Heating & Cooling Services in Chicago, IL

Responded to no cooling call for new customer. Performed diagnostic testing on outdoor condensing unit and identified failed dual-run capacitor (TRCFD5075, 50+7.5 MFD). Verified capacitor failure using digital multimeter, which showed significantly degraded capacitance reading of 7.48 microfarads. Replaced defective TITAN PRO motor run capacitor with new unit rated at 440/370VAC. Tested system operation, confirmed proper compressor and condenser fan motor function. Recorded all equipment information and discussed preventative maintenance options with customer. System restored to normal cooling operation.

Completed comprehensive Comfort Plan maintenance service on two air conditioning systems. Performed full clean and check procedures on both indoor and outdoor units, including inspection of evaporator coils, condensate drain lines, and PVC drainage system components. Examined and serviced outdoor condenser units, verifying proper operation of fan assemblies, condenser coils, and refrigerant line connections. Inspected electrical connections, control panels, and system wiring for both units. All components found operating within normal parameters, with no deficiencies noted requiring immediate attention. Systems tested and confirmed functioning properly upon completion of scheduled maintenance.

Responded to no cooling call for first floor system under warranty. Upon arrival, accessed rooftop Lennox unit and performed diagnostic evaluation. Verified unit levelness and conducted thorough inspection of equipment. System assessed and found to be operating within normal parameters following inspection. No defects identified during warranty service call.

Responded to service call for reported water leak in HVAC duct system causing ceiling mold growth. Performed diagnostic inspection of residential utility closet housing furnace, water heater, and associated ductwork. Identified water damage and staining on ceiling near HVAC equipment, with visible discoloration indicating active moisture intrusion. Inspected galvanized steel plenum, ductwork transitions, and condensate drainage system for leak sources. Documented equipment conditions and leak evidence with photographs. Provided customer with flat-rate repair options to address leak source and prevent further water damage, allowing mold remediation to proceed safely.

Responded to no cooling call where unit was running but delivering warm air. Upon inspection, discovered supply air temperature at 170°F, indicating heating mode operation instead of cooling. Verified thermostat settings, corrected reversing valve or control issue causing system to operate in heat mode during cooling demand, and restored proper cooling operation to outdoor condensing unit.

Responded to no cooling call on residential air conditioning system. Upon arrival, performed system diagnostics and inspected outdoor unit components. Found capacitor showing signs of wear and dust accumulation, with visible electrical connections requiring attention. Inspected refrigerant lines and electrical wiring connections at outdoor unit, noting moisture presence on suction line indicating system had been attempting to operate. Evaluated capacitor specifications and electrical connections to compressor circuit. Documented component conditions through photography for service records. System required capacitor replacement and electrical connection service to restore cooling operation.

Replaced failed 1/2 HP 1075 RPM 230V totally enclosed condenser fan motor on rooftop air conditioning unit. Installation included new motor, fan blade, and dual capacitor with one-year warranty on parts and labor. System will require refrigerant pressure testing following motor replacement to determine if additional refrigerant charge or further repairs are necessary due to the unit's age, condition, and obsolete refrigerant type.

Replaced failed thermal expansion valve (TXV) located in attic on residential split system air conditioning unit. Part was ordered and picked up from supply house prior to installation. System tested and verified proper cooling operation with thermostat cycling correctly between cooling modes.

Removed existing humidifier from HVAC system, patched the opening in ductwork, and capped and insulated the water supply line to prevent future issues. Rebuilt and properly secured the PVC condensate drain line where it connects to the main plumbing stack to ensure proper drainage and prevent leaks. Installed WiFi-enabled wet switch for remote monitoring and leak detection, and provided instruction on mobile app operation for system alerts and notifications.

Responded to no cooling call at residential property. Upon arrival, performed diagnostic inspection of air conditioning system. Inspected condensing unit components including capacitor and electrical connections. Found capacitor with proper MARS2 replacement specifications installed and wiring connections secure. Verified refrigerant line sets and service tags properly labeled. Documented equipment condition with photos showing capacitor assembly, electrical terminations, and refrigerant piping infrastructure. System operational at time of inspection.

