HVAC & Plumbing Services in Lincolnwood, IL

Performed seasonal heating maintenance on one furnace and two rooftop units (RTUs), using a 40-ft ladder for rooftop access. Inspected the furnace cabinet, ductwork, and heat exchanger tubes and found no visible rust, frost, or damage. The customer declined to reschedule.

Performed maintenance on one gas furnace, including cleaning and inspection of the blower assembly and verification of operating pressures with a digital dual-port manometer. The blower wheel was cleaned of dust and residue and found free of damage, rust, or corrosion, and the unit was returned to normal operation.

Performed an on-site assessment for replacement of an existing A.O. Smith copper-tube boiler, with easy access to the mechanical area. Documented the existing equipment, flue/vent piping, and mixed galvanized, black iron, and copper supply/return piping, including isolation valves, unions, and circulator components, and took clearance measurements to verify fit for the new unit. Piping and flue showed minor surface wear and discoloration but no significant corrosion, and the estimate was prepared for the boiler replacement.

Completed scheduled maintenance agreement inspection on commercial boiler system. Documented existing motor assembly and associated components, including flexible gas lines, electrical connections, and ductwork assembly for maintenance records. All system components were photographed to establish baseline condition for future service reference.

Completed comprehensive maintenance agreement service on furnace, humidifier, and water heater system. Performed thorough inspection of Aprilaire humidifier unit integrated within HVAC ductwork, verifying proper operation and connections of water supply lines including copper and PVC piping. Documented temperature readings of 115.3°F at water heater using calibrated digital thermometer, confirming proper heating performance. Inspected all accessible components, ductwork insulation, and mechanical connections to ensure system integrity and compliance with maintenance agreement parameters.

Completed rooftop unit replacement due to cracked heat exchanger identified during inspection. Removed existing failed RTU and installed new commercial package unit on flat membrane roof, ensuring proper mounting, electrical connections, and conduit routing. Unit tested and operational with all safety controls verified.

Completed comprehensive fall maintenance on 5 furnaces, 13 rooftop units, and 1 garage heater per annual agreement. Replaced 9 belts including AX38, AX40, AX43, BX66, AX49, and #35PAD sizes, and left 9 additional belts on-site for emergency use. Changed filters throughout facility: 12 units of 16x25x2, 3 units of 16x16x2, 1 unit of 24x24x2, and 2 units of 410 size. Performed visual inspections and documented equipment condition with photos, noting significant corrosion and rust on metal components requiring monitoring. Used borescope inspection camera to assess internal components and hard-to-reach areas of HVAC systems. All units operational upon completion of preventive maintenance service.

Completed comprehensive site survey and system documentation for multi-building commercial property. Performed detailed walkthrough of HVAC equipment across two buildings, photographed and cataloged all heating and cooling systems, documented thermostat locations, and recorded equipment specifications and model information for maintenance program enrollment. Utilized 28' ladder to access rooftop and elevated mechanical equipment for complete system assessment.

Completed full HVAC system replacement including furnace, condenser unit, evaporator coil, and thermostat. Performed system commissioning and verified proper operation with diagnostic readings showing 115°F and appropriate humidity levels at the outdoor unit. New wall-mounted thermostat installed and programmed for optimal system performance.

Conducted comprehensive site survey of commercial facility to document all HVAC equipment and components. Identified and photographed all units, recorded model and serial numbers, documented filter sizes, and cataloged thermostat locations and types throughout the space. Survey included exposed ductwork system in industrial-style ceiling area and digital thermostat set at 72 degrees with programmable features.

Returned to property to complete installation of new sump pump, ejector pump, and battery backup system in basement utility area. Removed existing failed pumps from concrete sump pit and ejector basin, which showed significant age-related deterioration and water staining. Installed replacement submersible pumps with appropriate discharge piping connections using PVC fittings and brass components. Configured battery backup system to ensure continued operation during power outages. Tested all pump operations, float switches, and discharge flow to verify proper functionality. System is now operational and providing reliable water removal and sewage ejection capabilities.

Provided comprehensive estimate for complete HVAC system replacement including both air conditioning and furnace units, both approximately 30+ years old and at end of service life. Assessed existing basement mechanical room installation with aging brown furnace and outdoor condenser unit positioned in side passage between buildings. Documented current system configuration including ductwork, electrical connections, and condensate drainage for replacement specifications.

Responded to service call for iced-up evaporator coil on WeatherMaker HVAC system. Upon inspection, confirmed ice buildup on coil and performed defrost procedure. Diagnosed root cause of icing condition and restored system to proper operation. Customer expressed interest in preventative maintenance program enrollment. Documented equipment condition with photographs showing both legacy cast iron boiler and current WeatherMaker furnace installation in basement mechanical room.

Responded to emergency service call where fire department had disconnected backup battery system due to elevated carbon monoxide levels detected in the area. Conducted thorough inspection of SUN 2500 backup power system and associated Worldwide brand batteries to assess system integrity and identify potential sources of CO concern. Verified all electrical connections, battery terminals, and ventilation conditions were properly maintained, and documented current state of equipment for safety clearance and system restoration.

Responded to no heat call and discovered multiple gas line leaks in utility room near water heater and throughout mechanical space. Coordinated with Nicor Gas who confirmed active gas leaks on black iron piping system. For safety, gas service was immediately shut off at the meter to prevent potential hazards until proper repairs can be completed by licensed gas fitter.

Completed full air conditioning system replacement including outdoor condensing unit and indoor evaporator coil. Installed new condenser on existing concrete pad with proper clearances, connected refrigerant lines, and verified electrical connections. Replaced indoor A-coil in existing ductwork, ensuring proper airflow integration with furnace system. Evacuated and charged system to manufacturer specifications, tested all safety controls, and confirmed proper operation and cooling performance.

Performed estimate for complete replacement of two residential HVAC systems, both over 10 years old with one unit experiencing compressor failure. Assessed exterior ground-level unit with straightforward accessibility and second unit located in crawlspace, documented existing equipment conditions and site access requirements for full system changeout.

Responded to no cooling call on aging air conditioning system. Upon inspection, accessed ductwork through wall opening to diagnose airflow restrictions and verify proper system operation. Measured and documented access point dimensions for potential future service requirements.

Responded to service call for Honeywell thermostat displaying system as running but not activating Carrier HVAC units. Inspected control board wiring and thermostat connections at terminal strip, verified proper wire terminations for heating and cooling circuits, and confirmed control board functionality. System restored to normal operation with thermostat properly communicating with HVAC equipment.

Performed commercial preventive maintenance agreement service on rooftop unit requiring 15-20' ladder access. Completed inspection of RTU cooling system components including compressor, refrigerant lines, and condenser coils. Installed pleated filters per special customer request specifications. Documented equipment condition with temperature readings and visual inspection of internal components showing moderate dust accumulation on ductwork and surfaces. Verified compressor operation, checked refrigerant line connections, and inspected copper coil assemblies and condenser fins. Unit operating within normal parameters upon completion of maintenance service.