Heating & Cooling Services in Chicago, IL

Completed full HVAC system upgrade including removal of existing equipment and installation of new Lennox 3-ton 18 SEER2 variable speed air conditioning system (Model EL18KCV-036-230) with matching evaporator coil. Reclaimed refrigerant from old condenser, coil, and line-set, then disconnected and disposed of obsolete equipment. Installed new condensing unit on pad in existing location, relocated and adjusted existing furnace to accommodate new evaporator coil, and connected system to existing copper refrigerant lines. Evacuated system to remove moisture and air, charged with R454B refrigerant, and installed Refrigerant Detection System (RDS) on furnace per code requirements. Performed complete system start-up, testing, adjustments, and safety inspection to verify proper operation.

Responded to service call for humidifier leak. Upon inspection, identified water leakage at humidifier supply line connection. Replaced defective braided supply hose and PVC feed line assembly with new components, secured all connections with proper metal clamp fittings, and verified system for proper water flow and leak-free operation.

Responded to service call for Honeywell thermostat reported as non-operational despite tenant replacing batteries. Upon arrival, removed thermostat from wall mount and inspected internal components including battery compartment and circuit board. Verified fresh Energizer batteries were properly installed and examined connections to ensure proper contact. Diagnosed thermostat malfunction, tested system communication with American Standard furnace and humidifier equipment located in basement utility area, and restored heating system operation.

Responded to warranty call for AC leaking issue. Found water accumulation in safety pan beneath evaporator coil due to improper drain line pitch. Uninstalled and repositioned equipment to achieve proper drainage slope. Verified correct pitch by performing multiple water tests through coil and drain system before reinstalling furnace onto coil. System tested and operating properly with no further leakage detected.

Completed full HVAC system replacement on second floor, including reclamation of existing refrigerant from old condenser, coil, and copper line-set, followed by disconnection and proper disposal of all obsolete equipment. Installed new Lennox 2-ton 18 SEER2 air conditioning condensing unit (Model EL18KCV-024-230) on leveled pad with pea gravel, along with matching evaporator coil connected to existing copper refrigerant lines. Evacuated system to remove moisture and air, charged with R454B refrigerant to manufacturer specifications, and installed Refrigerant Detection System (RDS) on furnace per code requirements. Performed complete system start-up, operational testing, and safety inspection to verify proper performance of all components.

Delivered and set up scaffolding to access HVAC equipment for diagnostic service. Performed comprehensive diagnostic evaluation on residential air conditioning system reporting no cooling. Inspected air handler unit in mechanical room and associated ductwork, refrigerant lines, condensate drainage system, and electrical connections. Documented equipment information and captured photos of HVAC installation including air handler, copper refrigerant lines, PVC drainage piping, ductwork connections, and electrical components for service records.

Completed Gold Clean and Check maintenance service on single heat pump system per comfort plan agreement. Performed comprehensive inspection of vertically-mounted air handler and heating unit located in utility closet, including visual assessment of all accessible components, electrical connections, and refrigerant lines. Documented equipment condition with temperature readings showing 57.7°F at floor level, and photographed system configuration including copper piping showing normal age-related patina. All components operating within normal parameters; system ready for continued service.

Installed Asurity wet switch flood detector in basement utility area to provide water detection and system protection. Connected device to 24 VAC power supply and wired into existing HVAC control board using proper terminal connections. Mounted detector near floor level adjacent to copper plumbing lines to monitor for potential water leaks or flooding conditions. Verified proper operation of wet switch by testing alarm and reset functions. All electrical connections secured and system confirmed operational upon completion.

Responded to customer request for system inspection following basement flooding incident. Performed comprehensive evaluation of Ducane furnace unit and associated components to assess potential water damage. Inspected furnace cabinet, electrical connections, gas lines, and condensate drainage system. Verified drip pan integrity and checked for moisture intrusion in mechanical components. Examined PVC vent piping and copper refrigerant lines for damage. Conducted attic inspection and recorded temperature readings of 85.4°F to verify proper system operation and air flow. All equipment found to be functioning within normal parameters with no water damage detected to critical components.