Performed comprehensive clean and check maintenance on two heat pump systems per comfort plan agreement. Conducted thorough inspection of both units including temperature differential testing, amperage readings, and operational verification. Supply air temperature measured at 59.7°F with system operating properly. Electrical measurements showed 420.0 volts and 38.18 amp draw, indicating normal operating parameters. Inspected all electrical connections, thermocouple wiring, and blower assembly components. Evaluated existing steam humidifier condition and provided customer with detailed repair versus replacement options based on current system performance and anticipated longevity. All safety controls tested and verified operational. Both heat pump systems left in proper working condition with no immediate concerns noted.

Responded to no cooling complaint. Upon arrival, found thermostat displaying 74°F actual temperature while set to 93°F in cooling mode with system calling for cooling and fan operation. Inspected electrical panel and verified power supply to HVAC equipment. Documented thermostat settings and electrical distribution panel condition for service records.

Completed spring preventative maintenance on residential air conditioning system per comfort plan agreement. Outdoor condenser unit exhibited heavy accumulation of dirt, dust, and debris on coil fins prior to service. Performed thorough cleaning of condenser coils, inspected refrigerant lines with existing orange cable tie securing, and verified proper unit operation. System tested and confirmed operational following maintenance procedures.

Responded to service call for ductless mini-split system experiencing cooling failure while heating mode remained operational. Performed diagnostic assessment of wall-mounted indoor unit in residential space currently undergoing renovation. Evaluated system performance, refrigerant levels, and control functions to identify cause of cooling malfunction. Presented equipment replacement options and provided comprehensive estimate for new mini-split installation to address failed cooling capacity. Documented existing equipment information and photographed current installation conditions including recently installed indoor unit with protective covering still in place.

Completed Comfort Plan Clean and Check maintenance service on a two-system HVAC setup consisting of a furnace and air conditioning unit. Performed comprehensive inspection of all equipment, verified proper electrical operation with amperage readings at 25.4A, and documented system conditions with photos. All components found operating within normal parameters.

Completed warranty quality audit on newly installed furnace, AC, and Solaris system. Investigated master bedroom temperature differential of 7 degrees compared to rest of condo. Diagnosed airflow restriction issue caused by improperly balanced or obstructed ductwork serving master bedroom zone. Accessed attic space and inspected duct runs, identifying damper positioning concerns. Adjusted zone dampers and verified proper airflow distribution. Reviewed furnace control board operation and confirmed system cycling normally with proper fault code display. Documented findings with customer and discussed ductwork modifications needed for optimal temperature balance throughout living space.

Completed comprehensive tune-up and preventive maintenance on two air conditioning systems for new customer. Performed standard inspection protocols including filter evaluation, refrigerant level verification, electrical connection testing, condensate drain assessment, and overall system performance analysis. Documentation captured via photographs for service records, with all systems found operating within normal parameters upon completion of maintenance procedures.

Responded to callback for recurring cooling issue following previous service visit. Upon arrival, verified thermostat displaying 73°F with customer reporting inadequate cooling and indoor temperature of 76°F. Inspected HVAC control board and wiring connections within air handler, checking all low-voltage control wiring, power connections, and relay operations for proper function. Documented system conditions with photos of thermostat operation and control board assembly to verify system status and troubleshoot recurring temperature control concerns.

Responded to warranty callback for second floor cooling issue. Performed diagnostic temperature measurements at air handler unit, recording supply air temperature of 46.3°F and return air temperature of 73.9°F, confirming system is producing adequate temperature differential and operating within normal parameters.

Performed diagnostic evaluation on aging residential air conditioning system approximately 40 years old. Conducted visual inspection of outdoor condenser unit mounted on exterior building wall and assessed interior components. Due to advanced age of equipment, provided comprehensive repair estimate to homeowner for necessary service work.