Heating & Cooling Services in Chicago, IL

Completed spring clean and check on Trane air conditioning system as part of comfort plan maintenance. Performed thorough inspection of furnace and AC unit, including blower assembly, heat exchanger, electrical connections, and ductwork. All components found to be operating within normal parameters; system tested and confirmed ready for cooling season.

Performed commercial preventive maintenance on rooftop unit per maintenance agreement. Conducted electrical diagnostics using multimeter, testing voltage and continuity across multiple circuits within the control panel. Inspected and replaced air filter showing moderate dust accumulation.

Conducted on-site assessment for a two-flat residential building to provide HVAC estimate for replacing existing window air conditioning units with permanent central air conditioning systems. Evaluated the first floor/basement level and second floor units to determine optimal equipment placement, ductwork routing, and system sizing requirements for two separate HVAC systems as requested by the property owner. Documented existing conditions of finished basement living space including kitchen area, bedrooms, and hallway to plan installation logistics and ensure minimal disruption to completed interior finishes.

Conducted comprehensive estimate for complete HVAC system replacement including both air conditioning unit and furnace, both original equipment dating from 2007. Air conditioning unit had failed previous year and was no longer operational. Assessed rooftop-mounted AC unit accessed via interior hatch and ladder. Evaluated existing furnace installation in interior utility space, noting current ductwork configuration and gas line connections. Documented equipment specifications, existing installation conditions, and access requirements. Photographed current equipment including furnace with visible manufacturer labeling and associated ductwork and plumbing components. Provided replacement recommendations for matched heating and cooling system appropriate for residential application.

Completed HVAC system replacement in residential basement utility room following previous consultation and recommendation. Removed existing equipment and installed new Haller brand furnace unit with associated ductwork connections, including black flexible duct transitions and metallic plenum assembly. Installation includes proper PVC condensate drainage lines with appropriate fittings and elbows, system control wiring, and all necessary electrical connections. System commissioned and verified operational per manufacturer specifications.

Completed spring preventative maintenance and clean and check on air conditioning system per service contract plan. Performed comprehensive inspection of outdoor condensing unit, including electrical components, capacitor testing with digital multimeter, and assessment of overall system condition. Noted rust accumulation on base plate and debris buildup in unit compartment; cleaned accessible areas and documented equipment condition with diagnostic readings for service records.

Responded to service call for reduced cooling capacity and intermittent hissing noise from rooftop HVAC unit. Performed diagnostic evaluation of commercial air conditioning system, taking temperature and pressure measurements at the air handler. Inspected rooftop condenser units and documented equipment conditions with photos for service records.

Responded to service call for HVAC system malfunction. Replaced wireless communication module but discovered system conflict causing heat to activate during cooling calls. Attempted multiple wiring configurations without resolution. Removed wireless module and temporarily wired system for conventional operation, restoring heating and air conditioning functionality. Heat pump heating mode remains non-operational and requires follow-up diagnostic with technical support to resolve communication protocol issues between outdoor unit and indoor air handler.

Responded to emergency service call for flooded basement with approximately 5 inches of water accumulation affecting HVAC equipment. Conducted thorough inspection of furnace system to verify operational status following water exposure. Examined evaporator coil, heat exchanger components, and furnace cabinet for water damage and potential compromise to internal systems. Documented equipment condition with photographic evidence showing coil assembly and metal housing components. Assessed furnace lining for water intrusion damage and identified areas requiring repair or replacement to restore system integrity and safe operation.

Completed spring preventive maintenance on commercial HVAC system including two rooftop units and indoor air handler. Responded to service calls for loud noise from West RTU and cooling issues on East RTU. Performed diagnostic testing on electrical components including capacitor testing with multimeter, recording readings of 4053 on West unit capacitor. Conducted clean and check procedures on both York rooftop units, replaced all air filters per maintenance agreement specifications (14x25x1 and 14x20x1 sizes as required for each unit), and performed filter change only on York furnace in mechanical room. Inspected electrical connections, contactors, relays, and condensate drainage systems on both RTUs. Documented equipment conditions and component markings for service records.

