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Ariston Heating and Cooling - HVAC Contractors

HVAC Companies in Walnut Creek, California
Ranked #5 in Walnut Creek | Grade B
4.90 (94 reviews)

Ariston Heating and Cooling - HVAC Contractors

Local HVAC contractor supporting Berkeley area homeowners, property managers, and small businesses with repairs, replacements, and mini-split installations. Focus on clear bids, research-backed recommendations, and clean execution Serving homeowners across Walnut Creek, California.

Ariston Heating and Cooling - HVAC Contractors business photo 1 - HVAC in Walnut Creek
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Ariston Heating and Cooling - HVAC Contractors business photo 3 - HVAC in Walnut Creek
Ariston Heating and Cooling - HVAC Contractors business photo 4 - HVAC in Walnut Creek
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Why Homeowners Choose This Business

Clear recommendations, competitive bids, and attentive follow-through. Scheduling is typically prompt, and work areas are kept clean. The team focuses on right-sizing solutions and explaining options so you can choose confidently Local experience that helps homeowners across Walnut Creek, California compare a more region-aware provider.

Service Area

Berkeley and neighboring East Bay communities including Pacheco, Walnut Creek, California, Oakland, and surrounding areas.

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  • Service information
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How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Renovation Services
  Supplier
  HVAC installation
  Maintenance
  Furnace Replacement
  Repairs
  Air Conditioner Repair
  Heat Pump Installation
  Mini-Split Installation
  HVAC Diagnostics
  Ventilation Adjustments
  Energy Efficiency Upgrades
  Light Commercial HVAC
  residential HVAC service
  Ductless AC

Heating and AC repair, furnace and air conditioner replacement, heat pump and mini-split installation, ventilation adjustments, system diagnostics, and energy-efficiency upgrades for residential and light commercial properties.

Reviews

Customer Reviews

J Erb
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 compa…
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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.
R. Davis
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…
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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!
alex mcintosh
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. Highl…
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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.
Sameer Khera
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…
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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.
Lucy Lu
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 c…
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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

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Frequently Asked Questions

Yes, service includes furnaces, central air conditioning, heat pumps, and mini-split systems for homes and small businesses. Appointments are scheduled during regular weekday hours, with timely communication on arrival windows.

The team provides diagnostic visits and explains trade-offs for comfort, noise, energy use, and cost. You’ll get a clear proposal with options so you can choose what best fits your space and budget.

Yes, ventilation adjustments and minor duct or fan relocations can be addressed as part of a project when appropriate. The scope is reviewed on site and included in the written estimate.

Timing depends on equipment availability and project scope, but customers often report prompt scheduling after approval. You’ll receive a target timeline and updates if lead times change.

The team services and installs a range of major HVAC brands, and will recommend options based on your needs. Brand availability can vary, and proposals will note specific models under consideration.
 Verified Listing

Opening Hours

  • Monday 9:00 AM – 5:00 PM
  • Tuesday 9:00 AM – 5:00 PM
  • Wednesday 9:00 AM – 5:00 PM
  • Thursday 9:00 AM – 5:00 PM
  • Friday 9:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed

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Business Details

Business Rating
4.90 (94 reviews) Featured BusinessPro Listing
Address
111 Center Ave Ste M, Pacheco, CA 94553
Business Type
HVAC Contractor
Website
https://aristonheatingandcooling.com/
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