Heating & Cooling Services in Chicago, IL

Completed spring maintenance clean and check on air conditioning system per comfort plan protocol. Performed comprehensive inspection of blower assembly, which showed clean operation with no debris accumulation or blade damage. Conducted electrical diagnostics using digital multimeter to verify proper amperage draw and system performance. Replaced media filter and confirmed all components operating within manufacturer specifications.

Completed spring preventive maintenance and clean and check service on two Carrier air conditioning systems per Good Contractor Plan protocol. Performed comprehensive inspection of both outdoor condensing units, including electrical components, control boards, capacitors, and refrigerant line connections. All circuit boards, capacitors, and electrical connections were inspected and found to be in operational condition with proper wiring integrity maintained throughout both systems.

Responded to emergency service call for leaking ductless mini-split unit approximately two months post-installation. Conducted thorough inspection of wall-mounted indoor evaporator unit in bedroom and traced condensate drainage system to exterior rooftop discharge point. Identified improper condensate line routing causing water leakage, corrected drainage configuration using PVC components, and verified proper pitch and flow to exterior gutter system. Confirmed unit operation and resolved leak under warranty coverage.

Completed warranty replacement of outdoor air conditioning condenser unit with correct Lennox model. Removed existing AC unit and returned to shop for warranty processing, ensuring adequate refrigerant line length was preserved to avoid service valve replacement. Installed new condenser on existing pad, verified system specifications and charge requirements, and performed diagnostic measurements to confirm proper operation.

Performed comprehensive quality audit and system start-up verification on newly installed HVAC system. Conducted thorough installation quality inspection of outdoor condensing unit, verified proper refrigerant charge levels, confirmed correct drainage system installation with PVC condensate lines, and cross-referenced unit specifications against manufacturer documentation to ensure all parameters meet design requirements. All components functioning properly with system operating within normal specifications.

Responded to emergency no-cooling call for 3-year-old residential air conditioning system. Upon arrival, performed visual inspection of outdoor condensing unit, noting significant accumulation of dirt and debris on condenser coil fins restricting airflow. Conducted diagnostic testing using refrigerant gauges to assess system pressures and operational parameters. Condenser coil cleaning required to restore proper heat exchange and system efficiency, addressing primary cause of cooling failure.

Completed comprehensive comfort plan maintenance on residential air conditioning system located in basement. Performed standard clean and check procedures including temperature differential measurements across supply and return air streams. Supply air temperature recorded at 57.5°F and return air temperature measured at 68.9°F, indicating proper system operation with approximately 11.4°F temperature split. Inspected ductwork and HVAC components, verified proper airflow, and confirmed system is operating within normal parameters for cooling season.

Responded to no cooling complaint with reported strange noise and water leakage. Found severely restricted airflow due to extremely dirty air filter causing evaporator coil to freeze and resulting in active condensate overflow. Documented condition of outdoor condenser coil showing significant dirt accumulation on fin surfaces. Performed electrical diagnostics on blower motor and system components using digital multimeter to verify proper operation. System required filter replacement and coil thawing before normal operation could resume.

Completed comprehensive Comfort Plan maintenance on three HVAC systems including central air conditioning unit, electric air cleaner, and mini-split system with additional air handler head. Performed standard clean and check procedures on all equipment per manufacturer specifications. Verified refrigerant temperatures at 170°F on heating components, inspected copper line sets for proper insulation and connections, and confirmed all systems operating within normal parameters. Documented equipment conditions with photographic records showing proper temperature readings and line set installations.

Completed HVAC installation callback to finalize remaining system components. Finished flue pipe installation, completed humidifier wiring and water line connection, verified gas connections, checked and adjusted refrigerant charge to manufacturer specifications, and programmed thermostat with WiFi connectivity setup.

Responded to service call for thermostat error code #31 and AC not activating on unit installed two months prior. Performed system diagnostics and verified refrigerant charge levels, as customer reported inadequate cooling performance since initial installation. Inspected Goodman evaporator coil (Model CK10CT-50/60C-71, manufactured 08/2025) and associated components in basement mechanical room, documented equipment specifications and system configuration with photos for service records.

