30+ Years of Excellence: Trust Ariston Heating and Cooling for Expert AC Repair

HVAC Contractor in Pacheco, California - 114

AC Failing or Making Noise?

Our Factory-trained technicians will repair or upgrade your existing AC system in as little as 2 days


Fed Up With $$$ Utility Bills?

A broken or lagging AC system can be costing you hundreds of dollars a month in utility bills.


Ready To Upgrade Your Standard Of Living?

Enjoy truly modern comfort, convenience, and Indoor Air Quality

We Earned the Diamond Certified Award!

98% Approval Rating based on an independent, random sample of over 400 past customers.


Why Choose Ariston Heating & Cooling

  • Certified, Licensed and Professional: We are one of Contra Costa Counties ONLY Certified Mitsubishi Diamond Contractor. 
  • Experience: In business since 1988, we've seen and fixed it all.
  • Energy Efficiency: Repairing your AC unit will improve its energy efficiency, reducing your utility bills and environmental footprint.
  • Cost Savings: Our AC repair services can save you money by addressing minor issues before they escalate into major and more expensive repairs or the need for a complete replacement.
  • Prompt and Reliable Service: Our skilled technicians are committed to providing timely and dependable AC repair services, getting your system back up and running as quickly as possible.
  • Peace of Mind: Trusting Ariston Heating and Cooling for your AC repair needs means you can enjoy peace of mind, knowing that your cooling system is in the hands of reliable professionals.
  • Customer Satisfaction: Our primary goal is your satisfaction. We strive to exceed your expectations with our exceptional AC repair services, leaving you with a cool and comfortable home environment. Check our reviews on Google & Yelp!

Don't Let a Broken AC Ruin Your Day! Call Now for Fast and Reliable AC Repair.


Don't Delay, Fix Your AC Today! Schedule Your AC Repair Service with Ariston Heating and Cooling.

FAQ for AC Repair

We lovingly serve
Lamorinda, the Diablo Valley, Oakland-Brentwood Corridors and points beyond!