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Best HVAC Contractors in Santa Clara, CA (2026)

476 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Santa Clara: Service Champions, CR Score 67/100; 4.9★ from 3,407 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Fuse HVAC, Refrigeration, Electrical & Plumbing, posts 24/7 hours; ranked #2 of 476.

  3. 23

    Most-reviewed: Service Champions, 4,721 Google reviews at 4.9★, the most of 476 ranked; ranked #23.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

476 Santa Clara HVAC contractors are ranked here by CR Score, from ten published factors. 143 are open 24/7, 317 open Saturdays and 257 open Sundays, based on posted hours. The median Google rating is 4.9★ across 476 rated businesses.

Most of this list also appears on the HVAC contractors in San Jose ranking. See HVAC contractors in San Jose

Top 10 HVAC contractors in Santa Clara at a glance

Top 10 HVAC contractors in Santa Clara at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Service Champions674.9★ (3,407)San Jose, 4 mi away24/7Overall
2Fuse HVAC, Refrigeration, Electrical & Plumbing664.9★ (1,034)Santa Clara24/7Emergencies
3TRIO Heating, Air & Plumbing654.9★ (1,142)San Jose, 3 mi away24/7—
4IRBIS Air Plumbing Electrical654.9★ (1,466)San Jose, 5 mi away24/7—
5Fuse644.9★ (400)San Jose, 2 mi away24/7—
6Fuse Service644.9★ (273)Santa Clara24/7—
7Atlas Trillo644.6★ (1,308)San Jose, 4 mi away24/7—
8Air Care Heating & Cooling Inc.634.9★ (426)San Jose, 5 mi away24/7—
9Heating And Air Experts - Affordable HVAC Contractor in Fremont, California635.0★ (761)Fremont, 11 mi away24/7—
10Fuse HVAC, Refrigeration, Electrical & Plumbing634.9★ (560)Campbell, 8 mi away24/7—

The 476 best HVAC contractors in Santa Clara, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Santa Clara

    Based in San Jose, 4 mi away

    67/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 3,407 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 3,407 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2161 Del Franco St, San Jose, CA 95131
  2. #5 Fuse

    Based in San Jose, 2 mi away

    64/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 400 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2512 Seaboard Ave, San Jose, CA 95131
  3. Based in Santa Clara

    64/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 273 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 273 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1221 Sherwood Ave, Santa Clara, CA 95050
  4. Based in San Jose, 4 mi away

    64/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.6★ from 1,308 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 1,308 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2305 Paragon Dr, San Jose, CA 95131
  5. Based in San Jose, 4 mi away

    63/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.7★ from 546 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 546 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2305 Paragon Dr, San Jose, CA 95131
  6. Based in San Mateo, 5 mi away

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 217 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 217 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3 37th Ave W, San Mateo, CA 94403
  7. Based in San Jose, 6 mi away

    62/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.7★ from 439 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 439 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    75 Phelan Ave Unit 6, San Jose, CA 95112
  8. Based in Livermore, 25 mi away

    62/100CR Score

    Ranked #23 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews, the most in Santa Clara.

    • 4.9★ from 4,721 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    207 Boeing Ct, Livermore, CA 94551
  9. Based in Lodi, 3 mi away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.8★ from 153 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 153 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days

HVAC contractors ranked #27 to #31

#1 to #25 are shown in full above. Here are #27 to #31, in CR Score order; each links to its profile. We publish the top 31 of 476 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Santa Clara, ranks 27 to 31
RankBusinessCR ScoreGoogle ratingDistance
27Jazz Heating, Air Conditioning and Plumbing624.9★ (3,438)23 mi
31Pacific Coast Home Services614.4★ (735)5 mi

How much do HVAC contractors cost in Santa Clara?

National price ranges in USD, not adjusted for Santa Clara. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Santa Clara?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in California

In California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in California

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

How we ranked Santa Clara HVAC contractors

We scored 476 Santa Clara HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Santa Clara data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Santa Clara: frequently asked questions

Who is the best HVAC contractor in Santa Clara?

By CR Score, the highest-ranked HVAC contractor in Santa Clara, CA is Service Champions with a CR Score of 67/100. It has 4.9★ from 3,407 Google reviews. It is open 24/7. Fuse HVAC, Refrigeration, Electrical & Plumbing (#2) and TRIO Heating, Air & Plumbing (#3) follow. We ranked 476 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Santa Clara?

ContractorsRanked ranks 476 HVAC contractors serving Santa Clara, CA. 2 of them are based in Santa Clara; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Santa Clara are open 24/7?

143 ranked HVAC contractors in Santa Clara post 24/7 hours. The highest-ranked are Service Champions (#1), Fuse HVAC, Refrigeration, Electrical & Plumbing (#2) and TRIO Heating, Air & Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Santa Clara work on weekends?

317 of 476 ranked HVAC contractors post Saturday hours and 257 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), Fuse HVAC, Refrigeration, Electrical & Plumbing (#2) and TRIO Heating, Air & Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does ac replacement cost in Santa Clara?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Santa Clara. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Santa Clara HVAC contractors have?

The median Google rating among 476 rated HVAC contractors in Santa Clara is 4.9★, with a median of 21 reviews. Service Champions has the most, 4,721 reviews, and ranks #23. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Santa Clara?

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

Update log for Santa Clara

  1. October 2026: CR Scores recalculated for 476 hvac contractors serving Santa Clara.
  2. October 2026: 3 duplicate listings merged.

More HVAC contractors and Santa Clara pages

Other trades in Santa Clara