Heating & Cooling Services in Chicago, IL

Completed full HVAC system replacement including removal and disposal of existing forced air furnace and air conditioning system. Installed new Lennox SL280UH070V36AK 80% two-stage variable speed forced air furnace (70,000 BTU) with connections to existing supply and return ductwork, gas line, electrical circuit, and exhaust system. Reclaimed refrigerant from old AC system and installed new Lennox EL18KCV-024-230 2-ton 18 SEER2 variable speed air conditioning condenser on leveled pad with pea gravel, along with new evaporator coil. Connected new AC system to existing copper refrigerant lines, performed vacuum procedure to remove moisture and air, and charged system with R410A refrigerant. Installed Ecobee smart thermostat for system control. Conducted complete startup, testing, adjustment, and safety inspection of all equipment to verify proper operation. System includes 12-year parts warranty and 12-year extended labor agreement. Follow-up attic inspection scheduled to address airflow

Installed E100 whole-home dehumidifier in basement mechanical room, replacing existing shelving. Ran 10" ductwork with two supply registers—one through wall near laundry room and one by treadmill area—to distribute conditioned air throughout basement and upper levels. Unit features automatic humidity control with programmable settings down to 45% RH, hourly air sampling capability, and independent operation. Installation includes proper leveling, electrical connection to control panel, and metallic flex duct with reflective insulation. System provides dual benefit of dehumidification and passive heating from heat of compression, improving overall comfort in conditioned spaces.

Responded to no cooling complaint on 15+ year old Trane air handler system. Upon arrival, confirmed unit was running but not producing cold air. Performed diagnostic evaluation of the system including temperature differential measurements at supply ductwork, which registered 73.8°F indicating insufficient cooling. Inspected air handler unit located in utility closet and assessed overall system condition. Identified failed cooling component preventing proper refrigeration cycle operation. Discussed repair options and replacement recommendations given age of equipment, as systems over 15 years typically experience declining efficiency and increased failure rates of major components.

Replaced failed blower motor assembly in HVAC system. Removed old motor unit from housing, disconnected electrical connections, and installed new motor with proper mounting brackets. Verified all wire connections and tested system operation to ensure proper airflow and functionality.

Performed comprehensive Comfort Plan clean and check maintenance on single HVAC system per scheduled early morning appointment. Completed full system diagnostics using digital multimeter to verify electrical performance and replaced standard 14x21x19 E-Z Flow air filter. All system components inspected and operating within normal parameters.

Performed comprehensive HVAC system evaluation for replacement estimate on residential property with existing 2015 furnace and 3-4 year old air conditioning system. Customer reported weak airflow throughout home despite recently replacing filter and maintaining clean evaporator coil. Conducted thorough inspection of outdoor condensing unit positioned on concrete pad adjacent to building exterior, noting cylindrical configuration with protective fan grille and standard vertical fin arrangement. Examined indoor furnace and air handler installation located in basement utility area, documenting existing ductwork configuration with galvanized metal supply plenum and associated copper refrigerant lines with insulation. Assessed overall system performance and identified need for ductwork evaluation and potential modifications to address inadequate airflow concerns. Documented equipment specifications, installation conditions, and mechanical room layout with reflective insulation barriers. Pro

Completed comprehensive clean and check maintenance on single HVAC system under comfort plan agreement. Performed standard maintenance procedures including inspection of air handler control board, verified proper operation of all electronic components and connections, and confirmed thermostat functionality with dual-zone system displaying proper temperature readings at 77 degrees. Investigated reported whistling noise in bedroom area during system operation to identify potential airflow or ductwork issues requiring attention.

Performed warranty follow-up on multi-unit rooftop HVAC installation. Temporarily rewired thermostat control wiring by connecting R wire from wireless transmitter to Y terminal and Y to R at condenser to restore system operation pending replacement of defective wireless transmitter. Identified and documented multiple installation deficiencies requiring correction: damaged 1/2" conduit compression coupling concealed under equipment pad needs replacement, 1/2" conduit requires rerouting to prevent roof membrane contact, electrical disconnect box improperly secured with single screw instead of full mounting hardware, and 3/4" conduit serving first floor unit requires rework to eliminate roof contact. Verified all three rooftop units require programming adjustment to comfort mode per manufacturer specifications. Return visit scheduled to install new wireless transmitter, restore proper thermostat wiring configuration, replace damaged conduit coupling, secure all conduit runs with proper cl

Responded to no cooling call and diagnosed failed wet switch with significant corrosion and debris buildup visible inside the sensor housing. Replaced defective wet switch with new component and restored system to proper operation. Verified all electrical connections at control board, tested system functionality, and confirmed unit cooling effectively upon completion.

