Heating & Cooling Services in Chicago, IL

Responded to service call for boiler system evaluation. Upon inspection, identified that the hydronic heating system requires an air separator to properly remove entrained air from the circulating water. Accessed the boiler compartment through the wall panel to assess the existing piping configuration and confirm compatibility for air separator installation. Documented current system conditions with photographs showing radiator locations and boiler access point. Discussed findings with customer and provided recommendations for installing the necessary air separator component to improve system efficiency and eliminate air-related circulation issues.

Completed comprehensive clean and check maintenance on single HVAC system per comfort plan agreement, including furnace inspection with full operational testing and safety verification of all internal components and control boards. Performed tankless water heater maintenance and humidifier system inspection, documenting equipment condition with temperature readings and visual documentation of all serviced units.

# HVAC Maintenance - Comfort Plan Clean and Check 2 System Performed comprehensive clean and check maintenance on multiple HVAC systems including air conditioning unit with air handler, boiler, and water heater as requested under the Comfort Plan agreement. Conducted thorough inspection of attic-installed air handler system, measuring supply air temperature at 55.4°F at the ductwork, confirming proper cooling operation and refrigerant charge. Inspected flexible and metal ductwork for leaks, proper insulation, and secure connections in the attic space. Evaluated return air temperature at 87.1°F at the air handler location, verifying appropriate temperature split of approximately 32°F across the evaporator coil, indicating optimal system performance. Inspected air handler cabinet, blower assembly, evaporator coil, and condensate drain system for proper operation. Verified all electrical connections, tested capacitors, and confirmed proper airflow throughout the system. Performed compl

Technician arrived on site and accessed the property through the garage as instructed. Successfully installed a new Nest smart thermostat on the wall, replacing the existing unit. Verified proper communication between the thermostat and the HVAC air handler unit located in the mechanical closet. Thermostat is displaying correctly at 72°F setpoint with 74°F ambient temperature reading, confirming proper system operation and wireless connectivity.

Completed annual Comfort Plan maintenance on single heating system including furnace, humidifier, and water heater inspection. Performed comprehensive clean and check procedures on all equipment. Conducted combustion safety testing with carbon monoxide monitor, recording ambient CO levels at 17 ppm. Inspected ICON System water heater, verified proper operation of temperature controls, pilot light assembly, and all safety mechanisms. All equipment found operating within normal parameters. Processed Comfort Plan renewal for continued coverage.

Returned to heating system installation to correct feeder valve orientation, which had been installed upside down. Installed threaded ball valve to the left of the feeder for improved system control and maintenance access. Added 2" PVC discharge pipe from expansion tank to floor level to ensure proper condensate drainage and prevent potential water damage to basement area.

Completed full hydronic heating system replacement in basement mechanical room. Drained down, disconnected, and removed existing hydronic boiler. Installed new Peerless Mi-X-06 175,000 BTU cast iron boiler in same location and connected to existing supply and return water piping with necessary transitions. Connected unit to existing gas lines with new gas shut-off valve and existing electrical circuit. Installed new circulator pump with isolation ball valves before and after pump for service access. Provided and installed new expansion tank, air separator with automatic air vent, and fill/backflow valve with isolation ball valves. Added ball valves on supply and return lines for system isolation capability. Installed new flue pipe and connected to existing chimney exhaust system. Mounted new Honeywell T4 thermostat and configured as non-programmable per specifications. Filled hydronic system, purged air from all zones, and performed complete start-up procedures. Tested and adjusted a

Performed comprehensive maintenance service on residential HVAC system including furnace, air conditioning unit, and humidifier as part of comfort plan enrollment. Addressed reported high-pitched squeal occurring during furnace heating cycle and diagnosed non-functional humidity thermostat that was preventing proper humidity level maintenance during heating season. Completed full system inspection, cleaning, and diagnostics on all components to ensure optimal performance and identify necessary repairs.

