Heating & Cooling Services in Chicago, IL

Completed HVAC system replacement estimate for residential property requiring 1.5 ton air conditioning unit installation on roof with crane access and furnace replacement in interior closet. Assessed existing Rheem Classic Quiet 80 furnace installation with associated ductwork, copper refrigerant lines, and electrical connections. Documented current system configuration including galvanized sheet metal supply plenum, insulated flexible ductwork, and mechanical room layout to provide accurate replacement specifications. Evaluated roof access requirements for condenser placement and determined crane lift necessity due to site constraints. Provided comprehensive estimate for complete system replacement including new air handler, condensing unit, refrigerant line set, electrical upgrades, and ductwork modifications as needed for proper installation and code compliance.

Responded to commercial rooftop unit heating issue on York RTU. Upon inspection, found failed high limit switch requiring replacement. Temporarily disabled heating system by disconnecting W wire at thermostat terminal on main circuit board to prevent unit operation until proper repair could be completed. Documented extensive corrosion on heat exchanger components and internal metalwork, indicating prolonged moisture exposure. Ordered replacement high limit switch for return visit to complete repair and restore heating functionality by reconnecting W wire at circuit board.

Responded to commercial property for no cooling complaint with rooftop unit not operating. Accessed roof using provided entry code and located affected white packaged HVAC unit among multiple rooftop installations. Performed diagnostic inspection of unit and documented equipment condition with photographs for service records.

Performed comprehensive Comfort Plan maintenance on single-zone residential air conditioning system. Inspected Lennox outdoor condensing unit, verified proper operation of compressor and condenser fan motor, and cleaned coil surfaces. Replaced 16x25x1 air filter at indoor air handler location. All system components operating within normal parameters at time of service completion.

Completed spring maintenance and clean-and-check service on residential Carrier HVAC system per comfort plan agreement. Performed comprehensive inspection of furnace and air conditioning components, verified system operation with digital measurement tools, and documented equipment condition with photos showing proper installation and functionality of all mechanical components in basement utility space.

Responded to no cooling call on Goodman split system. Performed diagnostic evaluation of indoor air handler and outdoor condensing unit. Inspected refrigerant lines, electrical connections, and ductwork configuration. System assessed for proper operation, airflow, and refrigerant charge levels to determine root cause of cooling failure and presented repair options to restore functionality.

Removed and disposed of existing 50-gallon water heater from basement location. Installed new 50-gallon energy-efficient water heater in same position. Connected unit to existing gas line, electrical supply, water piping, and exhaust chimney venting system. Installed temperature and pressure relief valve assembly with copper supply lines and brass fittings. Verified all connections for proper operation and completed safety inspection of entire system. Unit tested and confirmed operational with 6-year warranty on parts and tank, plus 1-year labor warranty.

Responded to no cooling call on residential air conditioning system. Upon arrival, inspected American Standard furnace with air handler in basement and outdoor condensing unit. Verified thermostat settings, checked electrical breakers, and confirmed system power supply. Diagnosed non-operational outdoor unit, identifying failed capacitor and contactor issues preventing compressor from starting. Replaced defective dual run capacitor and contactor, restored proper electrical connections at outdoor disconnect. Tested system operation, confirmed proper amperage draw on compressor and fan motor, and verified adequate airflow at supply registers. System restored to full cooling operation with all components functioning within manufacturer specifications.

Responded to no cooling complaint where system was not maintaining set temperature. Located HVAC unit in basement utility area. Performed diagnostic testing using clamp meter to verify electrical readings and system operation. Identified and resolved issue preventing proper cooling function. System restored to normal operation with appropriate temperature control functionality.

Responded to no cooling and unusual noise complaint on residential air conditioning system originally installed in 2016. Upon inspection, found evaporator coil heavily contaminated with debris and dust accumulation, restricting airflow and causing reduced cooling capacity. Observed copper refrigerant lines showing oxidation and corrosion. System had not received regular maintenance since 2020, contributing to deteriorated condition. Documented equipment condition with photos showing significant buildup on coil fins and corroded copper components requiring attention.

Provided comprehensive estimate for complete HVAC system replacement including furnace and air conditioning unit following previous diagnosis of cracked heat exchanger and ongoing safety concerns. Evaluated existing Heil air handler installation, rooftop condenser units, refrigerant lines, and associated plumbing connections. Presented replacement options to address critical heat exchanger failure, green diagnostic light indication on furnace, and potential water heater leak to ensure system safety and proper operation.