Responded to customer concern regarding water leaking from ductwork in mechanical space. Upon inspection, identified significant condensation accumulation on insulated ductwork surface due to inadequate insulation and temperature differential. Verified WhisperHeat HVAC system operational status and confirmed unit cooling effectively with amperage reading of 14.46 amps at outdoor condensing unit. Inspected ductwork routing through attic/utility space and noted moisture present on flexible duct surfaces. Explained to customer that condensation is forming on cold supply ducts when warm, humid air contacts inadequately insulated duct surfaces. Recommended improving duct insulation and verifying proper vapor barrier installation to prevent future moisture accumulation and potential water damage to surrounding building materials.

Responded to no cooling call on recently installed system under warranty. Upon arrival, inspected control board and wiring connections within furnace cabinet. Found loose wire connection at control board terminal block that had worked free since installation. Secured all wire connections to circuit board terminals, verified proper seating of all connectors, and tested system operation. Unit powered on successfully with all control sequences functioning normally. Confirmed proper voltage at board, tested safety circuits, and verified communication between thermostat and control board. System now cooling properly with no faults detected.

Completed preventative maintenance tune-up on residential split HVAC system consisting of 3-4 year old air conditioning unit and 2015 furnace. Performed standard inspection and testing procedures on outdoor condensing unit, verified electrical amperage readings at 47.4A, and assessed overall system operation. Evaluated ductwork system due to reported weak airflow issues and provided recommendations for necessary ductwork improvements to optimize system performance and air distribution throughout the residence.

Responded to no cooling complaint on 6-9 year old residential HVAC system. Performed diagnostic testing using refrigerant manifold and digital thermometer to assess system performance. Supply air temperature measured at 58°F, indicating inadequate cooling output. Conducted pressure and temperature analysis across refrigerant circuit, documenting superheat and subcool values to determine root cause of cooling failure. Identified system deficiency and presented repair options to restore proper cooling operation.

Responded to no cooling complaint on residential air conditioning system. Upon arrival, performed diagnostic evaluation of electrical components including motor assembly and associated wiring connections. Inspected capacitor, contactor, and motor terminals for proper operation and secure connections. Verified thermostat settings, checked air filter condition, and confirmed circuit breakers were in proper position.

Completed complimentary preventive maintenance clean and check on HVAC system per comfort plan agreement. During inspection, identified biological growth (mold/algae) on evaporator coil assembly and vertical support bracket requiring attention. Documented system temperature readings at 56.3°F, photographed equipment condition including fin assembly with visible contamination and debris accumulation on coil surfaces. Noted unit showing signs of moisture retention contributing to microbial growth, with dust and dirt buildup present throughout fin sections. System assessed and documented for follow-up cleaning recommendations to restore optimal performance and indoor air quality.

Responded to service call for mini-split system with no cooling capability while heating mode functioned properly. Performed diagnostic assessment of outdoor condensing unit, measuring refrigerant line temperatures and electrical component performance using digital multimeter and temperature probe. Tested capacitor voltage and continuity, inspected refrigerant lines for proper operation, and evaluated system pressures. Identified cooling mode malfunction through systematic troubleshooting of electrical components and refrigerant circuit. Documented equipment information and presented repair options with available pricing to address the cooling deficiency.

Completed spring clean and check maintenance on rooftop air conditioning unit per comfort plan agreement. Coordinated with front desk and building engineers for rooftop access, performed comprehensive system inspection including electrical testing with digital multimeter to verify proper voltage and amperage readings, inspected and tested capacitor connections, examined blower motor assembly and electrical connections, and checked condensate drainage system. All components found operating within normal parameters.

Completed comprehensive tune-up and preventive maintenance on rooftop HVAC system. Performed electrical diagnostics using digital multimeter, verified voltage readings at control panel showing 490V, and inspected all wiring connections including power and control circuits. All equipment operating within normal parameters, system clean and clear with no corrections needed at this time.

Responded to a complete system failure on a 2-year-old Haier multi-zone ductless mini-split system with four wall-mounted indoor units and an outdoor condensing unit mounted approximately 5-6 feet above ground level. Upon arrival, confirmed no power to any indoor units and no operation of outdoor unit. Accessed outdoor unit by removing front service panel and performed diagnostic inspection of internal components including control board, wiring connections, and electrical circuits. Photographed equipment condition and internal components showing circuit boards, wiring harnesses, copper refrigerant lines, and condensate drainage system for documentation purposes. System experienced sudden failure with no warning indicators or unusual sounds prior to shutdown, suggesting potential electrical or control board failure requiring further diagnosis and component replacement.

Completed comprehensive clean and check maintenance on one HVAC system per Comfort Plan agreement. Replaced 14x20x1 air filter with new unit to maintain proper airflow and system efficiency. Performed thorough inspection of blower motor assembly and measured critical system parameters including temperatures and pressures using calibrated digital diagnostic equipment. All components found operating within manufacturer specifications with no deficiencies noted. System tested and confirmed operating properly upon completion.