Heating & Cooling Services in Chicago, IL

Responded to complaint of AC unit short cycling and inadequate cooling. Upon arrival, inspected York residential split system with rooftop condenser unit. Diagnosed faulty contactor causing intermittent operation and preventing compressor from maintaining steady run cycle. Replaced defective contactor, verified proper voltage and amperage draw, and tested system through complete cooling cycle. Unit now operating within manufacturer specifications with normal run times and proper temperature differential across evaporator coil.

Replaced failed 2-stage gas valve on Luxaire furnace. Disconnected electrical connections and gas supply lines, removed old valve assembly showing signs of corrosion, and installed new gas valve unit. Reconnected all wiring to proper terminals, restored gas supply connections, and verified proper operation of ignition sequence and flame control.

Responded to no cooling complaint on residential air conditioning system. Upon arrival, performed diagnostic testing on outdoor condensing unit. Visual inspection revealed aged equipment with significant debris accumulation on condenser coil surfaces affecting heat transfer efficiency. Conducted electrical diagnostics with multimeter on capacitor and associated components. Testing identified failed dual run capacitor preventing proper compressor and condenser fan motor operation. Removed defective capacitor and installed replacement unit with correct microfarad ratings. Verified proper electrical connections and terminal integrity. Cycled system through complete startup sequence and confirmed compressor engagement and condenser fan motor operation. Monitored amperage draw on both circuits to ensure operation within manufacturer specifications. System cooling properly and maintaining temperature setpoint at time of departure.

Completed annual air conditioning clean and check maintenance per comfort plan agreement on Bosch system. Performed comprehensive inspection of outdoor condensing unit and indoor air handler control board, verified all electrical connections and components operating within normal parameters, documented system condition with photos showing circuit board with proper LED indicators and clean outdoor unit with intact housing and protective guards.

Completed Silver Comfort Plan clean and check on one air conditioning system. Performed standard maintenance inspection with electrical diagnostics using clamp meter to verify proper amperage draw on compressor and blower motor, confirming system operation within manufacturer specifications. Customer declined water heater and humidifier service at this time.

Completed full system replacement including reclamation of existing refrigerant from old condenser, coil, and line-set, followed by disconnection and proper disposal of all existing equipment. Installed new Lennox 3-ton 13 SEER2 single-stage air conditioning condensing unit (Model ML13KC1-036-230) on new pad with pea gravel leveling, along with matching evaporator coil connected to existing copper refrigerant lines. Performed complete system evacuation to remove moisture and air, then charged with R410a refrigerant to manufacturer specifications. Installed RDS mitigation system as required. Conducted comprehensive start-up procedures, system testing, and safety inspection with all operating parameters verified within normal range, including pressure readings of 246.5 PSig low-side and 247.6 PSig high-side at 4.0°F.

Responded to warranty call for HVAC system installed in 2022. Located and identified leaking valve connected to furnace, performed necessary repairs to resolve water leak issue. Documented equipment condition and completed repair work to restore system to proper operating condition.

Completed Comfort Plan clean and check maintenance on 14-year-old residential air conditioning system. Performed comprehensive inspection of indoor furnace unit and outdoor condensing unit, including visual assessment of electrical connections, refrigerant lines, and ductwork. Measured electrical parameters using clamp meter to verify proper system operation and component performance within manufacturer specifications.

Completed comprehensive tune-up service on single AC/AH system. Inspected blower wheel assembly and verified proper operation, noting minor dust accumulation on squirrel cage fan blades. Performed electrical diagnostics using clamp meter to verify system amperage and proper voltage delivery to outdoor condensing unit. Inspected condenser coil condition, electrical connections, and wiring integrity at outdoor unit. All components operating within normal parameters upon completion of maintenance service.

Completed comprehensive Comfort Plan maintenance service on two HVAC systems. Performed clean and check procedures on both units, including inspection of blower motor assembly, gas valve components, electrical connections, and all associated wiring. Verified proper operation of furnace components, examined air filter dimensions (16x25x1), and documented temperature readings at 67.2°F. All systems found operating within normal parameters with no immediate service concerns identified.

Completed preventive maintenance tune-up on single-system rooftop EcoGuide air conditioning unit. Performed comprehensive electrical diagnostics using clamp meter, measuring amperage draws and verifying proper electrical operation of compressor and fan motor circuits. Inspected capacitor condition, refrigerant line connections, and overall system components. Unit operating within normal parameters; customer provided own filter for replacement. System checked and cleared for continued operation.

