Heating & Cooling Services in Chicago, IL

Responded to warranty callback regarding reported noise from recently installed HVAC unit and concern about missing sensor. Performed thorough inspection of attic installation, verified all components present and properly installed including temperature sensors, ductwork connections, and damper assembly. Documented supply plenum temperature reading of 130.2°F indicating proper system operation. Inspected condensate drain assembly with float switch, confirmed proper drainage function and verified drain pan collecting condensation as designed. All installation components accounted for and functioning within manufacturer specifications, no missing parts identified.

Responded to service call for rooftop air conditioning unit not cooling adequately. Accessed rooftop equipment using ladder to reach units mounted above parapet wall. Performed diagnostic evaluation of AC system, including visual inspection of condensing unit, electrical components, and refrigerant lines. Documented equipment information and captured photos of HVAC installation for service records. Discussed preventive maintenance options and system performance expectations with customer.

Completed comprehensive tune-up and maintenance on single-system HVAC unit including both air conditioning condenser and air handler. Performed standard clean-and-check procedures on all components, inspected attic-mounted air handler and outdoor condensing unit, verified proper operation of both units, and documented existing conditions with photographic evidence. Customer declined optional filter replacement at time of service.

Completed spring maintenance clean and check on seven rooftop HVAC units as part of scheduled comfort plan service. Replaced multiple media filters throughout the system including various sizes: 16x20x1, 16x25x2, 20x20x2, and 20x25x2 filters. Inspected condenser coil fins, verified proper airflow, and documented equipment condition with photos showing clean coil surfaces and proper filter installation in ductwork.

Conducted new construction site inspection of HVAC installation and plumbing rough-in. Documented copper water supply lines with shut-off valves properly secured to ceiling joists, flexible aluminum ductwork with reflective insulation installed and routed through mechanical space. All systems photographed for quality control and project records, with installations appearing ready for next phase of construction pending final connections and testing.

Completed spring maintenance clean and check on residential air conditioning system and air scrubber unit per standard comfort plan protocol. Performed comprehensive inspection of outdoor condenser unit including coil cleaning, electrical connections verification, and refrigerant pressure assessment. Inspected interior components including contactor, capacitor, and wiring harness for proper operation and signs of wear. All electrical connections were found secure with proper wire routing and terminations. Capacitor tested within acceptable range and contactor operation verified. Air scrubber unit inspected and confirmed operational. System operating within manufacturer specifications with no deficiencies noted at time of service.

Responded to heating service call but unable to complete diagnostic due to boiler system being in warm weather shutdown mode caused by elevated outdoor temperatures. Verified thermostat displaying 73°F actual temperature with 76°F setpoint in heat mode, and documented supply air temperature reading of 90.4°F at evaporator coil location #407. Rescheduled return visit to test heating operation when outdoor conditions allow boiler system to operate normally.

Responded to no heat call on 16-year-old furnace failing to reach thermostat setpoint. Diagnosed faulty gas valve preventing proper heating operation. Documented existing electrical panel configuration serving third floor mechanical equipment including furnace circuit. Provided comprehensive estimate for complete furnace replacement system due to age of equipment and failed gas valve component.

Responded to service call for reported short-circuiting issue and continuously running fan. Upon arrival, inspected Honeywell ProSeries programmable thermostat and found system operational with proper display function showing 73°F in heating mode with fan set to auto. Verified air handler installation with active 5-year parts warranty (installed 2019) and condensing unit with 10-year parts warranty. Inspected air handler unit and confirmed pleated air filter installed and accessible, with evaporator coil and condensate drain lines in satisfactory condition.

# HVAC Service - Boiler Continued diagnostic work on boiler system per previous technician's assessment. Contacted manufacturer technical support to verify diagnosis of faulty control board as requested. Documented system conditions and equipment information with photographs for service records.

# Service Report: No Heat Call - Commercial HVAC Responded to no heat complaint at commercial property where customer reported waking up without heat overnight. Upon arrival, system was operational but producing minimal warm air output. Observed Honeywell ProSeries programmable thermostat displaying 75°F set point with actual room temperature reading of 70°F, with unit indicating "Heat On" and "Fan Auto" mode. Customer reported significant discrepancy between displayed temperature and actual comfort level in space. Conducted visual inspection of thermostat operation and documented current system status with photographs. Contacted office to initiate approval process through property management for diagnostic and repair work per established commercial property protocols.

Performed comprehensive maintenance on multiple HVAC systems under service contract plan, including two furnaces and one A/C unit. Inspected blower wheel assembly and internal electrical connections, documenting condition with photos. All systems were serviced according to manufacturer specifications and left in proper working order.

Inspected and documented the Callefi zone board date code as requested. Photographed the control panel installation showing circuit breakers, copper supply/return piping, and associated control components including a digital thermostat displaying 70°F.

Installed custom ductwork for multi-day HVAC commercial project, including wall stack material. Documented required components including 2-1/2" black pipe fittings (45° elbows, 90° elbows, and 18" nipples), brass shut-off valve, and heat pump connections per specifications. Will continue installation through completion date.

Responded to service call for recurring boiler lockout issue where temperature continues to rise. Diagnosed problem with Weil-McLain heating system control panel and inspected Wilo water circulation pumps. Previously replaced heat exchanger gasket during maintenance is functioning properly, but identified issue with modulation fan speed causing the temperature control problems.

Responded to service call for a leaking furnace that was installed by a previous contractor. Upon inspection of the beige unit with ventilation grille, identified corrosion on electrical connections and deterioration of internal components including mounting brackets and terminal points. Documented condition with photos and provided customer with replacement options.

Responded to warranty call for non-operational furnace. Upon inspection, found circuit board showing power with LED illuminated but not initiating heating sequence. Replaced defective control board, verified proper connections of all wiring harnesses, and confirmed system now operating correctly through multiple heating cycles.

Completed Comfort Plan Clean and Check on a single air handler system with electric heat and condenser located on balcony. Performed measurements of refrigerant lines to assess system condition. Customer expressed interest in heat pump conversion, which would require coordination with building management regarding elevator access for equipment replacement.

Completed installation of rectangular ductwork in commercial space per specifications, securing all sections with proper connections and labeling. Installed and wired control panel with proper terminal connections, including orange and black wiring to the primary sensor component marked "70L". All work performed according to building guidelines as marked on ceiling framework.

Diagnosed 28-year-old heating system failure and identified faulty control board causing insufficient heat output, with measured outlet temperature of 65.8°F. Replaced control board, reconnected all wiring harnesses according to manufacturer specifications, and verified proper system operation with improved heat output.