Heating & Cooling Services in Oak Park Seven Days a Week

Completed comprehensive maintenance on residential HVAC system including air conditioning unit and furnace for customer who recently moved into property. Performed standard tune-up procedures on both systems, documented equipment conditions with photographs showing indoor furnace installation with associated piping and controls, as well as outdoor condensing unit. Noted significant rust and corrosion on outdoor cylindrical component and weathering on concrete pad, with condensation present on indoor ductwork indicating system operation.

Completed comprehensive AC tune-up and preventative maintenance on two residential cooling systems: a 2-year-old American Standard unit and a 10-year-old Bryant unit. Performed standard maintenance procedures including filter inspection, refrigerant level verification, electrical connection testing, condensate drain clearing, and temperature differential measurements across both evaporator coils. All systems tested and confirmed operational with satisfactory cooling performance and proper thermostat function.

Completed no-charge return trip to address installation punch list items on attic-mounted air handler system. Installed wet switch in overflow pan and relocated hallway supply register by cutting new attic floor opening, ensuring structural integrity of joists and blocking remained intact, then secured pan to plywood flooring using folded cleats. Reconfigured ductwork by disconnecting two temporary bedroom supply runs and two future-use trunk connections, reconnecting proper bedroom circuits with additional 12' of supply tubing added to both bedroom runs and hallway run, with excess tubing coiled neatly behind equipment. Installed and wired A2L refrigerant coil sensor and control system. Corrected drain line pitch after trap to ensure proper condensate drainage. All duct alterations, connections, and penetrations were properly insulated and sealed with foil tape per code requirements, utilizing 36' of Unico supply tube, three supply couplings, and appropriate sealing materials.

Responded to no cooling call on 8-year-old residential air conditioning system. Upon arrival, performed initial diagnostic assessment of outdoor condenser unit and indoor thermostat operation. Verified thermostat settings on White-Rodgers programmable unit, confirming proper cooling mode selection and temperature setpoint. Inspected outdoor condenser unit positioned on concrete pad, noting general condition of equipment and surrounding area. Checked electrical connections, circuit breakers, and power supply to system. Evaluated air filter condition and airflow. Documented equipment information and captured photos of condenser unit and thermostat for service records. Discussed system performance concerns and provided diagnostic findings to homeowner.

Performed quality audit on recently installed HVAC system to address concerns regarding airflow velocity and noise levels from four new supply registers compared to existing ductwork. Inspected attic installation including flex duct runs, plenum connections, and distribution system layout. Evaluated system performance and identified that new supply runs are operating at full design capacity to maintain proper airflow across evaporator coil, which accounts for increased velocity compared to older, potentially restricted existing runs. Assessed need for potential damper installation or airflow balancing adjustments to reduce noise levels while maintaining adequate system performance and cooling capacity.

Conducted comprehensive assessment of existing HVAC system for full replacement estimate. Documented severely outdated equipment including furnace dating from the 1960s and air conditioning unit over 20 years old, both located in utility closet with water heater. Evaluated existing ductwork configuration, mechanical space constraints, and current system layout to develop replacement specifications and installation requirements.

Returned to site to replace defective TXV on high velocity air handler system and restore unit to operational status. Performed system diagnostics using digital gauges, confirming proper refrigerant pressures (296.2 PSIG high side, 111.1 PSIG low side), superheat, and subcooling values post-replacement. Addressed noise concerns by inspecting and optimizing system components, and provided two Unico duct couplings and two dampers for future ductwork expansion as requested.

Completed full replacement of whole-house Unico high velocity air conditioning system, removing existing 2.5 ton air handler from attic and 2.5 ton condenser from exterior. Installed new Green Series Unico small duct high velocity air handler in attic and new 2.5 ton American Standard 13 SEER2 condensing unit on plastic pad outside home. Connected equipment to existing electrical service and refrigerant lineset, then connected to existing supply trunk line. Replaced flexible return air duct and reworked existing electronic air cleaner into 1-inch filter grille. Installed five new 2-inch branch runs with outlets to meet manufacturer specifications for proper airflow distribution. Installed new programmable thermostat for system control and auxiliary drain pan with float switch for secondary condensate protection. Performed system startup, charged refrigerant to proper specifications, verified pressures and temperatures using manifold gauges, and tested all components for proper operatio

