies noted at time of service.

Responded to service call for PVC condensate drain line leak occurring during unit operation. Inspected drain piping and connections at HVAC system, identified source of water leak at pipe fitting. Repaired and secured PVC drain line connections, tested system operation to verify leak was resolved and proper drainage restored.

Completed comprehensive preventive maintenance on two air conditioning systems. Performed full system inspections including blower wheel assembly examination, verified proper operation of all mechanical components, checked condensate drain lines, inspected ductwork connections, and evaluated overall system performance. Both units were found to be operating within normal parameters with no immediate repairs required at time of service.

Responded to service call for furnace exhaust motor replacement. Upon arrival, performed diagnostic inspection of the furnace system and confirmed the exhaust motor required replacement. Accessed the blower compartment, documented existing equipment configuration with photos, and verified all electrical connections and wiring to the motor assembly. Inspected the blower housing, pressure switches, and associated ductwork for proper operation. Discussed repair options with customer and entered complete equipment information into service records for future reference.

Responded to no cooling complaint on second floor system. Upon arrival, found thermostat set to cooling mode at 67 degrees with inside temperature reading 80 degrees, indicating system was calling for cooling but not achieving setpoint. Performed diagnostic evaluation of outdoor condensing unit and indoor air handler to identify cause of cooling failure and restore proper operation to second floor HVAC system.

Completed full HVAC system replacement including reclamation of existing refrigerant from old condenser, coil, and copper line-set. Removed and properly disposed of existing air conditioning equipment. Installed new Lennox 13 SEER2 condensing unit (Model ML13KC1-036-230, 3-ton capacity) on roof in existing location. Installed new evaporator coil, which required uncasing to accommodate 6" humidifier by-pass duct clearance. Connected new coil to existing copper refrigerant lines and installed RDS mitigation board. Evacuated system to remove moisture and air, then charged with R454B refrigerant to manufacturer specifications. Performed complete system start-up, operational testing, and safety inspection to verify proper performance of all equipment.

Responded to callback following recent CNC maintenance performed on 5/13. Upon arrival, found AC system non-operational. Diagnosed and resolved issue related to prior service work, restoring full cooling functionality to the system.

Completed comprehensive fall and spring tune-up service on a dual-system HVAC installation, performing clean and check procedures on both the furnace and air conditioning units. Inspected all electrical components including capacitor, wiring connections, and circuit protection devices; verified proper operation of blower motor assembly and control modules. Customer declined enrollment in preventative maintenance comfort plan at time of service.

Performed comprehensive refrigerant system service on four commercial air conditioning units (#2, 3, 4, and 5). Reconnected refrigerant lines, flushed the systems to remove contaminants, evacuated moisture and air through vacuum procedures, and properly released refrigerant to restore optimal cooling performance. Diagnostic measurements confirmed all units returned to proper operating parameters upon completion.

Responded to no cooling complaint on 3-year-old residential air conditioning system with intermittent cooling issues. Performed UV leak detection procedure on refrigeration system, identifying fluorescent dye tracer at filter drier connections indicating potential refrigerant leak. Continued diagnostic labor from previous service visit as part of ongoing troubleshooting for intermittent system performance.

Completed warranty inspection on newly installed Lennox air conditioning system. Verified proper electrical connections at terminal blocks with multimeter testing, confirmed outdoor condenser unit placement on concrete pad with appropriate clearances, and documented installation meets manufacturer specifications. All components functioning correctly with no deficiencies noted.