Trusted HVAC and Plumbing Experts in Des Peres, MO

Responded to report of draft sound coming from furnace unit. Upon arrival, performed system diagnostic on residential HVAC unit located in side yard, less than 10 years old. Inspected Sensi digital thermostat showing 73°F ambient temperature with cooling mode set to 70°F and 70% humidity reading. Evaluated air filtration system and identified need for filter maintenance. Provided customer with replacement air filters and documented equipment condition through photographs. System operational at time of departure.

Completed comprehensive cooling tune-up service on two 10-year-old outdoor AC units located on side of property. Performed standard maintenance protocol including filter inspection, electrical testing with Fluke multimeter, and capacitor diagnostics on Titan TRCFD355 dual-run capacitor (35+5 MFD, 440/370VAC). Both systems operational and running within manufacturer specifications upon completion.

Responded to callback for 4-month-old system with recurring blown fuse and no cooling. Found Nest thermostat displaying E73 error code indicating no power to Rc wire. Investigated wiring issue at thermostat and traced power loss to HVAC unit. Documented equipment model 030126u and verified thermostat blank display as reported. Diagnosed underlying electrical fault causing repeated fuse failure that previous repair did not resolve. Advised customer to keep system off until permanent repair completed to prevent further component damage.

Responded to no cooling complaint on 4-month-old system with blank thermostat displays. Upon arrival, found Nest thermostats were not communicating with HVAC control board. Inspected main control board assembly and verified all wire terminations at board-level connector blocks were secure. Removed Nest thermostat from wall plate to examine back panel connections and confirm proper C-wire power supply configuration. Reinstalled thermostat, verified 24VAC power at terminals, and confirmed system restored normal operation with proper communication between thermostats and equipment. System tested in cooling mode with satisfactory performance.

Responded to no cooling complaint on residential system over 10 years old. Upon arrival, confirmed condenser fan motor not operating while compressor attempted to run. Diagnosed failed dual run capacitor showing zero microfarads on both common and fan terminals. Replaced defective capacitor with proper OEM replacement, verified correct wiring connections, and tested system operation. Unit now cooling properly with condenser fan and compressor running within normal parameters.

Responded to no cooling complaint on second floor unit. Upon inspection, discovered extensive ice buildup on evaporator coil, with surface temperature reading 38°F on measurement device. Identified restricted airflow as primary cause due to inadequate attic insulation coverage and distribution around air handler. Thawed frozen coil, verified proper refrigerant charge, and confirmed system operation restored. Recommended improved insulation installation to prevent future airflow restriction and maintain proper system performance.

Responded to customer complaint of loud noise coming from outdoor AC unit. Upon inspection, found condenser coil heavily contaminated with dirt, dust, and debris buildup restricting airflow and causing system strain. Performed thorough coil cleaning to remove accumulated contaminants from fin surfaces, restoring proper airflow through the condenser. Unit tested and operating normally with noise issue resolved.

Completed comprehensive cooling tune-up maintenance on four HVAC units ranging in age from 1 to 15 years. Inspected and serviced all systems including filter replacement, control board inspection, electrical connections verification, and standard preventative maintenance procedures on all four units to ensure optimal performance for the cooling season.

Completed preventive maintenance tune-up on a 10-year-old residential air conditioning system located at side of home. Performed comprehensive inspection of air handler unit in basement, including blower assembly, evaporator coil, electrical connections, and control boards. Verified proper operation of all safety switches and warning labels. Documented existing condition of unit showing age-appropriate wear, minor rust staining on blower housing, and organized wiring to circuit boards. System operational and ready for cooling season.

Responded to outdoor unit high pressure switch lockout on Lennox system displaying Alarm ID 413. Diagnosed issue per thermostat service alert indicating OU high pressure switch strikes lockout. Completed diagnostic evaluation and contacted office for further instructions as requested before proceeding with repairs.

Completed preventive maintenance tune-up on a single heat pump/air conditioner unit, model CAPTA802X25AA, located in the side yard. Performed comprehensive system inspection including cleaning of air return grille, verification of refrigerant levels, and assessment of all operational components. Unit is 0-5 years old and confirmed to be functioning properly with all safety labels and manufacturer specifications intact.

