Keep Your Home Comfortable Year-Round
Trusted AC repair and heating solutions tailored for San Jose's unique climate.
Experience Comfort Built for Your Home
Professional AC repair in San Jose with modern installation practices and strong customer reviews
A-Z Techs Mechanical brings practical HVAC services to homes across San Jose, from tech-driven neighborhoods to historic districts. Whether you're dealing with a system breakdown or planning an upgrade, we're here to deliver cooling and heating solutions built for the South Bay's warm microclimates and diverse home styles.
You'll benefit from clear communication, modern equipment options, and technicians who understand the energy-efficiency priorities shaping how Bay Area residents choose and maintain their systems. Licensed and insured for local code requirements, we handle everything from routine maintenance to full replacements with attention to detail and steady coordination.
A-Z Techs Mechanical specializes in both standard installations and rare services like HVAC systems for Eichler Houses, one of the few companies in the region able to work on these unique mid-century modern structures. Whether your home features radiant floor heating or ductless configurations, you get the right fit and reliable follow-through.

Reach out today for HVAC services in San Jose that match your home's needs and your schedule.
AC Repair
Fast diagnostics and same-day solutions to restore cool air
when you need
it most.
Heater Repair
Reliable furnace and heating system repairs that keep your home warm through cooler months.
Eichler Houses HVAC Systems
Specialized service for mid-century modern homes with unique heating and cooling requirements.
Air Filtration Services
Improved
indoor air quality with advanced filtration designed for Bay Area homes.
Local Expertise You Can Count On
Licensed specialists serving the South Bay with reliable service and modern installations.
Comprehensive HVAC Solutions for Every Season
From emergency repairs to complete system replacements, A-Z Techs Mechanical offers the full range of heating and cooling services South Bay homeowners depend on. You get upfront assessments, modern installation methods, and service tailored to your home's layout and comfort goals.
We work with air conditioners, furnaces, ductless systems, thermostats, and air filtration equipment, coordinating timelines to minimize disruption and maximize performance. Every project is handled with careful attention to local energy standards and system compatibility.
Our services include the following:
- AC installation and replacement designed for long-term efficiency and comfort
- Heater installation and replacement matched to your home's heating demands
- AC repair, AC maintenance, and heater maintenance to extend system life and prevent breakdowns
- Thermostat services, mini splits, ductless systems, and air filtration for San Jose's mixed-style homes
Contact us to schedule HVAC services in San Jose and keep your system running smoothly.
Areas We Serve
List of Services
Why South Bay Homeowners Choose A-Z Techs Mechanical
A-Z Techs Mechanical serves all of the South Bay with a focus on the unique challenges of San Jose's housing stock, from radiant-heated Eichler homes to compact condos and sprawling suburban properties. Consistent service across a wide range of home styles means you get the right approach for your structure, not a one-size-fits-all solution.
You'll experience transparent pricing, owner oversight, and technicians who explain your options without pressure. Every installation follows documented scope and clear scheduling, so you know what to expect from start to finish.
Reach out to us now to arrange for AC repair services and more.