AC and Heating Service and Installation Livermore, CA

Completed annual AC tune-up on a Daikin DX20VC. Measured superheat and subcooling values, calibrated TXV, and tested the ECM blower for proper RPM settings. System is cooling efficiently for the season.

Installed a new high-efficiency central air system, including a variable-speed condenser and matching air handler. Upgraded the thermostat to a smart, Wi-Fi-compatible model. Verified balanced airflow and refrigerant pressures per specs.

Replaced a 12-year-old split-system AC unit with a modern high-efficiency system. Removed old refrigerant per EPA standards, installed new line set insulation, and performed airflow balancing post-installation.

Installed a new residential AC system rated for 16 SEER2. Upgraded the electrical disconnect and added a new UV light system for improved indoor air quality. Final commissioning completed with proper refrigerant charge.

Completed a full system replacement including condenser, coil, and air handler. Installed vibration pads, corrected duct sizing to improve static pressure, and ran full diagnostic cycle to ensure efficiency.

Installed a new central AC system sized for a 2,000 sq. ft. home. Verified Manual J load calculations prior to installation and tested airflow to confirm even temperature distribution throughout all zones.

Removed and replaced an aging AC system with a new energy-efficient unit. Sealed all duct connections using mastic to improve static pressure and reduce air leakage. Final test showed improved airflow and quieter operation.

Serviced a Mitsubishi mini-split system. Cleaned indoor coil and filters, tested inverter compressor amperage draw, and confirmed refrigerant levels. System is operating quietly and cooling effectively for the season.

Repaired a Goodman central AC system with a seized condenser fan motor. Replaced the motor and capacitor, then verified motor RPM and condenser coil airflow. System resumed normal cooling operation.

Performed preventive maintenance on a Trane XV18. Inspected electrical components, cleaned both indoor and outdoor coils, and measured system pressures under load. System is operating at manufacturer-recommended performance levels.

Serviced a Ruud RA1742AJ1NA. Flushed the condensate line, inspected system insulation, and measured delta T at 18°F—well within cooling standards. Customer is ready for the warmer months ahead.

Performed heat pump maintenance for a homeowner in Livermore, CA, including cleaning the coils, inspecting electrical connections, and testing system performance. Also repaired an unresponsive thermostat by replacing a faulty wiring connection. Ensured accurate temperature control and restored efficient operation, providing reliable heating and cooling for the home year-round.

Replaced an American Standard Silver 14 AC unit. Disconnected and removed the old unit, ensuring safe disposal according to EPA guidelines. Installed the new condenser and air handler, verifying proper placement and secure mounting. Connected the refrigerant lines, electrical wiring, and drain line, ensuring all connections were airtight and secure. Charged the system with R-410A refrigerant to the manufacturer’s specifications. Calibrated the thermostat and checked system pressures, superheat, and subcooling values. Tested the unit for efficient cooling performance and verified all components functioned correctly, ensuring reliable operation and improved energy efficiency for the homeowner.

Repaired a Carrier Infinity AC unit that was not cooling. Diagnosed a refrigerant leak in the evaporator coil and a faulty capacitor. Repaired the leak, recharged the system with R-410A refrigerant, and replaced the capacitor. Verified system pressures and tested for proper cooling performance. The unit is now operating efficiently.

Spring ac check up on 2 Goodman units.

Furnace Repair - Contacted to diagnose issues a homeowner was having with their furnace. Inspected the system and discovered the underlying issue to be with a malfunctioning flame sensor on the system. Replaced the flame sensor to remedy the issue for the customer.

Furnace repair.

Fall furnace maintenance on a Lennox system.

New Goodman Ac installed.

Seasonal air conditioning maintenance on Goodman equipment in Livermore