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ContractorsRanked

Best HVAC Contractors in Hayward, CA (2026)

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

The short answer

  1. 1

    Best overall in Hayward: Jazz Heating, Air Conditioning and Plumbing, CR Score 93/100; 4.9★ from 3,438 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Chill Heating and Cooling, posts 24/7 hours; ranked #2 of 685.

  3. 11

    Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 685 ranked; ranked #11.

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

685 Hayward HVAC contractors are ranked here by CR Score, from 8 published factors. 189 are open 24/7, 434 open Saturdays and 353 open Sundays, based on posted hours. The median Google rating is 4.9★ across 685 rated businesses.

Top 10 HVAC contractors in Hayward at a glance

Top 10 HVAC contractors in Hayward at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Jazz Heating, Air Conditioning and Plumbing934.9★ (3,438)Pleasanton, 11 mi away24/7Overall
2Chill Heating and Cooling925.0★ (1,017)San Ramon, 10 mi away24/7Emergencies
3Service Champions924.9★ (4,721)Livermore, 15 mi away24/7—
4Bell Brothers Plumbing Heating & Air - Hayward924.7★ (863)Hayward24/7—
5Service Champions924.8★ (2,337)Pleasanton, 9 mi away24/7—
6Heating And Air Experts - Affordable HVAC Contractor in Fremont, California915.0★ (761)Fremont, 12 mi away24/7—
7Villquin Air Services914.9★ (172)Hayward24/7—
8Bay Area Climate Control914.9★ (162)Hayward24/7—
9Service Hero Plumbing & Air914.5★ (1,252)Hayward24/7—
10Service Champions904.9★ (3,407)San Jose, 21 mi away24/7—

The 685 best HVAC contractors in Hayward, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  5. #5 Service Champions

    Based in Pleasanton, 9 mi away

    92/100CR Score

    Ranked #5 because of its Google rating and availability: 4.8★ from 2,337 Google reviews, open 24/7.

    • 4.8★ from 2,337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7020 Commerce Dr, Pleasanton, CA 94588
    View profile for Service Champions(925) 248-3458

  10. #10 Service Champions

    Based in San Jose, 21 mi away

    90/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 3,407 Google reviews, open 24/7.

    • 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
    View profile for Service Champions(408) 549-7376

  11. #11 Service Champions

    Based in Martinez, 24 mi away

    90/100CR Score

    Ranked #11 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most Google reviews on this list (5,220).

    • 4.9★ from 5,220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    261 Arthur Rd, Martinez, CA 94553
    View profile for Service Champions(925) 281-0532

  18. #18 Fuse service

    Based in Palo Alto, 16 mi away

    89/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 444 Google reviews, open 24/7.

    • 5.0★ from 444 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    349 Everett Ave, Palo Alto, CA 94301
    View profile for Fuse service(408) 412-9334

  20. #20 Heise's Plumbing

    Based in San Francisco, 20 mi away

    89/100CR Score

    Ranked #20 because of its Google rating and availability: 4.9★ from 1,454 Google reviews, open 24/7.

    • 4.9★ from 1,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    260 Ocean Ave, San Francisco, CA 94112
    View profile for Heise's Plumbing(415) 333-0704

