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Ariston Heating and Cooling - HVAC Contractors

HVAC contractor in Pacheco, CA.

In Ariston Heating and Cooling - HVAC Contractors' own words

Locally Owned and Family Operated HVAC Company Since 2017 We are a trusted HVAC contractor serving Contra Costa County, including Lamorinda and surrounding areas. We specialize in AC installs, AC repair, furnace repair, full electric heat pumps, mini split repair, and heat pump installation. Our advanced HVAC systems are designed to increase property value, reduce utility bills, and enhance home comfort. Our services include professional furnace repair and heating solutions, reliable air conditioning repair services, and preventative maintenance. Trust Ariston as your go-to heating and air conditioning contractor! Schedule a free consultation today by giving us a call or reaching out from our website.

Trade
HVAC contractor
Business address
111 Center Ave Ste M, Pacheco, CA 94553
Telephone
(925) 421-0888
Website
aristonheatingandcooling.com
Hours
  • Monday9:00 am - 5:00 pm
  • Tuesday9:00 am - 5:00 pm
  • Wednesday9:00 am - 5:00 pm
  • Thursday9:00 am - 5:00 pm
  • Friday9:00 am - 5:00 pm
  • SaturdayClosed
  • SundayClosed

From the business's Google listing, checked Oct 2026

Register
CA register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.

Google Reviews

4.9 (91)

  • Amazing service and company,. I received an ungodly expensive quote from Atlas and honestly learned how they were over prescribing based on needs of our house. Alekos and his tram know their stuff and gave use a well priced solution and it worked out beautifully. COuldn't be happier with the service, communication and outcome.

    Pete A.

  • These guys are a truly professional outfit. We had a new mini-split system installed in a community property I manage We had four bids, some of which I would call b******* bids, as they were ridiculously overpriced. Then there was the company that insisted we needed to do $10,000 of electrical work. The Ariston team came and gave us a very competitive bid. They did extra research to confirm that we did not need additional electrical added. When they installed our system, they came on time and were very professional, tidy and courteous. I'm going to switch to them for my regular mini-split maintenance at home instead of the other guys who I have been using.

    J E.

  • The crew was courteous, clean and collaborative. So far everything is great!

    Brad M.

  • I had to relocate my vent fan and Ariston Heating/Cooling had the best customer service and had competitive prices! They came out really fast for the job. Aghiles and Alejandro did an awesome job and their work was really clean. Amazing job and highly recommend!

    R. D.

  • They came to fix some of our smashed air ducts. They were very professional friendly and clean! Would recommend and use again for another job

    Maria M.

  • Wonderful experience using Ariston! They're helpful, knowledgeable and kind! Thank you so much.

    Natalie F.

  • Very fast and professional service

    Galima K.

  • Great work all around. Great follow up by management and it's good to know Ariston will be with us in the future.

    mark O.

  • Alekos and his team were outstanding. From easy scheduling of first diagnostic visit, to a thorough and intelligent recommendation, to a professional and successful HVAC repair and energy optimization. Great ethos and great execution. Highly recommend to all homeowners and businesses.

    alex M.

  • Needed my gas furnace replaced. These guys wre professional and quick, highly recommend

    Raghuram A.

  • Ariston team is always friendly and helpful. This has been a complicated, multi-phase job and they’ve worked with me through the whole process. Happy with the result.

    seth K.

  • I know nothing about hearing and cooling systems. Our technician generally explained how the system works and improvements we should make. He was courteous and patient. I plan to subscribe to the maintence service.

    Teresa

  • Prompt, brave and professional. I highly recommend Ariston Heating & Cooling.

    Kathleen W.

  • Ariston H&C is great. While my problem was just a blown fuse, Alejandro was very helpful explaining the quick easy fix. I tried trouble shooting it myself, swapping outside heat pump unit fuse and thermostat. Instead Alejandro just replaced the inside force air unit fuse that needed replacing. Quick easy fix.

    Jo L.

  • I called for help with a common c wire installation. They came within 2 hours. They were professional, reasonably priced and extremely kind! Thank you soo much!

    Chantel E.

  • Alejandro came in to check my heater. Took his time checking and explaining what was wrong and fixed it right away. He also checked all the vents in the house for air flow. Thank you Alejandro!

    Kanwal B.

  • My old furnace and AC died suddenly. Called several companies and finally chose Ariston to replace my system with an ‘American Standard’ system. Ariston were very competitive and gave me a good deal on the system. It was good to speak with the owners directly vs going through sales people. Alekos, the owner is very knowledgeable and explained the options to me including heat pumps etc. Ariston scheduled the installation right after XMAS and completed the work within a day. Alejandra and crew were fantastic and did a super professional installation job. I am Happy with the system and the quality of work.

    Sameer K.

  • Great service. Polite, responsive, and professional people.

    Viktor B.

  • Excellent crew. Had no problems fixing anything that needed a little more attention even if it was my fault it was put there in the first place.

    Luke H.

  • Very pleased with my service call - responded quickly and were able to diagnose and fix our heating system at a very fair price. I will use them again!

    Steven R.

  • Ariston people are professional, hard working, responsive and knowledgeable. This is second time I use their service. I hope the new improvement we placed will help our AC work well and better next summer. I am confident that Ariston will continue to offer excellent customer service! Thank you again for all your help. Lucy

    Lucy L.

  • Fast service, reasonable prices, will call Ariston again! Saved us a ton when they replaced our AC.

    Truman B.

  • True professionals, high proficiency, exceedingly fair pricing. Highly recommended, masters of our complex American Standard heat pump HVAC madness!

    B K.

  • Easy to work with, very responsive, smooth process. Highly recommend.

    Jocelyn C.

  • Alejandro took care of us

    Justin L.

About Ariston Heating and Cooling - HVAC Contractors

AC installation and repair are part of Ariston Heating and Cooling’s stated work, alongside furnace repair, heat-pump repair and installation, mini-split repair, and full-electric installation options. The company says it has operated since 2017 and works with homeowners in Pacheco and across Contra Costa County.

Ariston’s heating and cooling work

The company names routine maintenance, air-filtration options, indoor-air-quality work, and ducted or ductless heat pumps among its services. It also identifies itself as an American Standard authorized dealer and offers PACE financing. Its website describes a satisfaction guarantee.

Ariston Heating and Cooling has a 4.9 rating from 91 reviews. Reviewers most often mention prompt scheduling, professional crews, clear explanations, clean work areas, competitive bids, and follow-up after the work is complete. Several reviews describe repair, furnace replacement, ductwork, vent-fan relocation, and mini-split installation work.

Its stated weekday hours run from 9:00 am to 5:00 pm, Monday through Friday. The company says it is licensed, insured, and bonded as a C20 contractor.

Pacheco heating and air-conditioning conditions

In Pacheco, utility gas heats 60% of housing units, per the American Community Survey’s 2024 figures. NOAA normals for 1991-2020 give Pacheco a mean temperature of 60.4°F, an average high of 71.4°F, and an average low of 49.4°F.

The company’s named equipment and repair work spans both heating and cooling systems, with mini-splits, ductless units, heat pumps, furnaces, and air-conditioning equipment all included in its stated service mix.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.

More HVAC contractors in California

About Pacheco

Population4,325 (2024)
CountyContra Costa County
Average yearly snowfall0.1 inches
Heating degree days2,534
Most common heating fuelUtility gas

Sources: U.S. Census Bureau. NOAA U.S. Climate Normals 1991-2020.