Responded to no cooling complaint on residential air conditioning system. Upon arrival, performed diagnostic inspection of outdoor condensing unit. Inspected electrical components including capacitor, contactor, and associated wiring connections. Documented equipment condition with photographs showing interior electrical assembly, wiring harness, and capacitor mounting. Verified proper wire connections at contactor terminals with multiple conductor leads present. Assessed capacitor condition and mounting integrity on control panel. Inspected flexible conduit routing and metal pipe fittings for proper installation. System components showed normal operational dust accumulation consistent with regular use.

Completed comprehensive clean and check maintenance on furnace and humidifier system per comfort plan agreement. Inspected and serviced all major components including burner assembly, pressure switches, electrical connections, and ductwork. Removed and evaluated air filters which showed moderate dust accumulation, confirming proper filtration operation. All safety controls, wiring connections, and mechanical components tested and found operating within manufacturer specifications.

Completed scheduled commercial HVAC maintenance agreement service on rooftop unit 3950. Replaced air filters, cleaned and checked all components per comprehensive care plan protocol. All systems operating within normal parameters upon completion of preventative maintenance inspection.

Completed Comfort Plan clean and check maintenance on boiler and water heater system. Performed comprehensive inspection of heating equipment, including examination of burner assembly, electrical connections, and safety controls. During inspection, documented significant corrosion present on burner relay component and surrounding electrical panel, as well as rust accumulation on mounting hardware and metal surfaces, indicating exposure to moisture or humid conditions over extended period. Verified all wire connections, tested control operations, and assessed copper piping and valve components for proper function. System operational at time of service completion.

Completed comprehensive furnace clean and check maintenance per comfort plan agreement. Performed thorough inspection of blower assembly and motor components, verified proper operation of gas valve and ignition system, and documented equipment condition with photographic records. All components found operating within normal parameters with routine dust accumulation noted and system confirmed ready for heating season.

Completed comprehensive fall clean and check maintenance on two furnace systems, two humidifiers, and one tankless water heater per comfort plan agreement. Performed thorough inspection of HVAC equipment including air handler components, verified proper operation of all systems, and conducted carbon monoxide safety testing with readings at safe levels (15 ppm). All equipment found operating within normal parameters with no immediate service concerns identified.

Completed comprehensive clean and check maintenance service on heat pump system as part of Comfort Plan agreement. Performed electrical diagnostics using digital multimeter to verify proper voltage and amperage readings across control circuits and thermostat connections. All system components inspected, electrical connections secured, and unit tested for proper operation with satisfactory results.

Completed clean and check maintenance service on three heat pump systems as part of comfort plan group buy package. Performed comprehensive inspection, cleaning, and testing procedures on all units, documenting temperature readings and system conditions with photographic evidence showing heavily soiled air filtration components requiring attention and supply air temperature measurements of 75.5°F during operational testing.

Performed routine maintenance on commercial HVAC system in elevator room, inspecting wall-mounted unit and verifying thermostat was properly set to auto mode at 60 degrees. Checked and assessed air filters, which were accessible and in serviceable condition. Noted CO exhaust fans are currently undergoing electrical rewiring and will require follow-up inspection once work is completed.

Responded to commercial facility for gas leak on Boiler #4. Located leak at corroded tee fitting on gas supply line. Repaired threaded connection, pressure tested system to verify leak elimination, and restored boiler to safe operating condition. Collected payment for previously invoiced work.

Diagnosed faulty gas valve on Boiler #3 and ordered replacement part through ILLCO with 3-5 day lead time. Recommended keeping boilers off until repair completion to prevent overnight heating cycles and potential overheating issues. Documented existing equipment condition including corroded piping, aged insulation, and burner assembly components for reference upon part arrival and installation.

Replaced defective WiFi wet switch on HVAC system with temporary alternative safety device (condensate overflow switch) to restore proper operation and prevent water damage. System tested and verified functional with all electrical connections secured and operational.