Heating & Cooling Services in Chicago, IL

Completed spring clean and check maintenance service on residential Carrier air conditioning system per comfort plan agreement. Performed comprehensive inspection of outdoor condenser unit, including cleaning of coils, verification of proper refrigerant levels, electrical connections, and operational testing to ensure optimal system performance for the cooling season.

Conducted comprehensive assessment of existing residential HVAC system for equipment replacement estimate. Evaluated 20+ year old central air conditioning and heating system located in basement utility area, including furnace unit, air handler, ductwork configuration, and electrical connections. Documented current equipment condition, noting dust accumulation on metal ductwork, existing rigid and flexible duct connections, and overall system layout. Photographed furnace installation, electrical panel placement, copper refrigerant lines, distribution ductwork, and mechanical space configuration to provide accurate replacement specifications and equipment sizing recommendations for new central heating and cooling system installation.

Completed spring maintenance and clean and check service on residential air conditioning system per Comfort Plan agreement. Performed comprehensive system inspection of outdoor condenser unit, verified electrical readings showing 297.2 volts and 60.0 Hz frequency within normal operating parameters, and confirmed unit operational status at 400.0 amp reading. System operating properly with no deficiencies noted at time of service.

Completed comfort plan clean and check on 16-year-old air conditioning and furnace system. Performed comprehensive inspection of both indoor and outdoor units, including electrical components, control boards, capacitor, and wiring connections. Documented system condition with photos showing FrictionFree Comfort-R branded equipment and internal components. Previously identified heat exchanger issue on furnace requiring replacement estimate; awaiting customer decision on proceeding with repairs given age of equipment and recommendation to schedule work during off-peak cooling season.

Responded to no cooling call at a converted 2-flat with rooftop HVAC unit accessed through interior roof opening. Upon arrival, found thermostat displaying 78°F set point with 45°F actual temperature reading and open battery compartment with depleted batteries. Inspected rooftop condensing unit showing signs of age with weathered components and multiple electrical connections. Identified low battery condition preventing proper thermostat operation and communication with cooling system. Replaced batteries in thermostat to restore power and proper function. Verified thermostat display operational and system able to call for cooling. Unit restored to normal operation with proper temperature control capability.

Completed installation of 2-inch PVC flue pipe exhaust system for residential HVAC unit. Installed horizontal exhaust piping with proper pitch and alignment, verified with level to ensure correct drainage and venting. Connected white PVC piping to green furnace unit with appropriate fittings and elbows, integrating with existing condensate drainage system. All connections properly secured and tested for proper exhaust ventilation in accordance with manufacturer specifications and local building codes.

Responded to water leak in bathroom related to heating system piping. Created ceiling access point to locate and assess leak source. Upon inspection, discovered compromised galvanized pipe penetrating through wall structure with evidence of significant water damage to surrounding building materials, including deteriorated framing and visible moisture staining. Repaired leaking pipe connection and secured affected area. Documented extensive pre-existing fire and water damage to wall cavity for property management review.

Responded to water leak complaint at commercial property. Accessed condensate drain line from garage level below the affected unit. Cleared blockage from drain line, flushed system to restore proper flow, and installed union fitting at unit to facilitate future maintenance and allow for direct line flushing to main drain. Coordinated with office for property management approval prior to completing work. System tested and draining properly upon completion.

Responded to warranty callback for HVAC system experiencing over-cooling and high indoor humidity levels. Upon arrival, found system operating with thermostat set to 78°F but indoor temperatures reading significantly lower at 60-66°F in various zones, with humidity fluctuating between 53-73%. Investigated thermostat programming and identified dehumidification mode actively engaged, causing system to overcool space in attempt to reduce moisture levels. Adjusted thermostat settings and dehumidification parameters to prevent excessive cooling cycles while maintaining proper humidity control. Verified furnace and air handler operation, inspected condensate drainage system following previous water leak alarm, confirmed drain pan dry and functioning properly. Educated customer on proper thermostat operation and humidity management settings to prevent future over-cooling issues while maintaining comfortable indoor environment.

Responded to callback for inadequate cooling with thermostat set to 60°F but indoor temperature remaining at 74°F. Performed system inspection and documented exterior condensing unit installation and refrigerant line penetrations through building envelope. Follow-up assessment conducted to verify system performance and identify recurring cooling deficiency from previous service visit.

