Skip to main content
Compare HVAC Pro
Browse AreasHow It WorksFAQ
  • Browse Areas
  • How It Works
  • FAQ

Compare HVAC Pro

Local market research for homeowners. We help you evaluate licensed providers, understand pricing, and request quotes without pressure. Sponsored and featured listings are clearly labeled.

Popular Markets

  • HVAC near me
  • Washington state
  • Oregon state
  • Seattle, WA
  • Portland, OR
  • Spokane, WA
  • Tacoma, WA
  • Salem, OR

Research

  • How it works
  • Service categories
  • Financing
  • Cost calculator
  • State of HVAC 2026
  • FAQ

Guides

  • How to Read an HVAC Quote
  • Heat Pump vs Furnace
  • The 2025 Federal HVAC Tax Credits
  • HVAC Financing 101
  • Seasonal HVAC Maintenance Checklist
  • HVAC Not Cooling? 7 Things to Check Before Calling
  • Sizing an HVAC System Correctly
  • How to Spot HVAC Scams
AboutEditorial PolicyContributorsMethodologyContactCorrectionsPrivacy PolicyTerms of ServiceSMS TermsCookie PolicyAffiliate DisclosureDo Not Sell My Info
© 2026 Compare HVAC Pro. All rights reserved.comparehvacpro.com

We use cookies for analytics to understand how the site is used. No ads. No data sold. Details.

  1. Home
  2. Stockton, CA
  3. Delta Sierra Mechanical

Delta Sierra Mechanical

Delta Sierra Mechanical is a HVAC provider serving Stockton, CA. Rated 4.9★ with 1,231 Google reviews. See services, review signals, and request a quote.

4.9★ (1,231 reviews)HVACStockton, CA
On this page▾
  1. 1.Company overview
  2. 2.Photos
  3. 3.What customers say
  4. 4.Key highlights
  5. 5.Explore nearby research
  6. 6.Frequently asked questions

Company overview

  • TradeHVAC
  • Service areaStockton, CA
  • Google rating4.9★ (1,231 reviews)
  • Phone(916) 229-6340
  • Address110 W Fremont St, Stockton, CA 95202, USA
  • CSLB License1085319 (ACTIVE)

Photos

  • Delta Sierra Mechanical photo 1
  • Delta Sierra Mechanical photo 2
  • Delta Sierra Mechanical photo 3
  • Delta Sierra Mechanical photo 4
  • Delta Sierra Mechanical photo 5

Photos from Delta Sierra Mechanical, steven merrill

What customers say

★★★★★

“The final inspection by the City of Stockton was today and the system that was installed by Delta Sierra Mechanical passed. There was never a doubt in my mind that it would not pass. The technicians t…”

— Godria Thrower, 7 months ago
★★★★★

“Henry was amazing. He handled everything professionally And didn’t stop until we got the results we needed. Thank you, Henry for your amazing work. You deserve a raise. Great serviceman quality work h…”

— Christopher Brouns, a month ago
★★★★★

“The service tech Henry, replaced my thermostat and reset the system so I could resume controlling my system via the app. He also suggested purchasing the HVAC twice yearly maintenance plan which was m…”

— Steve Sale, 2 months ago
★★★★★

“The crew was on time, professional, and they finished before dinner, which I was impressed, great service and a great deal, highly recommend the Delta Sierra crew 👍🏼”

— Adam Adams, 6 months ago
★★★★★

“I had another great experience with Chris Buethe from Delta Sierra Mechanical! This is the second time Chris has serviced my HVAC system. Last year, he came out to replace a capacitor, and this year h…”

— alex Igbenabor, 2 months ago

Key highlights

Strengths

  • Highly rated (4.9★ average)
  • Large review volume (1,231 reviews)

Things to ask

  • Confirm availability for your area and timeline
  • Ask about warranty terms on parts and labor
  • Request a written estimate before work begins
  • Ask about payment plans or financing

Explore nearby research

  • Stockton, CA HVAC pros
  • Best HVAC in Stockton
  • HVAC cost in Stockton
  • Best HVAC in Los Angeles, CA
  • Best HVAC in San Diego, CA
  • Best HVAC in San Jose, CA
  • Best HVAC in San Francisco, CA

Frequently Asked Questions

  • What services does Delta Sierra Mechanical offer?

    Delta Sierra Mechanical provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Stockton, CA.

  • What is Delta Sierra Mechanical's rating?

    Delta Sierra Mechanical has a 4.9 out of 5 star rating based on 1,231 Google reviews.

  • Is this company licensed in California?

    Yes. License number: 1085319. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.

  • Does Delta Sierra Mechanical offer emergency service?

    Contact them directly to ask about emergency availability and after-hours service.

  • How do I request a quote?

    Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.

✓ Licensing verified 2026-04-24. Reviews refreshed 2026-04-24.

Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile

See our editorial standards · Report inaccurate info about Delta Sierra Mechanical

Request a quote from Delta Sierra Mechanical

Enter your ZIP and we will line up a free estimate alongside other top local pros.

Compare HVAC Pros

Own or manage this business? Claim this listing to earn a verified-owner badge.