Alliance Air Service: Trusted HVAC Repair Serving San Jose, CA 95124

Our maintenance service is designed to keep your system running reliably through San Jose's varying seasons. We perform a thorough inspection, clean critical components, check refrigerant levels, and test system controls and safety devices. This proactive approach helps prevent common local issues like blower motor strain from dust and ensures your thermostat maintains a stable connection, promoting efficiency and catching small problems before they lead to a breakdown.

A correct installation is crucial for performance and longevity. We begin with a detailed assessment of your home's layout, insulation, and existing ductwork to recommend a properly sized and efficient system. Our EPA-certified technicians handle the entire process, from removing old equipment to setting up the new system and ensuring all electrical and refrigerant connections meet current local codes. We provide a free, written estimate so you understand the project scope and investment upfront.

Absolutely. Thermostat connectivity problems and blower motor failures are frequent calls we receive from local homeowners. For thermostats, we diagnose wiring issues, power sources, or compatibility problems with your system. For blower motors, we check for electrical failures, worn components, or obstructions. Often, these issues stem from wear or electrical faults that our technicians can efficiently resolve, restoring comfort to your home without unnecessary delay.