Heating & Cooling Services in Chicago, IL

Conducted on-site assessment for first-floor mini-split installation in a two-flat building currently utilizing window AC units. Evaluated existing electrical panel capacity and infrastructure to determine compatibility with Mitsubishi mini-split system requirements, documented basement utility area conditions and available routing options for refrigerant lines and electrical connections.

Completed full HVAC system replacement including furnace and air conditioning equipment. Reclaimed existing refrigerant from old A/C system per EPA regulations, then disconnected and properly disposed of existing forced air furnace, A/C condenser unit, and evaporator coil. Installed new SL280UH070V36A forced air furnace (Cat #78W67) and connected to existing supply and return air ductwork with necessary sheet metal transitions fabricated on-site. Connected furnace to existing gas line, electrical circuit, and exhaust venting. Installed new ML13KC1-024-230 A/C condensing unit (Cat #25C64) on new pad with pea gravel base to ensure proper leveling and drainage. Mounted new evaporator coil compatible with new system. Connected both units to existing copper refrigerant line-set. Performed complete system evacuation to remove all moisture and air, then charged system with R454B refrigerant to manufacturer specifications. Conducted full start-up procedures, tested all safety controls, verifie

Responded to service call for reported water leak from furnace with suspected condensation line issue. Upon arrival, performed thorough inspection of HVAC system including furnace unit, blower assembly, and PVC condensate drain piping. Investigated condensation line connections and drainage system for potential leaks or blockages. Measured and assessed furnace cabinet clearances and component spacing to identify source of moisture. Examined blower motor assembly and surrounding areas for water damage or accumulation. Inspected ductwork, ventilation components, and basement installation for proper drainage and condensate removal. Documented system conditions with detailed photographs of furnace interior components and mechanical room layout for service records.

Responded to no cooling complaint on 2006 Carrier air conditioning system. Upon arrival, verified thermostat settings, filter condition, and electrical breakers. Performed diagnostic evaluation of outdoor condensing unit and indoor air handler. Inspected electrical components including contactor and TITAN PRO TRCFD455 capacitor for proper operation and connections. Documented equipment condition with photos of furnace/air handler installation and electrical control panel components. System age and previous service history noted during evaluation.

Completed multi-zone HVAC install warranty service addressing several outstanding items. Replaced temporary contactor on condensate pump wet switch with proper relay wired normally closed. Tested and verified proper heating and cooling operation on all zones across second and third floors. Wired humidifier and rerouted drain line away from furnace vent and neutralizer for proper drainage. Reinstalled insulation on upper coil plenum. Verified and confirmed proper refrigerant charge on system. Replaced thermostat batteries, identified missing outdoor temperature sensors that require installation to complete system setup.

Returned to property to complete warranty recall work on humidifier installation. Successfully capped the saddle valve using a 1/4" brass cap to properly seal the water supply line, eliminating potential leak points and ensuring system integrity per manufacturer specifications.

Completed follow-up service call to address multiple outstanding items from previous installation. Replaced temporary contactor on condensate pump wet switch with proper relay wired normally closed for correct operation. Tested all heating and cooling zones on second and third floors to verify proper system function across all areas. Completed humidifier wiring and relocated humidifier drain line away from furnace vent and neutralizer to proper drainage location. Reinstalled and secured insulation on upper coil plenum for proper thermal efficiency. Verified and confirmed refrigerant charge is within manufacturer specifications. Replaced thermostat batteries, which appear to have been intended for two outdoor temperature sensors that are currently missing, likely removed during condenser replacement. Outdoor sensors still require installation to complete system setup.

Completed full mini split system installation in residential property. Installed indoor air handler unit in interior living space with proper mounting and clearances. Routed refrigerant lines, condensate drain, and electrical connections through wall penetrations to outdoor condenser location. Secured all line sets with appropriate insulation and weather protection. Mounted outdoor condensing unit on exterior with proper anchoring and clearances from structure. Made all electrical connections per manufacturer specifications and local code requirements. Pressure tested refrigerant lines, evacuated system to proper vacuum levels, and charged system with refrigerant to manufacturer specifications. Verified proper system operation including cooling capacity, airflow, condensate drainage, and thermostat functionality. All components operating within normal parameters upon completion.

Replaced exterior electrical disconnect box for HVAC system. Installed new disconnect enclosure with ICM surge protection module rated for single-phase operation. Properly terminated and secured all electrical connections with appropriate wire nuts, routing conductors through conduit. Verified proper operation of disconnect switch with clearly marked ON/OFF positions. Collected final payment and discussed potential maintenance service scheduling.

