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  1. Home
  2. San Ramon, CA
  3. Connolly Heating and Air Conditioning

Connolly Heating and Air Conditioning

Connolly Heating and Air Conditioning is a HVAC provider serving San Ramon, CA. Rated 5.0★ with 264 Google reviews. See services, review signals, and request a quote.

5.0★ (264 reviews)HVACSan Ramon, 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 areaSan Ramon, CA
  • Google rating5.0★ (264 reviews)
  • Phone(925) 281-3462
  • Address428 N Buchanan Cir #8, Pacheco, CA 94553, USA
  • CSLB License268327 (ACTIVE)

Photos

  • Connolly Heating and Air Conditioning photo 1
  • Connolly Heating and Air Conditioning photo 2
  • Connolly Heating and Air Conditioning photo 3
  • Connolly Heating and Air Conditioning photo 4
  • Connolly Heating and Air Conditioning photo 5

Photos from Connolly Heating and Air Conditioning, Kelly Natanelov

What customers say

★★★★★

“I recently had a new heat pump and furnace installed through Connolly after being without heat for over a month, and the entire experience was excellent from start to finish. Brian was the technician …”

— Monika Siegel, 2 months ago
★★★★★

“I can’t say enough good things about Connolly Heating and Air! They installed our HVAC system in 2024 and did an awesome job—fair prices, great workmanship, and they showed up right on time. So when o…”

— Debbie Bevan, 5 months ago
★★★★★

“I've met two techs for two separate issues. Both were polite, professional and seem very well trained. Office staff is friendly and responsive. Overall the business seems very organized and lives up …”

— David Secoda, 2 months ago
★★★★★

“This company is a stand out in service and relations. Chris handled the initial analysis and troubleshooting; Brian provided an estimate and explained all options; and Grayson performed the installati…”

— Brad Piatt, 3 months ago
★★★★★

“We have been customers for 10 years with twice a year service contract. This last week we had our entire HVAC system replaced . Nick and Justin and the entire crew that worked on our system were great…”

— Susan Newman, 2 months ago

Key highlights

Strengths

  • Highly rated (5.0★ average)
  • Large review volume (264 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

  • San Ramon, CA HVAC pros
  • Best HVAC in San Ramon
  • HVAC cost in San Ramon
  • 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 Connolly Heating and Air Conditioning offer?

    Connolly Heating and Air Conditioning provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in San Ramon, CA.

  • What is Connolly Heating and Air Conditioning's rating?

    Connolly Heating and Air Conditioning has a 5.0 out of 5 star rating based on 264 Google reviews.

  • Is this company licensed in California?

    Yes. License number: 268327. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.

  • Does Connolly Heating and Air Conditioning 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 Connolly Heating and Air Conditioning

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