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AC Repair & Maintenance Services in Altadena

Get Back to Cool with Fast, Friendly Service

If your AC stopped working altogether or just isn’t cooling like it used to, Ace Pelizon is here to help. We’ve been repairing and maintaining air conditioners in Altadena since 1957.

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Hear From Your Neighbors!

Bioseh Ogbechie
Great company! Very responsive and knowledgeable. Highly recommend them.
Al
Christopher Lo
I had an issue with my water filtration system and wasn't able to get my usual plumber to complete the repairs. Scheduling was easy especially after hours and got a technician scheduled the next day. Albert was friendly and got to work right away. I was very satisfied with the repairs and was able to get the costs down to where I was comfortable with.
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Why Choose Ace Pelizon?

  • Wrench
    Over 65 Years of Service
    We’ve helped Altadena homeowners stay cool for over six decades, and we’re not slowing down.
  • User
    We’re Your Neighbors
    Our team lives and works in the San Gabriel Valley. When you call us, you're working with people who care about this community.
  • Award
    Top-Rated on Google
    Hundreds of 5-star reviews and a strong local reputation come from doing the job right and treating people with respect.
AC Repair & Maintenance Services

How We Can Help

  • ductless HVAC repair icon

    AC Troubleshooting & Diagnostics

    Not sure what’s wrong? We’ll take a thorough look at your system and explain what’s happening before we make any repairs.

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  • Emergency HVAC repair icon

    Emergency AC Repair

    If your AC goes out on a hot day or after hours, we’ll do our best to get someone out to you quickly.

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  • slab leak detection

    Refrigerant Leaks

    Low on coolant? We’ll test for leaks, recharge your system, and fix the root of the problem, not just top it off.

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  • Layer_1

    Thermostat Repairs

    Whether it’s a faulty sensor or a smart thermostat gone rogue, we’ll get your temperature control back on track.

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  • fan installation

    Electrical & Component Fixes

    From capacitor issues to blower motor failures, we repair the internal components that keep your system running smoothly.

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  • scheduled maintenance icon

    Preventive Maintenance

    Seasonal tune-ups help your AC run more efficiently, break down less often, and last longer, especially during Altadena’s warmer months.8989

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Schedule an Appointment Today

  1. Contact Us: We'll diagnose the issue, answer questions, and schedule a repair.
  2. Get an Estimate: We'll provide multiple price options so you can choose based on your needs and budget.
  3. Approve: We'll start immediately, and only perform work you approve.
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Ask About Maintenance Plans

We offer simple, affordable maintenance plans that help you avoid surprise breakdowns and extend the life of your system.

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What We Offer

Pricing

You’ll always know what the job will cost before we begin. We provide upfront estimates with no hidden fees or hard sells, only honest answers.

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Who We Serve

  • homeowners

    Homeowners

    We help homeowners get their comfort back without the stress. Quick scheduling, clear communication, and clean work.

  • rentals

    Rental & Commercial Properties

    We assist landlords and property managers with reliable repair service, including emergency calls.

  • businesses

    Small Businesses

    We help Altadena business owners maintain cool, consistent comfort for customers and employees alike.

Our Service Areas

Proudly Serving Altadena & Surrounding Communities

Our team covers the entire San Gabriel Valley area, including:

  • Alhambra
  • Altadena
  • Arcadia
  • Azusa
  • Baldwin Park
  • Chino
  • Chino Hills
  • Claremont
  • Covina
  • Diamond Bar
  • Duarte
  • Fontana
  • Glendora
  • La Verne
  • Los Angeles
  • Monrovia
  • Ontario
  • Pasadena
  • Pomona
  • Rancho Cucamonga
  • Rowland Heights
  • San Dimas
  • San Gabriel
  • Upland
  • Walnut
  • Whittier

Related Services

  • AC Repair

  • AC Maintenance

  • Dustless HVAC

  • Smart Thermostat Installation

Ready to Get Started?

We’ll help you beat the heat and keep your home comfortable. Call now or book online, and we’ll take it from there.

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Frequently Asked Questions

What if my AC stops working suddenly?

Can you service older AC units?

How often should I schedule AC maintenance?

Do you work with smart thermostats?

How do I know if it’s worth fixing or replacing my AC?

Recent Homeowner's Tips
Categories:
How Chemical Drain Cleaners Harm Your DrainsMay 5, 2025If you’re looking for a way to clear your drains of buildup and keep clogs at bay, professional drain cleaning is the way to go. We know that there are store-bought liquids… Read more »
What Goes Down The Drain And What Doesn’tApril 1, 2025At Ace Pelizon Plumbing, we understand the importance of maintaining a well-functioning system. A part of that responsibility involves being mindful of what you pour down the drain. You should… Read more »
How To Shut Off Your Gas During An EmergencyMarch 3, 2025There are many things plumbers don’t expect homeowners to know about repairing things around the home. In fact, some things we don’t even want homeowners to attempt since a plumber… Read more »
View All Tips
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