Completed air conditioning clean and check maintenance per the Goodman Comfort Plan. Performed comprehensive system inspection including testing of the capacitor, which measured 146.2 microfarads and is operating within normal parameters. Inspected all electrical connections, wiring, and internal components of the air handler unit, confirming proper operation and secure connections throughout the system.

Responded to gas leak call and performed comprehensive system inspection. Located and replaced faulty compressor capacitor (C 7.5D-2) which was causing electrical issues. Inspected Hydrostat 16 control panel and verified proper operation with digital readout displaying normal parameters at 0.887. Cleaned accumulated debris from equipment housing and tested all electrical connections for safety. System restored to safe operating condition with no gas leaks detected upon completion of repairs.

Completed diagnostic service call on residential air conditioning system with suspected humidifier-related performance issues. Inspected outdoor dual condenser unit installation, evaluated electrical connections and operational components, and documented existing HVAC equipment configuration including two AC condensers positioned on gravel pad against building exterior. Provided system assessment and presented replacement options with available customer incentives and maintenance plan enrollment opportunity.

Responded to service call for thermostat displaying incorrect temperature reading of 43 degrees. Upon arrival, found Honeywell Home digital thermostat showing normal operation with current temperature of 82 degrees and cooling mode active with setpoint at 70 degrees. Verified thermostat functionality, confirmed accurate temperature sensing, and determined issue was resolved after customer had power cycled the unit prior to arrival.

Completed comprehensive clean and check maintenance service on three heat pump systems as part of group comfort plan agreement. Performed standard maintenance procedures including inspection of blower assemblies, refrigerant lines, electrical connections, and heat exchanger components on all units. All systems operational and functioning within normal parameters upon completion of service.

Responded to no cooling call on rooftop unit. Upon arrival, performed diagnostic testing using digital multimeter to check electrical components and system voltages. Inspected evaporator coil assembly and identified visible damage to coil casing with rust and corrosion present at bottom corner panel. Documented equipment condition with photos showing coil fin assembly and compromised metal housing. Discussed findings and repair options with customer.

Responded to warranty call for water leakage around furnace, humidifier water panel replacement indicator, and metallic rattling noise from unit. Upon inspection, traced water source to condensate drain line issue and cleared blockage in PVC drainage system. Examined evaporator coil assembly and verified proper operation of condensate removal system. Inspected humidifier control panel and confirmed water panel requires replacement per maintenance indicator; advised customer of normal maintenance requirement. Investigated reported metallic rattling noise by examining blower assembly, heat exchanger area, and mechanical components within furnace cabinet. Identified loose mounting hardware on blower motor assembly causing vibration and noise; tightened all fasteners and verified secure mounting. Checked refrigerant lines and copper piping connections for proper support and insulation. Tested system operation through complete heating cycle to confirm resolution of all reported issues. Veri

Responded to service call for non-operational air conditioning system. Upon inspection of the 3-year-old outdoor condensing unit, diagnosed failed contactor preventing compressor and condenser fan operation. Replaced defective contactor with new component, verified all electrical connections were secure at terminal block, and tested capacitor functionality. System restored to full operational status with proper cooling cycle confirmed.

Responded to warranty call for potential condensate line clog and excess condensation from cooling system. Inspected rooftop unit with extended ladder and traced condensate drainage system through mechanical room. Located obstruction in PVC condensate drain line beneath air handler unit. Cleared blockage and installed new flexible drain coupling to restore proper drainage flow. Verified system operation and confirmed condensate removal functioning correctly with no further water accumulation.

Completed full HVAC system installation including verification of refrigerant charge with superheat and subcooling readings within manufacturer specifications for factory pre-charged units with 30' lineset. Performed operational testing in both cooling and heating modes to confirm proper system function. Wired zone dampers per existing configuration, connected steam humidifier to system controls, and replaced batteries in all thermostats. Installed condensate pan treatment tablet and verified proper drainage. System commissioned and left in operational status with all components functioning as designed.

Responded to report of inefficient commercial water heater producing lukewarm water after short periods of use. Upon inspection, identified failed circulator pump with malfunctioning timer control affecting heat distribution throughout the system. Replaced defective circulator pump assembly and timer mechanism, tested unit operation to verify proper water temperature maintenance and adequate hot water recovery time.