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ContractorsRanked

Best HVAC Contractors in Thermalito, CA (2026)

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

The short answer

  1. 1

    Best overall in Thermalito: Bob's Air Repair, CR Score 63/100; 4.9★ from 830 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Royal Aire Solar, Heating, Air & Water, posts 24/7 hours; ranked #2 of 36.

  3. 2

    Most-reviewed: Royal Aire Solar, Heating, Air & Water, 718 Google reviews at 4.7★, the most of 36 ranked after Bob's Air Repair; ranked #2.

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

36 Thermalito HVAC contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 16 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 36 rated businesses.

Top 10 HVAC contractors in Thermalito at a glance

Top 10 HVAC contractors in Thermalito at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Bob's Air Repair634.9★ (830)Chico, 19 mi away24/7Overall
2Royal Aire Solar, Heating, Air & Water624.7★ (718)Chico, 18 mi away24/7Emergencies, Most reviews
3Embers Heating and Air625.0★ (43)Oroville, 3 mi away24/7—
4Climate & Energy Solutions604.9★ (562)Chico, 24 mi awaySat · Sun · Evenings—
5Connect Energy Mechanical595.0★ (65)Chico, 10 mi awaySat · Sun · Evenings—
6De Air Company Inc.584.9★ (97)Oroville, 2 mi away——
7Innovative Heating & Air585.0★ (111)Oroville, 5 mi away——
8Grimes Heating & Air, Inc.574.8★ (129)Oroville, 7 mi away——
9Air-Art Heating & Air Conditioning564.9★ (301)Chico, 20 mi away——
10J & J Heating and Air Conditioning Inc.555.0★ (60)Plumas Lake, 19 mi awaySat—

The 36 best HVAC contractors in Thermalito, 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 Thermalito

    #1 Bob's Air Repair

    Based in Chico, 19 mi away

    63/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 830 Google reviews, the most in Thermalito.

    • 4.9★ from 830 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    132 Meyers St Suite 100, Chico, CA 95928
    View profile for Bob's Air Repair(530) 345-9800

  6. #6 De Air Company Inc.

    Based in Oroville, 2 mi away

    58/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 97 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    2710 Feather River Blvd #B, Oroville, CA 95965
    View profile for De Air Company Inc.(530) 534-8691

  14. #14 Flores HVAC & Construction

    Based in Durham, 15 mi away

    54/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.4★ from 46 Google reviews, listed on Google as “Heating contractor”.

    • 4.4★ from 46 Google reviews
    Hours
    Mon–Thu 7:30 AM–5 PM · Fri 7:30 AM–1 PM · Sat 9 AM–1 PM · Sun closed
    Address
    2393 Durham-Dayton Hwy, Durham, CA 95938
    View profile for Flores HVAC & Construction(530) 809-0058

  17. #17 Story Heating & Air

    Based in Chico, 17 mi away

    54/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 31 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–4 PM · Sun closed
    Address
    609 Entler Ave, Chico, CA 95928
    View profile for Story Heating & Air(530) 899-9293

  19. #19 Dake Bros. Heating & Air

    Based in Gridley, 12 mi away

    52/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.6★ from 21 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 21 Google reviews
    Hours
    Mon 8 AM–4:30 PM · Tue 8:08 AM–4:30 PM · Wed–Thu 8 AM–4:30 PM · Fri 8 AM–3 PM · Sat–Sun closed
    Address
    288 Little Ave, Gridley, CA 95948
    View profile for Dake Bros. Heating & Air(530) 300-2317

All 36 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #36, in CR Score order; each links to its profile.

HVAC contractors in Thermalito, ranks 26 to 36
RankBusinessCR ScoreGoogle ratingDistance
26Tempest Air HVAC LLC504.7★ (3)23 mi
27John Mitchell Heating & Cooling, Inc495.0★ (11)22 mi
28Homestead Heating & Air Conditioning492.8★ (27)11 mi
29Clinton's Air Conditioning494.2★ (21)23 mi
30Watkins Heating & Air495.0★ (4)25 mi
31Gilmore Construction & Development Inc.485.0★ (5)22 mi
32Red Dirt Electric474.9★ (49)16 mi
33McClelland Air Conditioning473.4★ (41)24 mi
34Western Heating & Rain Gutters474.3★ (6)12 mi
35Pioneer Engineering & Construction464.2★ (26)22 mi
36Experts In Your Home444.1★ (51)20 mi

Also serving Thermalito

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 Thermalito
BusinessGoogle ratingDistance
Air Rite Heating & Air Conditioning3.0★ (2)17 mi
Air-Con Energy Systems5.0★ (2)22 mi
Alvis Heating & AC2 mi
Butte County Creative Productions3 mi
Chico Air Heating & Cooling5.0★ (2)21 mi
Feather River Aire, Inc.1 mi
Gallagher's Air Duct Services6 mi
Home Air & Chimney Service5.0★ (2)19 mi
igreen3.0★ (2)18 mi
John O'Hare Refrigeration-Air4 mi
KB Heating & Air2 mi
Kelly Ridge Heating & Air Conditioning6 mi
Lugenbell Mechanical Services5.0★ (1)20 mi
Michael's Mechanical Heating & Air Conditioning6 mi
Pacific West Home Services13 mi
Pye's Appliance Services2 mi
Pye's Appliance Services6 mi
Reynolds Heating And A/C1 mi
Tate Jones Heat and Air5.0★ (2)8 mi
Wise Refrigeration1.0★ (1)11 mi

How much do HVAC contractors cost in Thermalito?

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

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

We scored 36 Thermalito 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 Thermalito 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 Thermalito: frequently asked questions

Who is the best HVAC contractor in Thermalito?

By CR Score, the highest-ranked HVAC contractor in Thermalito, CA is Bob's Air Repair with a CR Score of 63/100. It has 4.9★ from 830 Google reviews. It is open 24/7. Royal Aire Solar, Heating, Air & Water (#2) and Embers Heating and Air (#3) follow. We ranked 36 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Thermalito?

ContractorsRanked ranks 36 HVAC contractors serving Thermalito, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Thermalito are open 24/7?

5 ranked HVAC contractors in Thermalito post 24/7 hours. The highest-ranked are Bob's Air Repair (#1), Royal Aire Solar, Heating, Air & Water (#2) and Embers Heating and Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Thermalito work on weekends?

16 of 36 ranked HVAC contractors post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Bob's Air Repair (#1), Royal Aire Solar, Heating, Air & Water (#2) and Embers Heating and Air (#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 Thermalito?

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

What Google rating do Thermalito HVAC contractors have?

The median Google rating among 36 rated HVAC contractors in Thermalito is 4.8★, with a median of 37 reviews. Bob's Air Repair has the most, 830 reviews, and ranks #1. 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 Thermalito?

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 Thermalito

  1. October 2026: CR Scores recalculated for 36 hvac contractors serving Thermalito.

More HVAC contractors and Thermalito pages

Other trades in Thermalito