Responded to no-cooling call on residential HVAC system less than five years old. Upon arrival, performed visual inspection and diagnostic assessment of outdoor condensing unit. Removed access panel to examine electrical components and wiring connections. Found capacitor and associated wiring intact with proper connections secured by wire nuts. Identified significant deterioration and damage to condensate drain assembly, including cracked overflow safety switch housing with visible water damage and staining around the affected area. The broken drain pan fitting and compromised safety switch indicated previous water intrusion issues that likely triggered system shutdown as designed. Documented equipment condition through photography showing internal component layout, wiring configuration, damaged drain components, and surrounding corrosion. Explained findings to homeowner regarding the failed condensate management system and its impact on unit operation. Discussed repair options for rep

Completed on-site estimate for second floor Unico high-velocity air handler replacement. Performed detailed measurements of existing return air vent locations and clearances at ceiling level to assess system configuration and spatial requirements for new equipment installation. Documented existing HVAC infrastructure with photographic evidence to support replacement specifications and ensure proper sizing of new high-velocity system components.

Completed comprehensive clean and check maintenance on two air conditioning systems with two Unico air handlers serving the first and second floors. Performed electrical diagnostics using digital multimeter, recording voltage and capacitance readings to verify proper system operation. Both units found to be operating within normal parameters with all components functioning correctly.

Completed preventative maintenance clean and check on single HVAC system per comfort plan agreement. Performed comprehensive inspection of heating and cooling components, verified electrical measurements using clamp meter with readings of 333V and 75.3°F, inspected gas valve assembly and burner system, examined blower motor operation, and verified control board functionality. All system components found operating within normal parameters with no deficiencies noted.

Completed spring preventive maintenance on two-system HVAC installation per Comfort Plan agreement. Performed comprehensive clean and check procedures on both air conditioning units, including inspection of air filter which showed good condition with minimal debris accumulation. Verified proper airflow through ductwork system connected to Heil furnace unit. Documented equipment condition through photographic records showing clean filter media with intact cardboard frame and diamond cross-hatch pattern, along with overall system installation in basement mechanical room. All components operating within normal parameters with no immediate service needs identified.

Responded to no cooling complaint on residential air conditioning system. Upon arrival, performed diagnostic testing of outdoor unit electrical components including capacitor voltage readings with multimeter. Evaluated refrigerant charge using digital scale, which indicated system was 10.8 pounds low on refrigerant. Identified leak in system, performed necessary repairs, and recharged unit to manufacturer specifications to restore proper cooling operation.

Performed comprehensive clean and check maintenance on Bosch air conditioning system per Comfort Plan agreement. Inspected outdoor condensing unit including condenser coil, fan motor operation, and electrical components. Accessed control board and verified all electronic components, including toroidal inductors, capacitors, and digital display functioning properly at 8.8 reading. Checked all wire connections, terminal tightness, and control board indicators showing normal green and red LED status. Cleaned condenser coil, inspected fan blade assembly and grille guard, verified proper drainage, and confirmed refrigerant levels within manufacturer specifications. Unit operating efficiently with no deficiencies noted.

Replaced the existing flow control valve with a new air separator in the hydronic heating system and reconnected the existing expansion tank to the new component. Drained the system to facilitate the installation, installed all necessary fittings and connections, and refilled the system to restore proper operation. The new air separator is now functioning to remove entrained air from the circulating water, improving system efficiency and reducing potential noise issues.

Responded to service call for hydronic heating system with non-operational radiators identified during home inspection. Performed diagnostic evaluation of boiler and circulation system, including inspection of pressure gauge readings, zone valves, and circulator pump operation. Assessed system pressure, verified proper operation of ball valves and control components, examined piping connections and flex lines for integrity, and tested heating zones to restore functionality to radiator distribution system.

Conducted comprehensive site assessment for complete HVAC system replacement in 7,800 square foot commercial space. Evaluated existing dual-furnace heating system configuration located in basement mechanical room, including current ductwork infrastructure and electrical connections. Documented equipment specifications and spatial requirements for proposed furnace replacement and new central air conditioning installation throughout the building. Provided detailed estimate for full system upgrade to meet commercial heating and cooling demands.

Responded to no-cooling call on one-year-old AC system originally installed by our company. Performed diagnostic inspection in attic space, examining condensate drain system and evaporator coil assembly. Found evidence of moisture accumulation and oxidation on ductwork components, indicating potential drainage issues. Conducted thorough system assessment using diagnostic equipment to identify root cause of unit failure. Documented equipment condition with photos showing insulated ductwork, condensate chain assembly, and mechanical components. Completed warranty service inspection and collected continuation of labor time from previous CNC work performed earlier in the month.

Replaced failed condenser fan motor on second floor HVAC unit. Removed old motor assembly, installed new motor with fan blades and protective guard, and completed electrical connections. System tested and verified operational upon completion.