With equal payments, $1000 minimum Purchase
Payments Starting Around $292/Month
Buy a $90 Fall Tune-Up and get your Spring Tune-Up FREE.
*Subject to Credit Approval. Terms and Conditions Apply. Offer valid on qualifying systems only
Trusted AC & Heating
Experts Since 1960
Trusted AC & Heating
Experts Since 1960$90 Fall Tune-Up
Spring Tune-Up FREECall 925-493-8579
Family-Owned | Award-Winning | Best-In-Class
Service Categories
Heating Services
Heating Services
Cooling Services
Cooling Services
Why Choose Miller’s?
Years of Excellence
Customer Rating
Service Awards
Happy Customers
Why Homeowners Trust Miller’s
- Family-Owned Since 1960
- Top Rated on Google, Yelp, & More
- Professional, Certified Technicians
- Affordable Pricing & Financing Available with Approved Credit
Our Commitment to Comfort and Quality
Whether it’s a new air conditioning unit, a furnace upgrade, or a ductless system installation, we focus on energy efficiency, reliability, and long-term performance.
Exclusive Offers & Savings
$1,000 Off Furnace and A/C System Replacement
Modern Comfort. Clear Options.
Save $1,000 on a qualifying complete furnace and A/C system replacement. Today’s systems are built to newer efficiency requirements than many aging systems. We’ll compare repair and replacement options for your home—no one-size-fits-all bill-savings promises.
$75 Off Parts and Accessories
- Save $75 on qualifying parts and accessories when your repair or service invoice is $250 or more before tax. We diagnose the issue, explain your repair and replacement options, and get your approval before work begins. Terms and exclusions apply.
Customer Testimonials
Livermore, CA
Laura G.
Miller's came out to quote replacing our 25+ year old furnace and A/C unit. DJ carefully assessed our needs, provided a detailed estimate, and helped us choose the best replacement unit for our home. The installation process was seamless, and the technicians worked efficiently to ensure everything was set up perfectly. DJ stayed in constant communication throughout the installation and permit approval process. I highly recommend them for anyone in need of HVAC services. Thank you for your excellent work and dedication to customer satisfaction!
Livermore, CA
Dennis U.
Decided it was time to replace my HVAC system that Miller's installed 40 years ago. Again Miller's had the best quote and were able to install right away. Technicians Adrian and Sergio installed the new system in one day and even worked through their lunch! The workmanship looks top notch.
Pleasanton, CA
Tracy D.
I love Miller’s. I manage property and they are always prompt and considerate. My tenants love them. I personally just had them replace my heater and air conditioner. Again, they were prompt and efficient. Got the job done and you couldn’t even tell they were there.
I highly recommend them!
Livermore, CA
Marcel C.
I had a great experience from this local company. From my first meeting with Mike to the final day with the install crew, it just went almost TOO smoothly.
Replacing a heat and air conditioning system is a major investment and there are lots of options to consider. Mike was great at explaining how things would be installed and exactly what I would be getting. He's a patient guy. The install crew, Dan, Sean and Cameron were efficient, left the work areas clean and picked up, and took the time to explain the operation and maintenance tips.
Local company, great crew, happy customer.
Request a Quote
Ready for Reliable HVAC Service? Contact our friendly team today by phone or request a quote below for expert heating & cooling solutions.
Frequently Asked Questions
Yes. Our Fall BOGO offer includes a $90 Fall Tune-Up and a Spring Tune-Up FREE. Call 925-493-8579 to schedule and confirm the service details for your system.
If you notice strange noises, weak airflow, inconsistent temperatures, higher energy bills, or unpleasant odors, your HVAC system may need repairs. If you experience any of these issues, contact us for a professional diagnosis before the problem worsens.
If your HVAC system is over 10–15 years old, requires frequent repairs, or struggles to keep your home comfortable, it may be time to consider a replacement. Upgrading to a modern, energy-efficient system can lower utility costs and improve indoor comfort year-round.
Yes! We understand that a new HVAC system is a major investment. That’s why we offer flexible financing options, with approved credit, to help you upgrade your home’s comfort without breaking the bank. Contact us to learn more about our financing plans.
Yes! If your HVAC system stops working unexpectedly, our team is ready to help with fast, reliable emergency repair services. Call us, and we’ll get your heating or cooling system back up and running as quickly as possible.