Responded to water leak issue on second floor HVAC unit where three drain connections were actively leaking and had triggered the water detection device. Upon inspection, identified compromised PVC drainage connections requiring replacement with properly sized 3/4-inch PVC piping to restore proper condensate drainage to the system. Documented equipment information and captured photographic evidence of the furnace installation and drainage configuration within the utility closet for service records.

Completed preventative maintenance clean and check on rooftop air conditioning system per Comfort Plan agreement. Performed comprehensive inspection of outdoor condensing unit including coil cleaning, electrical connections check, and refrigerant level verification. Confirmed thermostat operation and system cooling to setpoint of 69°F with proper cycle timing.

Responded to service call for non-operational air conditioning system and venting issue flagged by inspector for potential carbon monoxide concerns prior to property sale. Performed comprehensive diagnostic assessment of HVAC system including furnace venting configuration, ductwork integrity, and air conditioning components. Inspected furnace installation, exhaust venting pathways, and duct connections throughout basement utility area; documented system configuration and equipment specifications. Evaluated flexible ductwork routing and metallic vent piping for proper installation, clearances, and code compliance. Identified deficiencies requiring correction and provided findings with replacement recommendations to facilitate safe system operation and successful property transfer.

Performed comprehensive system evaluation of existing residential HVAC equipment including furnace and air conditioning unit installed in interior utility closet. Assessed current equipment condition, operational efficiency, and remaining service life to determine viability of repair versus replacement. Provided detailed estimate for complete system replacement including both heating and cooling components, with specifications for new high-efficiency furnace and air conditioning condenser unit installation.

Completed annual preventative maintenance clean and check on air conditioning system per comfort plan agreement. Performed comprehensive inspection of control board, electrical connections, and all system components, verifying proper operation and wire terminations. Measured supply air temperature at 41°F, confirming adequate cooling performance and refrigerant charge within manufacturer specifications.

Diagnosed outdoor AC unit not receiving signal from thermostat. Investigation revealed damaged low-voltage wiring in wall cavity between indoor and outdoor units. Created access points in interior wall and ceiling to locate and repair broken thermostat wire, restored proper communication between system components, and verified unit operation upon completion.

Responded to emergency service call for gas furnace that had been shut down by utility company due to detected gas leak. Upon arrival, performed comprehensive leak detection inspection of 2-3 year old gas furnace system, including all gas line connections, threaded fittings, and shut-off valves. Located leak at gas supply connection point near furnace unit. Tightened compromised threaded fitting and replaced faulty gasket at connection. Performed pressure test on gas line to verify integrity of repair. Conducted combustion analysis and verified proper gas valve operation. Inspected condensate drain system and PVC drainage lines for proper function. Restored gas supply, performed ignition sequence test, and monitored furnace through complete heating cycle. Confirmed no gas leaks present using electronic leak detector at all connections and fittings. Verified proper airflow through ductwork and checked all safety controls for proper operation. System returned to safe, normal operation wi

Completed air conditioning clean and check maintenance service per scheduled comfort plan agreement. Performed comprehensive system inspection, verified thermostat operation and programming settings, and documented current weather conditions showing ambient temperature of 45°F. All system components found operating within normal parameters with no immediate service needs identified.

Completed comprehensive clean and check maintenance service on rooftop air conditioning system and air handler unit as part of annual Comfort Plan agreement. Performed thorough inspection of condenser unit including electrical components, capacitor, contactor, and all associated wiring connections, verified proper operation of all mechanical and electrical systems, and documented equipment condition with photographic records.

Conducted on-site evaluation of existing HVAC system to assess air conditioning performance and determine replacement needs. Inspected indoor air handler unit with associated ductwork and mechanical room components, as well as rooftop condenser units. Provided comprehensive estimate for air conditioning replacement with option to include furnace replacement as a complete system upgrade.