AC, Furnace & Plumbing Services in St. Charles, MO

Performed preventative maintenance on a 6-year-old Lennox furnace located in basement. Inspected system components, ductwork, and associated copper piping for proper operation. Verified Honeywell thermostat functionality, confirming proper temperature display (70°F) and heating mode operation.

Completed replacement of defective damper in HVAC system as scheduled from previous service visit. Removed old component, installed new damper delivered by supplier, and confirmed proper system operation in both heating and cooling modes. Properly disposed of old parts per service protocol.

Performed comprehensive tune-up service on a 15-year-old outdoor ground-mounted A/C unit. Inspected and cleaned air filtration system, noting proper installation of filter with minimal debris accumulation. System is functioning within normal parameters after service completion.

Responded to urgent thermostat alert on a furnace unit less than one year old. Performed diagnostic inspection of the system, including examination of PVC ventilation pipes, condensation drainage, and electrical connections. Verified proper operation of all components and confirmed the thermostat alert was resolved.

Responded to recall for furnace blowing cold air. Conducted visual inspection of heat exchanger which revealed no visible cracks or damage. Confirmed proper combustion operation and restored normal heating function.

Responded to no heat call for 10+ year old basement unit. Diagnosed significant blockage in ventilation system where animal nesting materials (twigs, dried grass, debris) had completely obstructed the exhaust collar. Removed and cleared all nesting materials to restore proper airflow and system operation.

Responded to service call-back for no heat issue on a 10+ year old furnace in basement. Diagnosed pressure switch fault causing system failure. Inspected and replaced faulty pressure switch assembly, ensuring proper connection of wiring and vacuum tubing. System now operating correctly and heating effectively.

Responded to no-cooling complaint on 10+ year old residential AC unit. Diagnostic inspection revealed severely corroded and burnt terminals on the motor run capacitor. Replaced failed capacitor, restoring proper system operation and cooling function.

Completed complimentary electrical home audit, inspecting main service panel and exterior meter installation. Panel inspection revealed properly labeled circuit breakers with manufacturer documentation intact. Exterior evaluation showed standard service entrance configuration with digital meter and associated junction boxes mounted to vinyl siding. No immediate safety concerns identified.

Responded to no cooling complaint at unit #10. Inspection revealed mineral buildup on condensate drain line and float valve mechanism. Cleared blockage, cleaned connections, and restored proper drainage to resolve cooling issue. System tested and functioning properly upon completion.

Responded to no cool call for a 4-year-old unit. Upon inspection, discovered electrical wiring issues in wall cavity requiring access to exposed wiring and connections. Repaired faulty connections with wire nuts, securing loose wiring to appropriate brackets, and verified proper system operation after repairs were completed.

Successfully installed a Model 600M humidifier system in the mechanical room, connecting it to the existing copper water supply line with appropriate shut-off valve. System was properly integrated with the HVAC ductwork, tested for proper operation, and verified for no leaks in the water supply connections.

Responded to customer concern regarding increased electrical bills potentially related to furnace operation. Performed diagnostic testing using Fluke 902FC clamp meter, which recorded 2.8 Amps AC current draw on the 3-year-old basement furnace. Measurements confirmed unit is operating within normal electrical parameters, ruling out the furnace as source of increased electrical consumption.

Performed complimentary inspection of residential electrical service entrance as part of membership promotion. Examined utility meter installation (Gridstream RF, Focus AXRe-SD) and surrounding electrical infrastructure. Visual inspection revealed standard Ameren meter setup with proper mounting on brick exterior wall, with associated service panel and conduits in serviceable condition.

Conducted a free electrical inspection of the main service panel, examining the breaker arrangement, wiring connections, and overall installation integrity. Panel inspection revealed multiple circuits with appropriate wire routing through the upper joists, though noted dense wire bundling that may benefit from improved organization. All breakers appeared properly sized and installed with no signs of overheating or damage observed during the comprehensive safety evaluation.

Replaced defective RDS board on Lennox system as part of follow-up service. Rerouted high voltage wiring to improve safety and relocated water safety switch to proper position. Retained original parts for warranty purposes and documented installation with photos of equipment area and internal components.

Responded to customer complaint of cold air blowing from furnace. Conducted thorough inspection of 8-year-old basement unit and associated ductwork system, which includes an Envirac air purifier attachment. Resolved issue by cleaning components and adjusting airflow settings to restore proper heating function.

Responded to callback for a newly installed HVAC system with multiple issues. Located and replaced faulty wiring harness connector in the air handler that was causing breaker trips. Relocated the Lennox condensing unit that was improperly positioned blocking garage access, and verified proper operation of the furnace heating cycle which was previously only delivering cool air.

Responded to a commercial basement flooding emergency. Excavated and exposed main drainage line to address blockage causing backup. Inspected HVAC system for potential water damage, with particular attention to electrical components and connections that may have been compromised by flooding.

Responded to service call for thermostat displaying "Alert Code: 28 - Not Heating When Requested" error and indicating low secondary 24VAC voltage. Diagnostic testing confirmed voltage issue with transformer. Replaced faulty transformer and verified proper system operation with the Lennox thermostat now functioning normally.