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 685 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Hayward, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Service Experts Heating & Air Conditioning894.9★ (920)19 mi
27The Clean Sky HVAC and Appliance Repair895.0★ (37)In Hayward
28Art of Comfort885.0★ (153)12 mi
29Cabrillo Plumbing, Heating & Air885.0★ (208)14 mi
30Comfy Heating & Air Conditioning Inc.884.8★ (111)6 mi
31Fuse HVAC, Refrigeration, Electrical & Plumbing884.9★ (1,034)22 mi
32TRIO Heating, Air & Plumbing884.9★ (1,142)23 mi
33Eagle Air884.9★ (549)20 mi
34Fuse Service884.9★ (264)15 mi
35AIS Heating & Air Conditioning885.0★ (172)15 mi
36Eco Systems Heating & Air Conditioning874.8★ (138)9 mi
37QC Guys - Whole House Fan Experts875.0★ (549)12 mi
38JJ Heating and Air Conditioning Co874.8★ (155)11 mi
39Arch Plumbing Inc.874.9★ (286)18 mi
40Glover & Son Heating & Air Conditioning [Recommended] Bay Area AC Repair874.8★ (122)10 mi
41Magic Plumbing Heating & Cooling874.9★ (1,876)17 mi
42Freschi Service Experts874.8★ (1,046)24 mi
43Fuse874.9★ (400)22 mi
44Moore Mechanical874.8★ (1,046)12 mi
45Galaxy Heating & Air Conditioning864.8★ (370)19 mi
46Lunar Air Systems864.9★ (35)7 mi
47Fuse HVAC, Refrigeration, Electrical & Plumbing864.9★ (216)19 mi
48Green Mechanics Heating & AC Repair Specialists864.9★ (74)12 mi
49Royal Dacor Appliance Repair864.6★ (32)2 mi
50TRIO Heating, Air & Plumbing864.9★ (145)17 mi

Also serving Hayward

20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Hayward
BusinessGoogle ratingDistance
A C Heating & Cooling Services Inc5.0★ (1)In Hayward
A.C. Enterprises4.1★ (17)In Hayward
Air Cool RefrigerationIn Hayward
Airstars CorpIn Hayward
Amex Sheet Metal IncIn Hayward
Atlas Trillo4.6★ (1,308)21 mi
Automatic Control Engineering4.5★ (2)In Hayward
Barker Heating & Cooling4.8★ (1,930)21 mi
Bayside Mechanical Inc.In Hayward
Happy Heating & Air5.0★ (1)In Hayward
Hayward duct cleaning & dryer solution5.0★ (2)In Hayward
Heating & Air Conditioning Hayward5.0★ (1)In Hayward
Insulation & Air Duct Crew5.0★ (2)In Hayward
Next Plumbing & HeatingIn Hayward
Quality Air Services5.0★ (1)In Hayward
Qualtech Heating & Cooling5.0★ (1)In Hayward
rabboni mechanical heating & air conditioning1.0★ (1)In Hayward
Same Day Air Conditioning & Heating4.7★ (550)20 mi
USA Rooter & Plumbing4.3★ (31)In Hayward
Water Heaters Only, Inc4.9★ (531)In Hayward

How much do HVAC contractors cost in Hayward?

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

How much do HVAC contractors cost in Hayward?
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 Hayward HVAC contractors

We scored 685 Hayward HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Hayward data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Hayward: frequently asked questions

Who is the best HVAC contractor in Hayward?

By CR Score, the highest-ranked HVAC contractor in Hayward, CA is Jazz Heating, Air Conditioning and Plumbing with a CR Score of 93/100. It has 4.9★ from 3,438 Google reviews. It is open 24/7. Chill Heating and Cooling (#2) and Service Champions (#3) follow. We ranked 685 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Hayward?

ContractorsRanked ranks 685 HVAC contractors serving Hayward, CA. 7 of them are based in Hayward; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Hayward are open 24/7?

189 ranked HVAC contractors in Hayward post 24/7 hours. The highest-ranked are Jazz Heating, Air Conditioning and Plumbing (#1), Chill Heating and Cooling (#2) and Service Champions (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Hayward work on weekends?

434 of 685 ranked HVAC contractors post Saturday hours and 353 post Sunday hours. The highest-ranked open Saturdays are Jazz Heating, Air Conditioning and Plumbing (#1), Chill Heating and Cooling (#2) and Service Champions (#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 Hayward?

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 Hayward. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Hayward HVAC contractors have?

The median Google rating among 685 rated HVAC contractors in Hayward is 4.9★, with a median of 18 reviews. Service Champions has the most, 5,220 reviews, and ranks #11. 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 Hayward?

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 Hayward

  1. October 2026: CR Scores recalculated for 685 hvac contractors serving Hayward.
  2. October 2026: 6 duplicate listings merged.

More HVAC contractors and Hayward pages

Other trades in Hayward