Expert Heating & AC Services in Arlington Heights, IL

# Service Summary Completed spring preventive maintenance inspection on commercial rooftop HVAC equipment including York condenser unit and cylindrical air conditioning unit. Performed comprehensive checklist evaluation, documented current equipment specifications and filter information, captured photographic documentation of all units and their operating conditions, and flagged necessary updates for filter list maintenance records.

# Service Summary Performed commercial HVAC preventive maintenance visit. Replaced failed dual-run capacitor (TITAN PRO TRCFD355, 35+5 MFD, 440/370 VAC) on outdoor condensing unit. Disconnected electrical connections, removed old capacitor showing signs of wear and deterioration, installed new capacitor, and reconnected all wiring to contactor and compressor terminals. Verified proper electrical connections and system operation upon completion.

# Service Report Completed spring preventive maintenance on commercial rooftop York air conditioning unit per contract service agreement checklist. Confirmed tenant availability prior to site access as required. Performed comprehensive inspection of condenser unit including visual assessment of cabinet condition, coil cleanliness, and overall equipment operation. Tested and documented electrical readings using digital multimeter, recording voltage at 347.1V to verify proper power supply. Inspected run capacitor condition and electrical connections at contactor assembly. Evaluated condenser coil for debris accumulation and airflow restrictions. Noted weathering and rust staining on rooftop equipment base and surrounding roof membrane. Documented equipment nameplate information and current filter specifications for maintenance records. Captured photographic documentation of equipment condition and service performed. Flagged equipment information updates for office records to ensure accu

Completed spring preventive maintenance on commercial HVAC unit per contract service agreement. Verified tenant availability prior to service, performed comprehensive checklist inspection including filter examination and replacement documentation (noted previous service date 3/25/22), and conducted electrical diagnostics using multimeter to test capacitor and verify proper voltage readings on contactor assembly. Updated equipment information and filter specifications for maintenance records, photographed system components for documentation purposes.

# Service Report Performed scheduled commercial preventive maintenance visit on outdoor HVAC condensing unit. Diagnosed failed contactor and capacitor during system inspection. Removed and replaced defective contactor with new component, ensuring proper electrical connections across all terminals. Installed new capacitor to restore proper compressor and fan motor operation. Verified all wire connections were secure and properly terminated. Tested system operation following repairs, confirming proper startup sequence and normal running amperage. Unit returned to full operational status. All work completed in accordance with manufacturer specifications and electrical code requirements.

# Service Report Completed scheduled commercial HVAC maintenance visit under prepaid service agreement. Diagnosed and replaced failed dual-run capacitor on outdoor condensing unit. Removed defective TITAN capacitor and installed new OEM-equivalent replacement with matching specifications. Verified proper electrical connections, tested compressor and condenser fan motor operation, and confirmed system returned to normal cooling function. Unit showed signs of age and weather exposure but is now operating within manufacturer specifications. Documentation photos captured for service records.

# Service Summary Completed spring preventive maintenance inspection on commercial rooftop Lennox HVAC unit per CSA agreement. Performed comprehensive checklist including electrical diagnostics with clamp meter showing 498S reading, capacitor inspection, and visual assessment of all system components. Updated equipment and filter information for maintenance records and documented system condition with photographs.

# Service Summary Completed spring preventive maintenance inspection on commercial rooftop York air conditioning unit per prepaid maintenance agreement. Confirmed tenant availability prior to service as instructed. Performed comprehensive checklist including electrical diagnostics using digital multimeter to verify proper voltage and capacitor function. Inspected condenser coil condition, verified unit operation, and documented current equipment specifications and filter requirements. Flagged necessary updates to filter list for office records.

# Service Report Completed commercial HVAC preventive maintenance visit under prepaid service agreement. Replaced five failed capacitors in rooftop unit, including TITAN PRO components, reconnected all electrical wiring with proper wire nuts, and verified secure mounting within equipment housing. System tested and operational upon completion, with all replaced components meeting manufacturer specifications.

# Service Report Completed spring commercial preventive maintenance inspection per contract service agreement checklist. Confirmed tenant availability prior to service as per protocol. Performed comprehensive system evaluation of outdoor HVAC unit including electrical diagnostics using clamp meter to verify amperage draw and capacitor performance. Measured compressor amp draw at 35.19 amps and tested capacitor reading of 4.936 MFD to ensure proper operation within manufacturer specifications. Documented current equipment information and filter specifications for maintenance records. Captured photographic documentation of electrical measurements and component conditions. Flagged any necessary updates to filter list for office records. Unit operating within normal parameters at time of service completion.

Performed diagnostic testing on commercial HVAC system and identified a severely damaged capacitor with burnt terminals and compromised housing. Successfully replaced the failed capacitor, which showed zero microfarad reading on Fieldpiece SC480 multimeter, and verified proper system operation after repair.

Completed spring commercial preventative maintenance service on rooftop HVAC unit and basement gas furnace per CSA agreement. Documented equipment specifications and filter requirements in service checklist, noting necessary updates to filter inventory. Performed visual inspection of condenser unit, verifying proper operation of fan and examining condition of cooling fins and connected components. All systems functioning within normal parameters.

Completed spring commercial preventative maintenance on two outdoor HVAC units. Inspected equipment, verified proper operation, and documented current equipment specifications. Updated filter information in system and noted required changes to filter list. All maintenance checklist items completed per commercial service agreement requirements.

Performed scheduled commercial preventative maintenance service on rooftop condensing unit and interior furnace system. Completed comprehensive checklist inspection of both units, verifying proper operation and airflow. Documented current equipment specifications and filter requirements for system database update.

Performed spring CNC maintenance on Ameristar heating unit. Inspected and replaced air filter with new fibrous synthetic filter. Documented equipment specifications and filter information, noting any necessary updates for the filter list.

Performed spring commercial maintenance on Ameristar furnace and outdoor condenser unit. Completed detailed system inspection per maintenance checklist, documented equipment and filter specifications for records update. Visually inspected electrical components in outdoor unit, noting some oxidation on junction box that should be monitored.

Performed diagnostic assessment on commercial HVAC system and identified faulty contactor requiring replacement. Inspected associated electrical components including transformer and capacitor connections to ensure proper operation. Successfully replaced contactor, reconnected all wiring according to manufacturer specifications, and verified system functionality with operational test.

Performed spring commercial maintenance service on rooftop York HVAC unit. Accessed electrical compartment for inspection of wiring, contactors, and capacitor. Completed required maintenance checklist and documented equipment specifications including filter information for system update.

Performed spring commercial CNC maintenance on vacant unit, accessed via lockbox (code 2424). Inspected furnace system and identified failing motor run capacitor (TITAN PRO TRCFD355 35+5MFD); replaced capacitor to restore proper operation. Completed maintenance checklist and documented current equipment specifications for filter list update.

Conducted spring commercial preventative maintenance on York rooftop unit. Accessed equipment via lockbox (code 2424), performed comprehensive inspection and service according to maintenance checklist, and documented equipment specifications for filter inventory update. Unit shows minor weathering but is operating within normal parameters.