Responded to no-cool complaint on 15+ year old split system. Upon arrival, confirmed indoor blower operational and heating mode functional, but outdoor condensing unit failed to energize when thermostat called for cooling. Performed visual inspection of outdoor unit and found severely weathered equipment with significant corrosion on cabinet and mounting bracket. Removed electrical access panel and diagnosed failed dual-run capacitor with visible bulging and discoloration. Tested contactor operation and verified proper thermostat signal at low-voltage terminals. Replaced defective capacitor with appropriate microfarad-rated component, secured all electrical connections, and restored power to system. Cycled unit through complete cooling operation and confirmed compressor and condenser fan motor startup with normal amperage draw. System now cooling properly with adequate airflow and refrigerant pressures within manufacturer specifications.

Completed comprehensive clean and check service on air conditioning system and air handler unit. Performed thorough inspection of internal components including blower assembly, evaporator coil, electrical connections, and wiring harnesses. Tested capacitor functionality and verified electrical readings using digital clamp meter, confirming all values within normal operating parameters. All mechanical and electrical components found operating properly with no deficiencies noted.

Completed comprehensive tune-up on rooftop air conditioning system for new customer. Performed standard maintenance procedures including system diagnostics with multimeter, electrical component inspection of capacitor and contactor assembly, and installed new 12x20x1 air filter. All components tested within normal operating parameters and system returned to service.

Completed comprehensive tune-up service on HVAC system with air handler and condenser unit. Inspected and replaced heavily soiled air filter with custom-sized 14-1/2x17-1/2x1/2 filter as requested, which showed significant dust accumulation and uneven particulate loading across the filter media. Performed standard maintenance procedures including system performance evaluation, component inspection, and verification of proper airflow through return air filtration system.

Performed comprehensive tune-up and diagnostic evaluation on rooftop HVAC system serving single zone. Conducted electrical testing using digital multimeter, verifying capacitor operation and measuring voltage readings at evaporator coil assembly. Noted significant deterioration and corrosion on condenser coil with heavy oxidation throughout finned surfaces, which will impact system efficiency and heat transfer capability. Collected service fee and documented equipment condition with photographic evidence for customer records.

Completed comprehensive tune-up service on rooftop commercial HVAC system including air conditioning condenser unit and air handler. Performed standard maintenance protocol: inspected all mechanical components, checked refrigerant lines and connections, verified proper operation of condenser fan and motor, examined electrical connections and controls, tested system performance parameters, and replaced air filter. All equipment found operating within normal specifications with no deficiencies noted at time of service.

Completed comprehensive tune-up maintenance on single-system HVAC unit, including outdoor condensing unit and indoor air handler. Performed standard cleaning and inspection protocols, with customer declining filter replacement at time of service.

Conducted comprehensive assessment of existing HVAC and hydronic heating system for planned residential renovation project. Evaluated current basement mechanical room containing water heater, expansion tank, and complex piping network including copper, black insulated, and color-coded distribution lines with multiple valves and gauges. Documented existing two-tone painted mechanical space with overhead piping infrastructure and window access. Reviewed architectural plans specifying retention of select radiators while replacing others with baseboard units. Assessed feasibility of installing new combination hot water/boiler system in basement to serve primary heating zones. Evaluated existing R410A outdoor compressor unit for compatibility and potential reuse with planned Space-Pak high-velocity air conditioning system to be installed in attic location near current equipment. Confirmed separate inline water heater specification for two new attic bathroom additions independent of main hea

Completed comprehensive plumbing and HVAC system integration work at residential property. Piped 1/2" recirculation line into tankless water heater and connected to main recirculation line, replacing unistrut clamps with cushion clamps for proper support. Removed two temporary 1/2" ball valves previously installed for shower, capped cold line, and installed 1/4" compression x 1/2" compression angle stop on hot line for humidifier connection. Reworked condensate drain system for AC coil and humidifier to ensure proper drainage. Rerouted ERV flex lines to run over main hot and cold water lines, eliminating interference issues. Connected ERV 2-wire control wiring from energy recovery ventilator unit and ran to interface module location. Completed electrical wiring of interface module to control ERV and humidifier operation. Programmed thermostat to communicate with interface module for integrated system control. Programmed tankless water heater settings to properly operate recirculation p