Heating & Cooling Services in Chicago, IL

Responded to no cooling complaint on condenser unit model 4A7A3024H1000NA. Upon arrival, confirmed outdoor unit was not operating while indoor blower functioned normally. Inspected condenser and found capacitor failure preventing compressor and condenser fan motor from starting. Tested electrical connections and verified compressor was not locked. Documented system conditions with photos of furnace interior components and outdoor condenser unit showing failed capacitor and wiring connections. Provided diagnostic findings and repair options to restore cooling operation.

Responded to no cooling call on residential air conditioning system. Upon arrival, performed diagnostic evaluation using clamp meter and digital measuring instruments to assess electrical components and system operation. Verified thermostat settings, checked air filter condition, and confirmed breaker status. Measured system temperatures and tested electrical values at the unit to determine root cause of cooling failure.

Performed comprehensive tune-up and inspection of rooftop air conditioning unit and indoor air handler system in preparation for property sale. Verified proper connection between AC condensing unit and air return system, confirming all refrigerant lines, electrical connections, and ductwork were properly installed and secured. Inspected evaporator coil, blower assembly, electrical contactors, and condensate drain lines; confirmed all components functioning correctly with no installation deficiencies noted.

# Complete HVAC System Replacement Completed full residential HVAC system replacement including furnace, air conditioning condenser, evaporator coil, thermostat, and surge protector installation. ## Heating System Installation Disconnected and removed existing forced air furnace from service. Installed new Lennox SL280UH070V36AK 80% AFUE two-stage variable speed gas furnace (Cat #26C63). Connected unit to existing supply and return air ductwork with necessary sheet metal transitions fabricated on-site. Attached furnace to existing natural gas line and electrical circuit. Connected to existing exhaust venting system. Performed complete startup procedures, operational testing, and safety inspection to verify proper combustion, airflow, and system performance. Unit covered by 12-year parts warranty and 12-year extended labor agreement. ## Air Conditioning System Installation Reclaimed refrigerant from existing air conditioning condenser, evaporator coil, and copper line-set per EPA r

Completed preventive maintenance clean and check on first floor air conditioning system as requested. Inspected electrical components including capacitor, verified proper wire connections with secure wire nuts, and documented equipment condition. Noted vegetation growth near outdoor unit that should be monitored to prevent airflow obstruction and potential damage to electrical compartment.

Completed comprehensive clean and check maintenance on two HVAC systems per comfort plan agreement. Performed thorough cleaning of evaporator coils on both units, removing significant accumulation of dust and debris from heat exchanger fins using specialized fin cleaning tools to restore proper airflow and system efficiency. Inspected all refrigerant lines, compression fittings, and copper piping for proper connections and integrity. Both systems serviced and returned to optimal operating condition.

Completed comprehensive clean and check maintenance on two-system HVAC installation per comfort plan agreement. Performed temperature diagnostics on air handler unit, recording supply air temperature of 54.3°F to verify proper cooling performance and system operation. Inspected indoor equipment including furnace/air handler installation, condensate drain lines, electrical connections, and overall system condition with both units operating within normal parameters.

Replaced failed 6 microfarad capacitor in Bosch air conditioning unit. Tested new capacitor with digital meter to verify proper electrical specifications and confirmed system operation. Documented installation with photos showing capacitor testing and final placement on control board.

Completed comprehensive air conditioning clean and check maintenance per Goodman Comfort Plan agreement. Performed full system inspection of outdoor condensing unit, replaced indoor air filter with new ACE brand filter, checked refrigerant pressures and electrical connections, and verified proper operation of all components.

# HVAC Tune-Up Completed Performed comprehensive preventive maintenance tune-up on residential gas furnace system. Conducted thorough inspection of all internal components including electrical controls, relays, contactors, control board, gas valve assembly, and burner system. Verified proper operation of all electrical connections and safety controls. Inspected gas manifold, piping, and valve for proper function and secure connections. Documented system condition with interior cabinet photographs showing older unit in operational status with typical age-related wear. System tested and confirmed operational upon completion of maintenance service.

Performed comprehensive preventive maintenance on five wall-mounted ductless mini-split air conditioning units located in the sanctuary according to commercial customer program specifications. Removed and inspected air filters from all units, which exhibited heavy accumulation of dust, debris, and particulate matter requiring thorough cleaning. Cleaned filter assemblies, inspected internal components with front covers open, verified proper operation of LED indicators, and reassured all units were functioning within normal parameters before reinstallation of filters and closure of access panels.

Completed commercial HVAC maintenance agreement service on multi-zone system serving gym facility. Performed preventative maintenance on two split AC units (office and loft areas) and four mini-split systems, requiring two-technician coordination and extended ladder access for elevated loft unit. Replaced furnace filters with 16x25x1 and 14x25x1 specifications on two furnace units. Inspected and tested electrical components including capacitor on loft unit, verified proper voltage and amperage readings using clamp meter showing 1453 reading, confirmed all wire connections secure and operational. All equipment tested and operating within normal parameters upon completion.

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.