AC Repair
AC Repair in Livermore & the Tri-Valley
Fast & Reliable Air Conditioning Repair Services
A broken air conditioner can make your home unbearable, especially during the peak of summer. Miller’s Air Conditioning & Heating has been providing expert AC repair services to Livermore and the Tri-Valley for over 60 years.
Whether your system isn’t cooling properly, making strange noises, or won’t turn on at all, our experienced technicians are ready to restore your comfort quickly.
Signs You Need AC Repair
If your air conditioner is showing any of these signs, it’s time to schedule a repair:
- Warm air blowing from vents
- AC running constantly or short cycling
- Leaking or pooling water around the unit
- Unusual noises like grinding, banging, or squealing
- Weak or inconsistent airflow
- Sudden spike in energy bills
Why Choose Miller's AC & Heating
For AC Repairs
- Certified and experienced technicians trained to service all major brands
- Same-day and emergency service available when you need it most
- Honest & Transparent Pricing – No hidden fees, just fair and upfront estimates
- Fully stocked service vehicles for faster repairs
- 60+ years of trusted local service
Our Heating Repair Process
O1
Diagnosis and Inspection
We perform a thorough inspection to identify the issue with your AC unit.
O2
Transparent Repair Estimate
Our technicians explain the problem and provide a detailed, upfront repair estimate.
O3
Professional Repairs
We fix your AC system using high-quality parts to ensure long-lasting performance.
O4
System Testing and Performance Check
After repairs, we test your system to ensure it’s cooling efficiently.
O5
Preventative Maintenance Recommendations
We offer maintenance plans to help prevent future breakdowns and costly repairs.
O1
Diagnosis and Inspection
We perform a thorough inspection to identify the issue with your AC unit.
O2
Transparent Repair Estimate
Our technicians explain the problem and provide a detailed, upfront repair estimate.
O3
Professional Repairs
We fix your AC system using high-quality parts to ensure long-lasting performance.
O4
System Testing and Performance Check
After repairs, we test your system to ensure it’s cooling efficiently.
O5
Preventative Maintenance Recommendations
We offer maintenance plans to help prevent future breakdowns and costly repairs.
Testimonials
What Our Customers Are Saying:
Years of Excellence
Customer Rating
Service Awards
Happy Customers
Testimonials
What Our Customers Are Saying:
Years of Excellence
Customer Rating
Service Awards
Happy Customers
Common AC Repairs We Handle
We see all sorts of problems in our line of work, and we’re ready and able to fix anything we come across. Common issues we see are as follows, but not limited to:
- Refrigerant leaks and recharge
- Frozen evaporator coils
- Clogged or dirty air filters
- Compressor and capacitor failures
- Thermostat malfunctions
- Electrical and wiring issues
Frequently Asked Questions
Ensure your thermostat is set to cooling mode, replace your air filter, and check the circuit breaker. If the issue continues, give us a call.
We offer same-day AC repair services in most cases and emergency service when needed.
If your AC is over 15 years old and requires frequent repairs, replacing it may be the better option. Our team can help you decide.
Yes, we provide financing options to help make unexpected AC repairs more affordable.
Regular maintenance, including seasonal tune-ups and filter changes, can extend your AC’s lifespan and reduce the risk of costly repairs.