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Best HVAC Contractors in Diboll, TX (2026)

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

The short answer

  1. 1

    Best overall in Diboll: McWilliams Heating, Cooling and Plumbing, CR Score 68/100; 4.9★ from 1,593 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Bentley's Air Conditioning & Refrigeration, posts 24/7 hours; ranked #2 of 24.

  3. 4

    Most-reviewed: Ferrara's Heating & Air Conditioning, Inc., 638 Google reviews at 4.9★, the most of 24 ranked after McWilliams Heating, Cooling and Plumbing; ranked #4.

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

24 Diboll HVAC contractors are ranked here by CR Score, from ten published factors. 8 are open 24/7, 13 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 5.0★ across 24 rated businesses.

Top 10 HVAC contractors in Diboll at a glance

Top 10 HVAC contractors in Diboll at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1McWilliams Heating, Cooling and Plumbing684.9★ (1,593)Diboll24/7Overall
2Bentley's Air Conditioning & Refrigeration614.6★ (161)Lufkin, 9 mi away24/7Emergencies
3Strickland Plumbing, HVAC & Electric, Inc.594.5★ (172)Lufkin, 12 mi away24/7—
4Ferrara's Heating & Air Conditioning, Inc.584.9★ (638)Lufkin, 10 mi away—Most reviews
5Texas Air Conditioning, Electric and Plumbing584.9★ (143)Nacogdoches, 25 mi away24/7—
6Anderson Affordable Heating & Air584.2★ (11)Lufkin, 5 mi away24/7—
7Pax-Sun (Ferrara's) Heating & Air Conditioning584.9★ (23)Lufkin, 12 mi away24/7—
8Armstrong's AC & Heat, LLC575.0★ (17)DibollSat—
9Tom Brown AC & Heating574.8★ (18)Lufkin, 14 mi away24/7—
10Lone Star Air Conditioning and Heating575.0★ (217)Nacogdoches, 21 mi awaySat—

The 24 best HVAC contractors in Diboll, ranked

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

  8. #8 Armstrong's AC & Heat, LLC

    Based in Diboll

    57/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 17 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    Address
    103 Weber, Diboll, TX 75941
    View profile for Armstrong's AC & Heat, LLC(936) 635-7907

  9. #9 Tom Brown AC & Heating

    Based in Lufkin, 14 mi away

    57/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    204 6th St, Huntington, TX 75949
    View profile for Tom Brown AC & Heating(936) 876-5489

  11. #11 Sigma Heating and Air

    Based in Diboll

    57/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 8 Google reviews
    Address
    100 E Borden Dr, Diboll, TX 75941
    View profile for Sigma Heating and Air(936) 674-5522

  15. #15 Long's HVAC/R

    Based in Diboll

    55/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    Address
    104 Dale St, Diboll, TX 75941
    View profile for Long's HVAC/R

  17. #17 Jimmy Counts Services

    Based in Lufkin, 9 mi away

    54/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 7 AM–10 PM
    Address
    532 Counts Rd, Lufkin, TX 75904
    View profile for Jimmy Counts Services(936) 875-3310

  19. #19 Morgan's AC and Heating

    Based in Lufkin, 6 mi away

    52/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Morgan's AC and Heating(936) 637-1510

  21. #21 Precision Air Lufkin

    Based in Lufkin, 8 mi away

    52/100CR Score

    Ranked #21 because of its Google rating and trade focus: 3.8★ from 23 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.8★ from 23 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
    Address
    4785 Old Union Rd, Lufkin, TX 75904
    View profile for Precision Air Lufkin(936) 639-4247

  22. #22 Action Service Center

    Based in Lufkin, 12 mi away

    50/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    804 N 1st St, Lufkin, TX 75901
    View profile for Action Service Center(936) 632-3260

  24. #24 Atkins N Family

    Based in Lufkin, 10 mi away

    44/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.0★ from 6 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    View profile for Atkins N Family(936) 215-3335

Also serving Diboll

9 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 Diboll
BusinessGoogle ratingDistance
Ac & Htng. Technical Services5.0★ (2)11 mi
Advance Plumbing Contractors2.0★ (1)In Diboll
Angelina County Service Company14 mi
City Wide Services5.0★ (2)10 mi
East Texas Aire5.0★ (1)11 mi
Enterprise AC & Heating19 mi
Hannah's Refrigeration5.0★ (1)12 mi
Ken's Heating &Air Conditioning10 mi
Lufkin Heating & Air Conditioning4.5★ (2)10 mi

How much do HVAC contractors cost in Diboll?

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

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

We scored 24 Diboll 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 Diboll 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 Diboll: frequently asked questions

Who is the best HVAC contractor in Diboll?

By CR Score, the highest-ranked HVAC contractor in Diboll, TX is McWilliams Heating, Cooling and Plumbing with a CR Score of 68/100. It has 4.9★ from 1,593 Google reviews. It is open 24/7. Bentley's Air Conditioning & Refrigeration (#2) and Strickland Plumbing, HVAC & Electric, Inc. (#3) follow. We ranked 24 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Diboll?

ContractorsRanked ranks 24 HVAC contractors serving Diboll, TX. 5 of them are based in Diboll; the rest serve it from nearby towns. Another 9 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Diboll are open 24/7?

8 ranked HVAC contractors in Diboll post 24/7 hours. The highest-ranked are McWilliams Heating, Cooling and Plumbing (#1), Bentley's Air Conditioning & Refrigeration (#2) and Strickland Plumbing, HVAC & Electric, Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Diboll work on weekends?

13 of 24 ranked HVAC contractors post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are McWilliams Heating, Cooling and Plumbing (#1), Bentley's Air Conditioning & Refrigeration (#2) and Strickland Plumbing, HVAC & Electric, Inc. (#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 Diboll?

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

What Google rating do Diboll HVAC contractors have?

The median Google rating among 24 rated HVAC contractors in Diboll is 5.0★, with a median of 15 reviews. McWilliams Heating, Cooling and Plumbing has the most, 1,593 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 Diboll?

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 Diboll

  1. October 2026: CR Scores recalculated for 24 hvac contractors serving Diboll.

More HVAC contractors and Diboll pages