Heating & Cooling Services in Chicago, IL

Responded to warranty callback for water heater pilot light issue. Upon arrival, successfully relit pilot on gas water heater and verified proper ignition and flame characteristics. Inspected associated plumbing connections and gas supply lines for proper operation. Unit restored to full functionality with hot water delivery confirmed at fixtures.

Completed evaporator coil replacement on commercial HVAC unit. Cut new access opening in existing ductwork and fabricated custom metal transition plenum to properly connect replacement coil to air distribution system. Removed deteriorated coil showing significant water damage, biological growth, and surface corrosion throughout interior compartment. Installed new coil assembly and secured with appropriate brackets and fasteners. Constructed transition box from sheet metal ductwork to accommodate dimensional differences between new equipment and existing infrastructure. Sealed all joints and connections to ensure proper airflow and system efficiency. Unit tested and operational upon completion.

Completed full air conditioning system replacement including reclamation of existing refrigerant from old condenser, coil, and line-set, followed by removal and disposal of aged equipment. Installed new Lennox 3-ton 18 SEER2 variable speed condensing unit (Model EL18KCV-036-230) on roof along with new evaporator coil, connected to existing copper refrigerant lines. System was evacuated to remove moisture and air, then charged with R454B refrigerant per manufacturer specifications. Installed Refrigerant Detection System (RDS) for enhanced safety monitoring. Additionally, drained water heater below T&P valve to perform copper pipe repair on hot water side, then refilled and tested system. All equipment was started up, tested, adjusted for optimal performance, and passed complete safety inspection with 10-year parts warranty and 10-year extended labor agreement on HVAC system.

Completed installation site visit and documented electrical and plumbing configurations for new HVAC system. Inspected and photographed outdoor unit electrical disconnect panel showing properly terminated control wiring with appropriate wire nuts and contactor connections. Verified copper refrigerant line routing from exterior unit through interior space, noting mix of new bright copper piping integrated with existing aged lines at connection points.

Responded to no cooling complaint at Unit 301 in multi-unit building. Upon arrival, discovered evidence of condensate drainage issue with water accumulation at exterior discharge point. Inspected building's common condensate drain system and located maintenance tag indicating last flush performed in August 2024. Confirmed condensate line blockage affecting building's shared drainage infrastructure. Coordinated with office to obtain building management approval for service work. Documented existing conditions with photographs showing saturated discharge area and condensate system components. Advised that issue originates from common building plumbing rather than individual unit equipment malfunction.

Completed comprehensive Gold Clean and Check maintenance service on HVAC system per comfort plan agreement. Performed thorough inspection of electrical control panel, verifying proper operation of circuit boards, power supply modules, and all electrical connections. Inspected air filter, documenting condition with visible dust accumulation, and checked all system components for optimal performance and safety compliance.

Responded to warranty call for leaking downflow coil and coordinated with Amana Regional Technical Manager on-site to diagnose the issue. Measured and documented external static pressure on both return and supply sides, verified distance between bottom of coil and bottom of supply plenum, and assessed whether downflow adapter kit installation was necessary. Inspected control board wiring connections and evaporator coil assembly to identify source of leak and determine appropriate corrective action under warranty coverage.

# HVAC Maintenance Summary Completed comprehensive clean and check service on two air conditioning systems per Silver Comfort Plan agreement. Inspection revealed heavily contaminated air filter with significant accumulation of dust, debris, and particulate matter requiring immediate replacement. Performed standard cooling season maintenance procedures including system performance verification, refrigerant level assessment, electrical connection inspection, and condensate drain line evaluation. Documented existing environmental conditions including deteriorated wall surfaces and moisture indicators in mechanical space for customer awareness. Both systems operational and running within manufacturer specifications upon completion of service.

Responded to no cooling complaint in commercial building hallway. Inspected HVAC system and identified issue with Honeywell GT250A1001 control module. Evaluated thermostat operation, verified system settings, and documented control panel wiring configuration for diagnostic purposes.

Completed Gold Clean and Check for cooling system as part of recurring maintenance plan. Performed comprehensive inspection of air conditioning unit including refrigerant lines, electrical connections, condensate drainage system, and associated mechanical components. All systems inspected and verified operational, with equipment found in satisfactory working condition.

Conducted comprehensive site assessment for rooftop unit replacement on commercial flat roof installation. Documented existing RTU location, captured data plate information, recorded critical measurements, and photographed roof conditions including membrane weathering, parapet walls, and ventilation penetrations to facilitate accurate equipment specifications and replacement planning.

Conducted HVAC system evaluation for replacement estimate on aging 22-year-old air conditioning unit and 14-year-old furnace system. Assessed existing outdoor condenser unit positioned on concrete pad with elevated platform mounting, noting system age and operational status. Discussed heat pump conversion options with communicating furnace integration to optimize existing solar power installation. Performed Gold Clean & Check cooling service protocol, including comprehensive system inspection and documentation. Measured attic space clearances and evaluated existing ductwork configuration to determine compatibility requirements for proposed heat pump and communicating furnace installation. Documented equipment specifications, mounting locations, and structural considerations through photographic records of outdoor condenser unit and attic access points for future replacement planning.

Responded to no-cooling complaint on residential air conditioning system. Performed diagnostic evaluation of outdoor condensing unit and indoor air handler components. Inspected ductwork assembly, refrigerant lines, electrical connections, and system operations. Collected equipment information and discussed preventative maintenance options with customer.

Responded to no cooling complaint on aging residential air conditioning system. Upon arrival, located outdoor condenser unit positioned against exterior brick wall on concrete pad. Performed visual inspection of Rheem HVAC system including indoor furnace unit and outdoor condensing unit. Verified thermostat settings and confirmed unit was set to cooling mode. Checked electrical disconnect and circuit breakers for proper operation. Inspected refrigerant line set entering building and examined electrical conduit connections. Evaluated condensate pump operation at indoor unit. Assessed overall system condition noting advanced age of equipment. Documented equipment information and captured photographic evidence of both indoor and outdoor components for service records.

Responded to service call for air conditioning system not cooling properly. Performed diagnostic evaluation of multiple rooftop condenser units to identify source of cooling failure. Inspected refrigerant lines, electrical connections, and compressor operation across the installation. Documented equipment information and current system configuration with photo records for service history.

Responded to no-cooling complaint on residential air conditioning system. Performed diagnostic evaluation of outdoor unit, measuring electrical amperage at compressor circuit which registered 0.0A indicating failure to start. Inspected air filters in mechanical room and documented equipment information for new customer account setup.

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.