Completed Gold Clean and Check for cooling system per recurring maintenance agreement. Performed comprehensive inspection and maintenance on single-zone residential HVAC system, including indoor air handler unit located in basement mechanical room and outdoor condensing unit positioned on concrete pad against exterior wall. Verified proper operation of all components, checked refrigerant levels, cleaned condenser coils, inspected electrical connections and disconnect box, and confirmed system is operating within manufacturer specifications for optimal cooling performance.

Performed warranty repair on HVAC system by cutting out damaged 1/2" refrigerant line at evaporator coil and brazing in new pipe section. Recharged system using calibrated refrigerant scale, verified proper operation of all components including compressor and fan assembly, and confirmed system cooling performance met manufacturer specifications.

Completed scheduled Silver Comfort Plan clean and check service for residential cooling system. Performed comprehensive maintenance including refrigerant charge verification using electronic charging scale (reading 702), system performance testing, and multi-point inspection of furnace, plenum, condensate drain lines, and all associated HVAC components. All equipment found operating within manufacturer specifications with no deficiencies noted.

Completed warranty replacement of condenser fan motor on second floor Ruud AC unit. Documented coil conditions and unit identification with photographs per service protocol, including model/serial number verification and temperature readings showing 54.5°F at the evaporator coil, confirming proper system operation post-repair.

Responded to callback for recurring condensate leak from HVAC unit. Upon arrival, coordinated with drywall contractor on-site to assess water damage to ceiling materials. Inspection revealed active moisture intrusion affecting ceiling panels and wooden structural beams, with visible staining and deterioration around light fixture area. Documented extensive damage to textured ceiling materials where condensate had penetrated, exposing underlying framing and insulation. Performed thorough examination of drain line routing and condensate management system to identify source of repeat failure. Completed photographic documentation of affected areas for warranty and follow-up purposes.

Responded to callback for thermostat displaying incorrect temperature reading, with unit set to 72°F but room temperature showing 64°F. Upon inspection, found Nest smart thermostat displaying error message with warning indicator on display screen. Evaluated HVAC system including furnace, ductwork, and associated mechanical components in basement utility area to diagnose temperature discrepancy and thermostat communication issues.

Returned to site to complete mini split installation in narrow side yard between residential structures. Outdoor condenser unit successfully mounted on vinyl siding with refrigerant lines properly insulated and secured along exterior wall using mounting brackets. All line connections completed at outdoor unit with service valves accessible for future maintenance.

Responded to no cooling complaint with system unable to maintain setpoint of 75°F, actual temperature reading 78-79°F. Outdoor unit confirmed operational with condenser fan running. Upon inspection, discovered indoor air handler blower motor failure resulting in no airflow from supply registers. Measured amperage at 35.6A on system components during diagnostic testing. Verified thermostat properly calling for cooling and confirmed outdoor condensing unit responding appropriately. Identified failed blower motor as root cause preventing conditioned air distribution throughout living space while compressor and outdoor unit continued normal operation.

Installed a complete Quilt 36K 3-zone ductless heat pump system with 25.3 SEER2 rating, including one Q01-M327-NC-NA outdoor condensing unit wall-mounted on exterior brick and three indoor wall-mounted heads distributed across the residence. Two zones were installed on the main floor serving the dining room and kitchen areas, with the third zone positioned on the second floor in the center room. Provided and installed three copper linesets connecting the indoor heads to the outdoor unit, performed pressure testing and evacuation of refrigerant lines to ensure system integrity, and installed three Quilt Dial controls for independent zone management. Mounted AC surge protector on outdoor unit for electrical protection. Completed system startup, tested all zones for proper operation, and made final adjustments to optimize performance. Customer arranged for licensed electrician to provide 220V electrical circuit to outdoor unit.

Responded to cooling complaint on second floor system unable to maintain setpoint of 70°F, with actual temperature remaining at 73°F. Inspected HVAC unit and thermostat operation, verified system performance under warranty from recent installation. Documented equipment conditions and thermostat readings showing 72°F display at time of service.

Responded to no cooling complaint following previous day's maintenance visit. Upon arrival, inspected outdoor condensing unit and electrical components. Found failed contactor relay preventing compressor operation. Replaced defective contactor, restored power to unit, and verified proper system operation. System cooling normally at departure. Documented equipment information and captured installation photos for service records.