Heating & Cooling Services in Chicago, IL

Completed no-charge warranty service for HVAC system addressing two post-installation issues. Installed missing outdoor temperature sensor for humidifier system that was inadvertently removed during initial installation. Diagnosed and verified proper operation of zone damper that customer reported as potentially malfunctioning, confirmed damper actuator wiring connections and tested system cycling to ensure correct operation of all zones.

Responded to no cooling complaint on residential air conditioning system. Performed refrigerant recharge using manifold gauge set to restore proper system pressures and cooling capacity. Service completed under warranty at no charge to customer.

# HVAC Maintenance Summary Completed spring preventive maintenance clean and check on residential air conditioning system per comfort plan agreement. Evaporator coil exhibited extensive dust and debris accumulation requiring thorough cleaning to restore proper airflow and heat transfer efficiency. Cleaned evaporator coil assembly, removing heavy buildup from aluminum fins and surrounding components. Inspected refrigerant lines, electrical connections, and capacitor. Verified system operation and documented pre-service conditions showing significant need for maintenance intervention. # Detailed Service Description Performed comprehensive spring clean and check maintenance on single-system residential air conditioning unit in accordance with comfort plan specifications. Upon initial inspection, discovered evaporator coil assembly with severe dust and debris accumulation throughout aluminum fin surfaces, indicating extended period without professional maintenance. Removed access panel

Continued and completed high velocity HVAC system installation at residential property. Installed Lennox outdoor condensing unit on concrete pad in side yard between brick exterior wall and privacy fence, connected refrigerant lines with proper insulation (black foam and blue covering), and routed lines along fence structure. System positioned for optimal airflow and serviceability in confined space, with all refrigerant piping secured and electrical connections completed per manufacturer specifications.

Responded to service call for air conditioning unit making unusual noises and not operating. Upon arrival, performed diagnostic inspection of the system. Found heavily soiled air filter with significant dust and debris accumulation, restricting airflow to the unit. Return air vent grille also showed substantial buildup of dust, lint, and particulate matter between slats. Replaced dirty air filter with new filter to restore proper airflow. Cleaned return air vent cover to remove debris accumulation. Cycled system to verify proper operation and confirm noise issue was resolved due to restricted airflow condition. Unit now operating normally with adequate airflow and no abnormal sounds. Documented equipment information and discussed preventative maintenance options with customer including regular filter replacement schedule.

Performed blower wheel cleaning service on HVAC system. Removed and thoroughly cleaned the squirrel cage blower wheel assembly, which showed significant dust and debris accumulation on the blades and between the fins. Also cleaned the evaporator coil assembly, removing dirt and grime buildup from the aluminum fins and metallic surfaces to restore proper airflow and system efficiency.

Performed scheduled commercial HVAC maintenance on York rooftop unit at 3950 Conservancy location. Completed clean and check procedures per customer care program requirements, including replacement of three standard air filters. All RTU components inspected and confirmed operational, with photographic documentation of equipment and replaced filters maintained for service records.

Completed full HVAC system replacement including disconnection and disposal of existing forced air furnace and air conditioning system. Installed new EL297UH090XV36C forced air furnace (Model 26K71) with connections to existing supply/return ductwork, gas line, electrical circuit, and exhaust system. Reclaimed refrigerant from old AC system and installed new EL18KCV-036-230 condensing unit (Model 25U59) on new pad with pea gravel, along with matching evaporator coil. Connected new AC system to existing copper refrigerant lines, evacuated system, and charged with R454B refrigerant. Installed Aprilaire Model 720A high-capacity powered humidifier designed for homes up to 4,200 square feet. Added surge protector and new thermostat to complete system integration. Performed startup procedures, system testing, adjustments, and comprehensive safety inspection on all equipment to verify proper operation. All components covered by 10-year parts warranty and 10-year extended labor agreement.

Performed spring clean and check maintenance on two air conditioning systems per comfort plan agreement. Completed comprehensive system inspections including temperature readings at supply registers, which measured 51.62°F indicating proper cooling performance. Cleaned reusable air filter by removing accumulated dust and debris, scrubbing filter media thoroughly to restore proper airflow. Delivered and noted required replacement filters including 20x25x4 media filter and 16x25x1 standard filter for customer installation. Verified both systems operating within normal parameters with adequate airflow and temperature differential across evaporator coils.