Completed spring preventive maintenance clean and check on air conditioning system per comfort plan agreement. Performed comprehensive inspection of all system components including blower assembly, electrical controls, circuit board connections, and evaporator coil. Cleaned coil fins, verified proper operation of all safety controls and gas valve assembly, checked refrigerant pressures, and confirmed system is operating within manufacturer specifications.

Completed full HVAC system replacement including furnace, air conditioning system, and humidifier. Disconnected and disposed of existing forced air furnace, then installed new Lennox SL280UH070XV36A 80% efficiency 66K BTU two-stage variable speed furnace with connections to existing supply/return ductwork, gas line, electrical circuit, and exhaust system. Reclaimed refrigerant from old A/C system and removed existing condenser and evaporator coil. Installed new Lennox EL15KC1-018-230 1.5 ton 15 SEER2 single-stage condensing unit on roof and new evaporator coil, connected to existing copper refrigerant lines. Evacuated system to remove moisture and air, then charged with R454B refrigerant to manufacturer specifications. Replaced existing bypass humidifier with new Aprilaire AA 600 model mounted to supply plenum. Crane lift was coordinated for rooftop equipment placement. All sheet metal transitions fabricated and installed as needed for proper airflow. Performed complete system startup,

Completed full Unico high-velocity HVAC system installation, including flexible ductwork routing through attic space with proper insulation clearances and installation of supply outlets with decorative wall escutcheons. System tested and verified operational, with customer enrolled in comfort maintenance plan.

Completed spring preventive maintenance and clean and check service on rooftop commercial air conditioning system per maintenance agreement protocol. Performed comprehensive inspection of condenser unit, verified electrical connections and disconnect boxes, measured system temperatures with digital instrumentation recording -19.5°F temperature differential indicating proper refrigerant charge and cooling performance, and confirmed all mechanical components operating within manufacturer specifications.

Responded to cooling complaint on residential HVAC system over 10 years old. Upon inspection, discovered significant dust and debris accumulation on blower wheel assembly and interior housing components. Documented condition of squirrel cage blower with extensive particulate buildup affecting airflow efficiency, which was likely contributing to reduced cooling performance.

Completed comprehensive maintenance tune-up on Bosch heating and cooling system including standard inspection, cleaning, and performance testing of all components. Assessed and documented exterior refrigerant line insulation damage requiring replacement due to animal activity. Reviewed ecobee smart thermostat configuration including compressor protection settings, AC overcool dehumidification parameters set at 3°F, and heat differential temperature thresholds to optimize system performance. Evaluated airflow balance concerns between finished basement and upper level, discussed potential solutions for temperature distribution improvement and explored energy recovery ventilation options to enhance indoor air quality and system circulation.

Completed full HVAC system replacement including removal and disposal of existing forced air furnace and air conditioning system. Installed new Lennox SLP99UH090XV36CK 99% efficiency 88,000 BTU gas furnace (Cat #26J91) with connections to existing supply/return ductwork, gas line, electrical circuit, and exhaust system with necessary sheet metal transitions. Reclaimed refrigerant from old AC system and installed new Lennox EL18KSLV-036 3-ton variable speed heat pump condenser (Cat #28V26) on leveled pad with pea gravel and new matching evaporator coil. Connected system to existing copper refrigerant lines, evacuated system to remove moisture and air, and charged with R454B refrigerant to manufacturer specifications. Performed complete system startup, testing, adjustment, and safety inspection on all equipment to verify proper operation of both heating and cooling systems.

Continued installation of Unico high-velocity HVAC system, including routing and securing flexible ductwork through crawl space with proper insulation wrapping. Installed and positioned ceiling-mounted supply outlets with chrome trim rings in bathroom area, completing system distribution for conditioned air delivery.

Responded to service call for non-operational air conditioning unit following roof work where system had been disconnected and reconnected. Upon arrival, performed diagnostic inspection of outdoor condenser unit and electrical connections. Inspected condenser coil fins for damage and verified proper physical condition of heat exchanger components. Examined electrical panel, wiring connections, and component mounting to ensure proper reassembly after roof contractor disconnect. Verified all wire terminations, checked capacitor and electrical components for secure connections, and confirmed refrigerant lines were properly reconnected. System restored to operational status after inspection and reconnection verification.