Heating & Cooling Services in Chicago, IL

Completed full HVAC system replacement including removal and disposal of existing forced air furnace and air conditioning condenser and coil. Installed new Lennox SLP99DF090XV48CK 99% efficiency 88,000 BTU gas furnace (Cat #26J66) connecting to existing supply and return ductwork with necessary sheet metal transitions, existing gas line, electrical circuit, and exhaust venting. Reclaimed refrigerant from old system and installed new Lennox EL19KPV-048-230 4-ton variable speed heat pump unit (Cat #25J83) on new pad with pea gravel leveling, along with new evaporator coil. Connected heat pump to existing copper refrigerant lines, evacuated system to remove moisture and air, and charged with R454B refrigerant to manufacturer specifications. Installed thermostat wiring and control panel. Performed complete system startup, testing, adjustment, and safety inspection to verify proper operation of all equipment. System includes 12-year parts warranty and 12-year extended labor agreement.

Responded to warranty callback for recurring water leak issue with HVAC unit dripping through wall. Inspected air handler installation in utility closet, examined ductwork connections, and verified proper operation of condensate drainage system. Documented equipment condition including installed Polaris air purifier and filtration components to ensure leak source was identified and system operating within manufacturer specifications.

Responded to no cooling complaint on 10+ year old HVAC system where indoor temperature was rising to 75°F despite thermostat set to 69°F. Upon arrival, confirmed Aprilaire thermostat was properly set to cooling mode with permanent hold engaged, displaying 75°F actual temperature. Verified indoor blower motor was operating normally, but compressor was not engaging. Previous attempts to reset breaker and unit by building maintenance had not resolved the issue. Accessed HVAC equipment in utility closet and performed diagnostic evaluation of furnace and air conditioning components. Inspected electrical connections, copper refrigerant lines, and shut-off valves. Documented equipment model information and captured photos of thermostat display showing temperature differential and system configuration, as well as interior HVAC installation. Coordinated with office regarding condo association approval process for repairs per building policy. System requires compressor circuit diagnosis and pote

Conducted site assessment of existing NTI boiler system to provide estimate for adding new heating zone and radiator installation. Documented current mechanical room configuration including wall-mounted boiler unit, cylindrical storage tank, expansion tank, and associated copper piping infrastructure. Evaluated existing heating distribution system and available connection points for proposed zone addition, noting all equipment previously installed by our company remains in operational condition.

Responded to service call for non-operational air conditioning system that was smoking prior to shutdown. Inspected 15-year-old outdoor condenser unit located on ground-level concrete pad in backyard. Documented existing equipment configuration including electrical disconnect, conduit routing, and Honeywell thermostat. Provided comprehensive estimate with repair and replacement options due to age of system and reported smoking condition.

Responded to no-cooling service call on residential air conditioning system. Upon arrival, performed diagnostic evaluation of outdoor condenser unit and verified indoor temperature reading of 73°F. Conducted visual inspection of equipment, documented unit condition and electrical connections, collected all equipment information, and presented flat-rate repair options to restore cooling operation.

Replaced existing air scrubber unit on HVAC system. Removed old air purification device and installed new air scrubber assembly onto furnace plenum, securing all connections with proper ductwork attachments and metallic tape. Verified electrical connections to control board, confirmed LED indicator light functioning properly, and tested system operation to ensure proper air filtration performance.

Returned to site to complete warranty work by replacing defective circuit breaker for AC unit. Removed worn 200-amp main breaker from electrical panel and installed new QOM2200VH breaker rated at 22,000A interrupting capacity, 120/240V AC. Verified proper electrical connections, tested breaker operation, and confirmed AC system functionality upon completion.

Responded to new customer service call for humidifier operation and functionality assessment. Upon arrival, located Aprilaire humidifier unit installed in basement mechanical room adjacent to air handler system. Observed significant condensation accumulation on ductwork above humidifier, indicating potential over-humidification or control issues. Inspected humidifier control humidistat mounted near unit and assessed operational status. Provided customer education on proper humidistat operation, including seasonal adjustment settings and humidity level recommendations for optimal indoor air quality and equipment performance. Documented existing equipment with photographs showing humidifier installation, ductwork configuration, and mechanical room layout. Discussed repair versus replacement options for humidifier system based on current condition and performance concerns. Noted condensation issues require monitoring and potential humidistat recalibration or replacement to prevent moistur

Completed annual Comfort Plan clean and check on single-system air conditioning unit and air scrubber per maintenance agreement. Performed comprehensive inspection of outdoor condenser unit with Genteq capacitor, verified all electrical connections and components, cleaned equipment, and confirmed proper system operation. Collected payment for Comfort Plan renewal.