Responded to no cooling complaint on HVAC system less than 10 years old. Upon arrival, verified thermostat settings, checked filter condition, and confirmed breaker status. Performed system diagnostics and temperature measurements, recording supply air temperature of 56.5°F at the air handler unit. Inspected refrigerant lines showing oxidation and discoloration on copper piping, examined condensate drainage system, and evaluated overall equipment condition. Noted damaged insulation material on air handler cabinet requiring attention. Documented equipment information and captured photographic evidence of system components including piping connections, heat tape applications, and mechanical room configuration for service records.

Conducted AC estimate for heat pump replacement system serving first floor and basement. Existing air conditioning condenser unit is 15-20 years old and existing furnace is approximately 14 years old. Inspected outdoor condensing unit positioned on concrete pad in narrow side yard service area between buildings. Unit shows age-appropriate wear with visible weathering on surrounding brick structure and moisture accumulation evidenced by moss growth at wall base. Documented existing electrical junction boxes, PVC condensate drainage system, and current equipment configuration. Assessed installation space constraints due to narrow alleyway access and proximity to brick walls. Photographed existing equipment and site conditions for replacement system planning.

Responded to callback regarding unusual noise following previous service visit where hose connection was made. Inspected HVAC ductwork system in ceiling space and mechanical room containing water heater, furnace, and associated plumbing connections. Verified all recent hose connections, examined PVC piping network, checked pressure gauges, and assessed ductwork installation for potential vibration or airflow issues. Determined source of noise and confirmed all systems operating within normal parameters.

Completed thorough clean and check maintenance on air conditioning system per comfort plan agreement. Performed comprehensive electrical diagnostics including capacitor testing with digital multimeter, verifying proper capacitance values and voltage readings on dual-run capacitor (45+5μF, 440VAC). Inspected all electrical connections, contactor operation, and system components, confirming equipment is operating within manufacturer specifications and ready for continued service.

Performed comprehensive clean and check on outdoor air conditioning system per comfort plan agreement. Conducted electrical diagnostics using clamp meter, recording amperage readings and verifying capacitor operation. Inspected condenser unit components, cleaned exterior surfaces, and confirmed proper system operation with all parameters within manufacturer specifications.

Responded to no-power complaint on residential air conditioning system. Upon arrival, found unit completely non-responsive with no power supply to outdoor condenser. Performed diagnostic testing and traced electrical circuit from thermostat through furnace control board to outdoor disconnect. Measured temperature readings at equipment location showing 71.7°F ambient temperature in mechanical room. Documented existing HVAC installation including furnace unit and associated ductwork in basement location. Collected equipment model and serial number information for service records. Presented flat rate repair options to restore cooling operation and discussed preventive maintenance program enrollment. Additional diagnostic time required beyond initial service call to isolate root cause of electrical failure.

Responded to warranty call for system with refrigerant restriction. Upon arrival, diagnosed suction side pressure running very low with high side pressure increasing normally during charging attempt, indicating blockage in refrigerant circuit. Performed refrigerant recovery and system evaluation. Pulled refrigerant into compressor, inspected piston for obstruction, and flushed refrigerant lines to clear restriction. Verified proper refrigerant flow through both suction and discharge sides of system. Recharged system to manufacturer specifications and confirmed normal operating pressures and temperatures on both rooftop condenser units.

Responded to service call for reported water leak potentially related to furnace malfunction indicated by green flashing light. Upon inspection, discovered water heater with severe corrosion and rust damage on top surface, particularly around access port area, indicating long-term moisture exposure and deterioration. Documented extensive paint failure and metal oxidation throughout unit. Assessed furnace status and noted previous history of cracked heat exchanger from prior service visit. Performed diagnostic evaluation of both water heater and heating system to determine source of leak and potential safety concerns. Measured and photographed affected areas showing moisture accumulation on nearby insulation. Recommended comprehensive evaluation by senior technician before proceeding with any repairs given safety implications and equipment condition.

Responded to no cooling call and performed diagnostic evaluation of air conditioning system. Inspected air filtration system and documented filter conditions. Conducted exterior unit inspection including refrigerant line set and condensate drainage components.