Completed comprehensive ductwork modifications for commercial HVAC system including removal of existing ceiling duct from front entry bathroom with trunk line patching, installation of new supply duct in heat pump closet utilizing flatway 90-degree elbow for proper wall discharge, and addition of 6x10 exhaust register above toilet in entry bathroom. Relocated 4x12 ductwork from removed bathroom section to create new 6x10 return air pathway in master bathroom using two shortway 90-degree elbows, routing through stud space adjacent to existing return. Installed additional 6x10 return air duct in laundry room by running wall stack through stud cavities, connecting to master bathroom return plenum to improve overall system air balance and circulation.

Responded to service call for non-operational second floor air conditioning system. Performed diagnostic evaluation of outdoor condensing unit, utilizing manifold gauges to assess refrigerant pressures and system performance. Inspected indoor air handler and ventilation components, noting dust accumulation on return air grille requiring attention. Completed troubleshooting procedures to identify cause of cooling failure on upper level unit. Additionally performed preventive maintenance service on first floor air conditioning system as requested. Documented all equipment information and captured photographic records of service work performed.

Completed repiping work by replacing existing 1/2" black iron pipe with 3/4" black iron pipe to improve gas flow capacity. Removed corroded sections showing visible rust at elbow joints and compression fittings. Installed new 3/4" black pipe with proper fittings and connections near HVAC ductwork in utility area. All connections were properly sealed and tested for leaks. System restored to full operational status.

Replaced defective circuit board on Rinnai unit and restored system to proper operation. Collected outstanding invoice balance and documented the completed repair with photographs of the internal components including copper refrigerant lines, heat exchanger coils, and brass fittings.

Completed Comfort Plan clean and check maintenance service on two HVAC systems: one air handler unit located in attic crawl space and one rooftop condensing unit installation. Performed comprehensive inspection, cleaning, and testing of both systems per maintenance protocol, collected payment for annual Comfort Plan renewal, and documented equipment conditions with photographs.

Completed full system replacement including reclamation of existing refrigerant from old A/C condenser, evaporator coil, and copper line-set. Disconnected and properly disposed of all existing equipment. Installed new Lennox 4-ton 18 SEER2 variable-speed air conditioning condensing unit on new pad with pea gravel for proper leveling. Mounted new evaporator coil in air handler and connected to existing copper refrigerant lines. Evacuated system to remove moisture and air, then charged with R454B refrigerant to manufacturer specifications. Installed refrigerant detection system (RDS) per current code requirements for A2L refrigerant applications. Mounted and wired new Ecobee Wi-Fi thermostat with one remote sensor, configuring system for optimal operation with variable-speed equipment. Performed complete system startup, tested all operational modes, adjusted airflow and refrigerant charge as needed. Verified proper electrical connections, condensate drainage, and safety controls. Condu

Returned to site to diagnose refrigerant leak location on R-410A system. Inspected air handler unit and determined leak was originating from the evaporator coil rather than the TXV or piston metering device. Replaced defective evaporator coil under manufacturer warranty, evacuated system, and recharged with proper refrigerant specification. Verified system operation and confirmed no additional leaks present.

Completed return diagnostic visit for MS2 and MS4 mini-split systems located near auditorium stage that were not producing cool air. Performed temperature readings and refrigerant pressure testing on both units, confirmed undercharged refrigerant levels, and applied identification labels to all systems for future reference. Determined MS1 unit requires 50mfd capacitor replacement to restore proper operation.

Completed comprehensive clean and check maintenance service on three air conditioning systems as part of Comfort Plan agreement. Performed electrical diagnostics using digital multimeter to verify proper voltage and amperage readings across all units, inspected and tested thermostat operation confirming accurate temperature control and system cycling, and conducted thorough visual inspection of equipment components to ensure optimal performance and reliability for the cooling season.

Completed comprehensive clean and check maintenance service on dual heat pump system as part of comfort plan renewal. Performed thorough inspection of all system components including air handler, refrigerant lines, condensate drainage, and electrical connections, with diagnostic temperature readings confirming proper operation at 58°F. All equipment tagged and documented, system operating within manufacturer specifications.