Completed Comfort Plan clean and check maintenance on single HVAC system. Inspected and verified proper operation of Honeywell ProSeries programmable thermostat displaying 72° in cooling mode with WiFi connectivity functional. Confirmed 20x25x1 Filterbuy pleated air filter properly installed in return air system with clean condition noted. Collected annual plan renewal payment and documented system condition with photos per maintenance agreement requirements.

Conducted comprehensive rooftop inspection of multiple condensing units to assess electrical and mounting deficiencies. Documented deteriorated 30-year-old flexible electrical conduit whips and disconnect boxes that sustained wear during recent roof replacement project, requiring full replacement for all rooftop units. Identified numerous condensing units with inadequate support and improper mounting conditions resulting from equipment replacements over time. Photographed existing conditions including York-branded unit installations, corroded piping components, and missing equipment mounting pads. Recommended installation of plastic equipment pads where absent and correction of all mounting deficiencies to ensure proper equipment support and code compliance, with work scheduled for completion after cooling season.

Responded to water leak alert from Resideo sensor in attic indicating active leak detection. Upon inspection, identified leak source associated with humidifier system and related plumbing connections. Assessed mechanical equipment, PVC piping, and affected area; verified thermostat operation and system functionality following leak investigation.

Returned to address recurring leak from attic pipe on recently serviced HVAC unit. Previous day's service was interrupted due to power outage, preventing completion of work. Inspected dual condensing unit installation on exterior pad and indoor mechanical room containing furnace and water heater with associated ductwork and piping systems. Completed repair work on leaking attic pipe and verified all connections for proper operation.

# HVAC Maintenance - Comfort Plan Clean and Check Completed comprehensive clean and check maintenance service on two air conditioning systems per comfort plan agreement. Performed thorough inspection of both units including control boards, electrical connections, refrigerant lines, and condensate drain components. All wiring harnesses, terminals, and circuit boards were examined for proper operation and secure connections. Refrigerant lines inspected for wear and properly secured with mounting clips. Condensate drainage system evaluated for proper function. Both systems tested and confirmed operational. Service documentation captured for record keeping.

Completed comprehensive Comfort Plan clean and check service on two air conditioning systems. Performed standard maintenance procedures including system diagnostics, temperature measurements, and visual inspection of ductwork and components. All equipment found to be operating within normal parameters with no immediate repairs required.

Responded to a callback for an air conditioning system not producing cold air with diminished operational sounds during startup. Upon inspection of the existing furnace and AC system, determined that the recurring failure indicated potential compressor or refrigerant system degradation beyond economical repair. Provided comprehensive estimate for complete HVAC system replacement, including removal of existing equipment, new high-efficiency furnace and condensing unit installation, with proper venting and drainage modifications as needed.

Completed comprehensive clean and check maintenance service on single-zone HVAC system per comfort plan agreement. Performed thorough inspection and preventive maintenance on Lennox furnace unit located in interior utility closet and rooftop air conditioning condensing unit. Inspected all mechanical components, electrical connections, refrigerant lines, condensate drainage system, and gas line connections. Verified proper operation of both heating and cooling equipment, checked system controls and safety devices, cleaned accessible components, and confirmed all connections are secure and functioning within manufacturer specifications. System operating normally with no deficiencies noted at time of service completion.

Replaced defective Ecobee smart thermostat under manufacturer warranty. Removed failed unit from wall, disconnected wiring, and installed replacement thermostat. Completed initial setup and Wi-Fi configuration on new device, verifying proper display function and connectivity. Returned original defective unit to shop for warranty claim processing.

Completed spring preventative maintenance and clean and check service on air conditioning system per comfort plan agreement. Performed comprehensive system inspection including refrigerant pressure and temperature diagnostics using digital manifold gauges and multimeter to verify proper operating conditions and system performance. Measured supply and return air temperatures, confirmed appropriate temperature split across evaporator coil, and documented all readings to ensure unit is operating within manufacturer specifications for optimal cooling efficiency.