Completed spring clean and check maintenance on two air conditioning systems per comfort plan agreement. Performed comprehensive inspection of both outdoor condenser units, including cleaning of coils, verification of electrical connections and contactors, capacitor testing and replacement as needed, refrigerant level assessment, and fan motor operation verification. Both systems were found to be in proper working order with all components functioning within manufacturer specifications upon completion of preventive maintenance service.

Completed comprehensive tune-up maintenance on single-system HVAC unit including air handler and outdoor condensing unit. Performed standard diagnostic measurements, inspected electrical components including capacitor and contactor, verified system operation, and documented equipment condition with thermal readings showing -56.1°F at evaporator coil. All components found operating within normal parameters; system cleared for continued service.

Completed spring preventive maintenance on residential air conditioning system per comfort plan protocol. Serviced outdoor condenser unit, including coil cleaning and operational testing, and replaced heavily contaminated return air filter that showed excessive dust and debris accumulation affecting system airflow and efficiency. All components inspected and system operating within normal parameters upon completion.

Completed return visit to install outdoor sensor and heat pump defrost kit on existing heat pump system. Both components mounted and wired to outdoor unit per manufacturer specifications, ensuring proper defrost cycle operation and system monitoring capabilities.

Responded to service call for Rinnai tankless water heater displaying two error codes and emitting audible beeping alerts. Unit required power cycling by homeowner to operate, though hot water production remained functional. Diagnosed error codes and contacted Rinnai technical support to obtain warranty case number for processing potential warranty claim. Performed visual inspection of unit location in interior utility closet with louvered ventilation door, documented gas supply line connections and venting components. Discussed preventative maintenance program options for both water heater and HVAC system to address long-term equipment care needs.

Performed comprehensive evaporator coil and blower wheel cleaning on residential HVAC system. Removed heavily soiled squirrel cage blower assembly showing significant dirt accumulation and discoloration across fins and blades. Cleaned evaporator coil unit with multiple rows of aluminum fins that had accumulated dust and debris, affecting system efficiency. Both components were thoroughly cleaned and reinstalled to restore proper airflow and heat transfer capacity.

# HVAC Blower Wheel Cleaning and System Assessment Responded to service call for blower wheel cleaning on residential HVAC system. Upon arrival, conducted thorough inspection of indoor air handler unit and identified significant ice accumulation on evaporator coil, indicating potential airflow restriction or refrigerant issue requiring attention beyond the scheduled blower maintenance. Accessed blower assembly and performed complete cleaning of blower wheel to remove accumulated dust, debris, and contaminants affecting air circulation efficiency. Cleaned blower housing and verified proper wheel rotation and balance. Inspected drain pan for proper drainage and cleared condensate line to prevent water backup. Documented evaporator coil condition showing extensive frost buildup across finned surfaces, particularly concentrated in center and right portions of coil assembly. Noted water staining on interior cabinet surfaces suggesting previous moisture issues. Photographed outdoor conden

Completed annual Comfort Plan clean and check maintenance on single AC system. Performed comprehensive inspection of all major components including capacitor (marked 6-9-19), contactor, electrical connections, and control board, verifying proper operation and secure wire terminations. Inspected 16x25x1 air filter and evaporator coil area, collected annual plan renewal, and documented system condition with photos showing all equipment in normal operating condition.

Completed spring maintenance clean and check on residential air conditioning system per comfort plan agreement. Performed comprehensive inspection of outdoor condenser unit, verified proper electrical operation with amp draw readings of 1.007A and 37.94A at compressor, cleaned condenser coil and housing, checked refrigerant levels, and confirmed unit operational parameters within manufacturer specifications.

Performed comprehensive clean and check maintenance on single-system air conditioning unit and air scrubber per Comfort Plan agreement. Inspected outdoor condenser unit, verified proper operation of fan motor and compressor, and evaluated air scrubber component with mesh filtration surface for optimal indoor air quality performance. All equipment found operating within normal parameters with no immediate service needs identified.

Conducted warranty follow-up inspection on wall-mounted mini-split system to assess condensate drainage routing. Evaluated current drain line configuration and determined optimal path to redirect condensate discharge to front of residence, inspecting both interior unit connections and exterior roof-mounted drainage components to ensure proper gravity flow and code compliance.