424-245-0710
424-245-0710

A to Z HVAC Repair Services

Fast, licensed HVAC solutions for Los Angeles and Ventura County.

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About A to Z Repair Services

At A to Z Repair Services, our mission is simple: deliver year-round comfort with honest diagnostics, clear options, and upfront pricing—no surprises. Whether your air conditioner quits on a summer afternoon or your furnace struggles on a cool evening, our trained technicians arrive on time, explain what’s happening in plain language, and get your system working the right way.

We service and install all major brands and handle everything from quick fixes to full system replacements. Our core services include AC and heater repair, preventive maintenance/tune-ups, new equipment installation, and complete HVAC replacement. We also specialize in heat pump and mini-split/ductless systems, smart thermostat setup, indoor air quality upgrades (high-efficiency filters, UV lights, air scrubbers), and duct repair and sealing. Every installation is permit-ready and backed by manufacturer warranties we register for you. After the job, we walk you through your new system, share maintenance tips, and remove old equipment—leaving your space clean.

a row of air conditioners sitting on top of a tiled floor
a row of air conditioners sitting on top of a tiled floor
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Our Commitment to You

Honest diagnostics. We explain the issue in plain language and recommend only what your home truly needs.

Quality parts & warranties. We use trusted brands for AC, furnace/heater, heat pump, and mini-split systems and register manufacturer warranties.

Local responsiveness. Fast scheduling across Los Angeles & Ventura Counties with same- or next-day availability whenever possible.

Transparent, upfront pricing. You’ll see clear options and costs before any work begins—no surprises.

Our Services

Expert HVAC solutions for your home in Ventura and surrounding areas.

Repair & Maintenance

Fast, reliable AC and furnace repair, replacement, and tune-ups for year-round comfort.

Ductless Systems

Specializing in mini-split systems for efficient heating and cooling tailored to your needs.

Enhance indoor air quality with our filters, UV systems, and air scrubbers for a healthier home.

Indoor Air Quality

Stay Comfortable Year-Round

Get updates on HVAC tips and specials!

Customer Reviews

See what our clients say about our services.

A to Z Repair Services provided quick and reliable HVAC repairs. Highly recommend their honest diagnostics and clear pricing!

John D.
A white outdoor air conditioning unit mounted on a wall with a large fan and electrical connections. The unit has a red label and is surrounded by a light grey and white color scheme on the building's wall.
A white outdoor air conditioning unit mounted on a wall with a large fan and electrical connections. The unit has a red label and is surrounded by a light grey and white color scheme on the building's wall.

West Hills

The team at A to Z Repair Services was professional and efficient. They fixed my AC on the same day, and I couldn't be happier with their service!

Three air conditioning units mounted on the exterior wall of a building, with a closed vent in the center. The wall is a warm, peach color and the units have a beige finish. A black cable runs vertically along the left side of the image.
Three air conditioning units mounted on the exterior wall of a building, with a closed vent in the center. The wall is a warm, peach color and the units have a beige finish. A black cable runs vertically along the left side of the image.
Sarah L.

Ojai

★★★★★
★★★★★
Services

Expert HVAC solutions for your comfort needs.

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1-424-245-0710

atozrepairservicesla@gmail.com