AC Repair in Mission Viejo, CA

• ✅ Licensed & Insured — BHGS #48760
• ⭐ 200 Yelp Reviews · 5.0★ Google
• 🌡️ EPA 608 Universal Certified
• 📅 Family-Owned Since 2005
• 📍 Irvine-Based — Serving Mission Viejo Daily

Mission Viejo was master-planned in the 1970s and 80s, which means thousands of homes hit the same milestone together: original or once-replaced cooling systems now reaching the age where compressors, coils, and control boards start failing. Add inland summer heat and you get busy Augusts. Alpha & Omega repairs air conditioners across Mission Viejo — north and south, around Lake Mission Viejo, and along the Oso and Marguerite corridors. Call (310) 600-8152.

AC Problems We Fix in Mission Viejo

• AC running but not cooling — dirty condenser coils, failed capacitors, refrigerant leaks, frozen evaporator coils. While you wait, read why an AC blows warm air.
• AC won't turn on at all — thermostats, breakers, float switches, contactors; our step-by-step guide covers the free checks you can do first.
• Ice on the unit or lines — a frozen AC means an airflow or refrigerant problem; see why an AC freezes up.
• Water leaking from the AC — clogged condensate drains and pans; see why an AC leaks water.
• Weak airflow or short-cycling — clogged filters, blower and capacitor failures, a system starting and stopping every few minutes.
• Loud outdoor unit — failing fan motors and compressors caught early cost far less than caught late.

Repair or Replace? An Honest Answer

With so many Mission Viejo systems 15+ years old, the real question on many calls is whether a repair is still worth it. Our rule is simple: we quote the repair honestly, tell you the system's realistic remaining life, and let you decide — we make our living on repairs, not on talking you into equipment you don't need. Our repair-or-replace guide explains how we think about it.

Refrigerant Work Done Right

Handling refrigerant is EPA-regulated: our technicians are EPA Section 608 Universal certified. If your system is low, something is leaking — simply topping it off wastes money and vents refrigerant, so we locate and fix the leak first. That's the honest way, and it's also the EPA-compliant way.

Stop the Next Breakdown Before It Starts

Most emergency AC calls we run in Mission Viejo were preventable: a coil cleaning here, a capacitor test there. Our AC maintenance & tune-up visit covers the full checklist once a year, ideally in spring. Not sure if your system is telling you something? Read the 5 HVAC warning signs.

Frequently Asked Questions

How fast can you get to Mission Viejo for AC repair?

We serve Mission Viejo daily from our Irvine base — same-day AC repair is usually available. Call (310) 600-8152 early on hot days; afternoons fill first.

My AC is over 15 years old. Is it still worth repairing?

Often yes — a failed capacitor, contactor, or fan motor is a modest repair even on an older system. Where we counsel caution is major work like compressors or coils on very old units. We quote honestly and tell you the system's realistic remaining life so you can decide.

My AC runs but blows warm air. What's wrong?

The usual suspects are a dirty condenser coil, a failed capacitor, a refrigerant leak, or a frozen evaporator coil from a clogged filter. Start with the AC not cooling guide.

Do you do AC maintenance and tune-ups in Mission Viejo?

Yes — an annual tune-up before the first heat wave is the single best way to avoid a mid-summer breakdown. See what's included on the AC maintenance & tune-up page.

Beyond Mission Viejo

We also repair air conditioners in Lake Forest, Irvine, Tustin, and across the county — see the Orange County AC repair page.