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Best HVAC Contractors in Sunnyvale, TX (2026)

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

The short answer

  1. 1

    Best overall in Sunnyvale: Baker Brothers Plumbing, Air & Electric, CR Score 67/100; 4.9★ from 24,389 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Willard Heating, Cooling, & Plumbing, posts 24/7 hours; ranked #2 of 894.

  3. 3

    Most-reviewed: Bacon Plumbing Heating Air Electric, 7,092 Google reviews at 4.9★, the most of 894 ranked after Baker Brothers Plumbing, Air & Electric; ranked #3.

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

894 Sunnyvale HVAC contractors are ranked here by CR Score, from ten published factors. 364 are open 24/7, 715 open Saturdays and 516 open Sundays, based on posted hours. The median Google rating is 4.9★ across 894 rated businesses.

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

Top 10 HVAC contractors in Sunnyvale at a glance

Top 10 HVAC contractors in Sunnyvale at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Baker Brothers Plumbing, Air & Electric674.9★ (24,389)Mesquite, 6 mi away24/7Overall
2Willard Heating, Cooling, & Plumbing654.9★ (5,757)Forney, 7 mi away24/7Emergencies
3Bacon Plumbing Heating Air Electric644.9★ (7,092)Rockwall, 11 mi away24/7Most reviews
4On Time Experts644.8★ (5,914)Garland, 9 mi away24/7—
5Xtreme Air Services - HVAC, Plumbing, & Electrical634.8★ (2,452)Sunnyvale24/7—
6Copeland Heating Air Conditioning Plumbing and Electrical Repair Services634.9★ (2,076)Forney, 8 mi away24/7—
7Rescue Air and Plumbing634.9★ (3,641)Dallas, 13 mi away24/7—
8Infinity Texas Air624.9★ (1,325)Forney, 9 mi away24/7—
9Berkeys Plumbing, A/C & Electrical624.9★ (3,253)Dallas, 13 mi away24/7—
10Texas AirZone LLC625.0★ (810)Dallas, 10 mi away24/7—

The 894 best HVAC contractors in Sunnyvale, 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.

  4. #4 On Time Experts

    Based in Garland, 9 mi away

    64/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 5,914 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 5,914 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2914 National Ct, Garland, TX 75041
    View profile for On Time Experts(469) 208-9725

  8. #8 Infinity Texas Air

    Based in Forney, 9 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,325 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,325 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12025 Lewis Cir, Forney, TX 75126
    View profile for Infinity Texas Air(972) 734-1903

  10. #10 Texas AirZone LLC

    Based in Dallas, 10 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 810 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 810 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10763 Mapleridge Dr, Dallas, TX 75238
    View profile for Texas AirZone LLC(214) 851-3886

  12. #12 Service Experts Dallas

    Based in Richardson, 14 mi away

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 3,908 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,908 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    640 International Pkwy Suite 200, Richardson, TX 75081
    View profile for Service Experts Dallas(972) 619-7607

  16. #16 Conover Heating & Air

    Based in Mesquite, 5 mi away

    61/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 184 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 184 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4200 Gus Thomasson Rd Suite 114, Mesquite, TX 75150
    View profile for Conover Heating & Air(214) 361-9630

  18. #18 Lavender AC & Heating

    Based in Mesquite, 4 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 169 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 169 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1228 W Scyene Rd Suite 234, Mesquite, TX 75149
    View profile for Lavender AC & Heating(469) 704-0244

HVAC contractors ranked #31 to #33

#1 to #25 are shown in full above. Here are #31 to #33, in CR Score order; each links to its profile. We publish the top 33 of 894 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Sunnyvale, ranks 31 to 33
RankBusinessCR ScoreGoogle ratingDistance
31Garland Heating & Air Conditioning604.7★ (647)8 mi
33Swan Electric, Plumbing, Heating & Air604.7★ (2,479)In Sunnyvale

How much do HVAC contractors cost in Sunnyvale?

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

How much do HVAC contractors cost in Sunnyvale?
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 Texas

In Texas, Texas Department of Licensing and Regulation (TDLR) licenses Air conditioning and refrigeration contractor licenses (Class A and B).

  1. Search the business name or license number on the Texas Department of Licensing and Regulation (TDLR) 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 Texas

In Texas, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

How we ranked Sunnyvale HVAC contractors

We scored 894 Sunnyvale 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 Sunnyvale 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 Sunnyvale: frequently asked questions

Who is the best HVAC contractor in Sunnyvale?

By CR Score, the highest-ranked HVAC contractor in Sunnyvale, TX is Baker Brothers Plumbing, Air & Electric with a CR Score of 67/100. It has 4.9★ from 24,389 Google reviews. It is open 24/7. Willard Heating, Cooling, & Plumbing (#2) and Bacon Plumbing Heating Air Electric (#3) follow. We ranked 894 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Sunnyvale?

ContractorsRanked ranks 894 HVAC contractors serving Sunnyvale, TX. 2 of them are based in Sunnyvale; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Sunnyvale are open 24/7?

364 ranked HVAC contractors in Sunnyvale post 24/7 hours. The highest-ranked are Baker Brothers Plumbing, Air & Electric (#1), Willard Heating, Cooling, & Plumbing (#2) and Bacon Plumbing Heating Air Electric (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Sunnyvale work on weekends?

715 of 894 ranked HVAC contractors post Saturday hours and 516 post Sunday hours. The highest-ranked open Saturdays are Baker Brothers Plumbing, Air & Electric (#1), Willard Heating, Cooling, & Plumbing (#2) and Bacon Plumbing Heating Air Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In Texas, Texas Department of Licensing and Regulation (TDLR) handles licensing and covers Air conditioning and refrigeration contractor licenses (Class A and B). Search the business or license number at https://www.tdlr.texas.gov/LicenseSearch/.

How much does ac replacement cost in Sunnyvale?

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

What Google rating do Sunnyvale HVAC contractors have?

The median Google rating among 894 rated HVAC contractors in Sunnyvale is 4.9★, with a median of 30 reviews. Baker Brothers Plumbing, Air & Electric has the most, 24,389 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 Sunnyvale?

In Texas, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

Update log for Sunnyvale

  1. October 2026: CR Scores recalculated for 894 hvac contractors serving Sunnyvale.
  2. October 2026: 12 duplicate listings merged.

More HVAC contractors and Sunnyvale pages

Other trades in Sunnyvale