Completed air conditioning tune-up service on single outdoor condensing unit. Performed standard maintenance inspection including checking refrigerant levels, electrical connections, and overall system operation. Verified air filter condition, which appeared clean with proper airflow, and confirmed unit is operating within normal parameters.

Installed new double pole breaker in electrical panel to restore proper circuit protection. Breaker was sourced from supply house and successfully integrated into existing panel configuration. Old defective breaker was removed and discarded upon completion of installation.

Responded to no cooling complaint on 21-year-old outdoor HVAC unit. Upon arrival, found unit was shut off at the electrical panel as previously advised. Inspected main electrical distribution panel and verified proper breaker configuration and connections. Documented electrical panel condition showing multiple circuits with standard residential wiring and various amperage breakers serving the system.

Responded to commercial facility for reported clogged urinal in restroom. Upon arrival, inspected wall-mounted porcelain urinal and chrome flush valve assembly. Diagnosed blockage in urinal drain line causing improper drainage. Utilized drain auger to clear obstruction from urinal trap and waste line. Tested flush valve operation and verified proper water flow and drainage after clearing blockage. Urinal restored to full working condition with no further drainage issues observed.

Responded to no-cooling call on 10+ year old outdoor unit where indoor fan was operating but compressor would not engage. Upon inspection, found severely deteriorated line set insulation with heavy frost accumulation indicating refrigerant flow issues and possible low charge condition. Examined electrical components and capacitor connections, noting dusty conditions consistent with unit age. Advised customer to keep system off to prevent compressor damage and provided diagnostic findings with repair recommendations for capacitor replacement and refrigerant system service.

Responded to no cooling complaint on dual-unit residential system with units over 10 years old located in side yard. Upon arrival, found outdoor unit with corroded service valves and refrigerant lines showing signs of age and weathering. Performed diagnostic evaluation of system blowing warm air, documented equipment condition with photographs showing deteriorated valve assembly with discolored caps and corroded connection points on concrete pad installation.

Responded to warranty callback for 15-year-old Lennox AC system serving space over garage with no cooling approximately one week following capacitor replacement by our company. Upon arrival, performed comprehensive system diagnostics including visual inspection of outdoor condensing unit and indoor air handler components. Verified all electrical connections at capacitor, contactor, and compressor terminals for proper seating and integrity. Tested voltage and amperage readings at compressor and condenser fan motor to confirm proper operation. Inspected refrigerant line connections for leaks or damage. Checked thermostat operation and verified proper communication between indoor and outdoor units. Examined blower motor assembly and associated wiring harness for any loose connections or damage that may have occurred during previous service visit. System tested and cycled multiple times to ensure reliable operation and proper cooling output restored to affected zone.

Responded to service call for flickering lights in dining room. Upon inspection, identified loose wire connections at the electrical panel affecting the dining room circuit. Tightened all wire terminations at the breaker and verified proper seating of the circuit breaker. Tested all connections for secure contact, confirmed voltage stability, and verified the dining room lighting operates without flickering. Panel inspection revealed multiple circuits in serviceable condition with no immediate safety concerns.

Responded to no cooling complaint requiring senior technician diagnostic. Upon arrival, found system had been previously serviced by two other technicians with ongoing issues. Performed comprehensive diagnostic of refrigerant restriction in R410A system containing approximately 16 pounds of refrigerant. Noted significant debris accumulation including leaves and organic material within air handler compartment and around outdoor condenser coil. Observed oxidation on copper refrigerant lines and filter drier component. Utilized diagnostic gauges to assess system pressures and confirm restriction in refrigerant circuit. Determined large recovery tank required for proper refrigerant recovery and system repair. Documented equipment condition with photos showing debris-laden evaporator coil, discolored copper piping, and contaminated outdoor unit. Recommended thorough system cleaning, refrigerant recovery, restriction repair, and component replacement as needed to restore proper cooling opera