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Emergency HVAC Contractors in Rio Vista, CA (2026)

Top 50 of 290 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Rio Vista: Perfect Star Heating, Cooling, & Electrical, open 24/7.

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

Top emergency HVAC contractors in Rio Vista at a glance

Top emergency HVAC contractors in Rio Vista at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Perfect Star Heating, Cooling, & Electrical644.9★ (2,331)Antioch, 13 mi away24/7
2Service Champions624.9★ (5,220)Martinez, 24 mi away24/7
3Stewart Heating, Plumbing and Air Conditioning624.9★ (851)Pittsburg, 15 mi away24/7
4Hometown Heating and Air Conditioning624.9★ (2,463)Concord, 22 mi away24/7
5Elite Comfort Systems625.0★ (709)Brentwood, 17 mi away24/7
6Tyndall HVAC, Inc614.9★ (292)Antioch, 13 mi away24/7
7Perfect Star Heating, Cooling, & Electrical614.9★ (1,255)Concord, 22 mi away24/7
8Freschi Service Experts604.8★ (1,046)Concord, 21 mi away24/7
910 Summers Heating & Cooling605.0★ (45)Lathrop, 5 mi away24/7
10Airmech Heating and Air Conditioning605.0★ (848)Elk Grove, 24 mi away24/7

Call an emergency HVAC contractor in Rio Vista now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Rio Vista, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 290 is on the HVAC contractors page.

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

  6. #6 Tyndall HVAC, Inc

    Based in Antioch, 13 mi away

    61/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 292 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2825 Mayflower Dr, Antioch, CA 94531
    View profile for Tyndall HVAC, Inc(925) 215-7792

  13. #13 Grizzly Heating & Air

    Based in Lodi, 24 mi away

    59/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 515 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 515 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1368 E Turner Rd, Lodi, CA 95240
    View profile for Grizzly Heating & Air(209) 720-4554

  23. #23 Rendon Heating & Air

    Based in Vacaville, 21 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 156 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.6★ from 156 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    527 Stevenson St, Vacaville, CA 95688
    View profile for Rendon Heating & Air(707) 999-8069

  24. #24 Cali HVAC

    Based in Concord, 23 mi away

    57/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1717 Solano Way STE 2, Concord, CA 94520
    View profile for Cali HVAC(925) 775-5557

Top 50 of 290 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Rio Vista, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Air Essentials Inc574.9★ (84)22 mi
27Prime HVAC Oakley Solutions575.0★ (15)12 mi
28Prompt HVAC Contractors Oakley575.0★ (16)12 mi
29Jorge & Sons Water Heaters574.9★ (18)14 mi
30A&B Kenmore Appliance Repair574.9★ (30)17 mi
31Adams & Sons Home HVAC574.9★ (74)23 mi
32Rooter Hero Plumbing & Air574.8★ (1,291)13 mi
33AC & Heating Solutions564.9★ (73)24 mi
34Green Air Heating and Air Conditioning, Inc.564.6★ (69)21 mi
35AirFlow HVAC Experts565.0★ (29)19 mi
36Airwise Vacaville HVAC Solutions565.0★ (30)20 mi
37Local Pros Heating and Air Conditioning565.0★ (51)24 mi
38Austin's Heating & Air Conditioning, Inc.565.0★ (33)22 mi
39Baker's Heating and Air Conditioning565.0★ (49)24 mi
40The Appliance Repairman Comp.564.9★ (37)22 mi
41Mckinley HVAC Contractor Fairfield565.0★ (22)19 mi
42Arctic HVAC & Construction564.9★ (53)25 mi
43EHC HEATING AND COOLING564.7★ (55)23 mi
44One Hour Heating & Air Conditioning565.0★ (41)24 mi
45Top Rank Heating and Air Conditioning Inc.564.6★ (67)24 mi
46Climate Source HVAC/R LLC554.9★ (29)22 mi
47AAA AC And Heating555.0★ (20)22 mi
48ASM MECHANICAL SERVICES INC553.9★ (7)15 mi
49Blue Mountain Construction Services553.9★ (120)22 mi
50Air Men Heating and Air Conditioning553.9★ (7)15 mi

How we ranked emergency HVAC contractors in Rio Vista

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Rio Vista: questions

Which HVAC contractors in Rio Vista are open 24/7?

25 on this list post 24/7 hours, including Perfect Star Heating, Cooling, & Electrical, Service Champions, Stewart Heating, Plumbing and Air Conditioning, Hometown Heating and Air Conditioning and Elite Comfort Systems.

Who is ranked #1 for emergency heating and cooling in Rio Vista, CA?

Perfect Star Heating, Cooling, & Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Rio Vista ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Rio Vista

  1. October 2026: CR Scores recalculated for 290 hvac contractors serving Rio Vista.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages