Best HVAC companies in Decatur, AL

The highest-scoring HVAC company in and near Decatur is Jackson Plumbing, Heating, Cooling, Septic, Electrical (score 90, 4.9 stars from 2,720 Google reviews). 15 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 1, 2026How we rank
  1. 1

    Jackson Plumbing, Heating, Cooling, Septic, Electrical

    4.9 · 2,720 Google reviewsDecatur, AL39 years in business

    Jackson Plumbing, Heating, Cooling, Septic, Electrical has served homeowners in North Alabama since 1987. The company provides plumbing, heating, air conditioning, septic, electrical, and indoor air quality services f…

    Emergency serviceFinancing availableBackground-checked
    90SCORE
  2. 2

    Valley Heating & Cooling

    4.9 · 3,263 Google reviewsDecatur, AL
    83SCORE
  3. 3

    Fuller Heating, Air Conditioning, Plumbing & Electrical

    4.9 · 92 Google reviewsAthens, AL30 years in business

    Fuller Heating, Air Conditioning, Plumbing & Electrical - Athens & Madison serves homeowners and businesses in Athens, AL, with heating, cooling, plumbing, electrical, drain, and sewer work. Its HVAC services include…

    Financing availableEmergency service
    82SCORE
  4. 4

    Integrity Services Heating and Cooling

    4.9 · 1,395 Google reviewsMadison, AL
    80SCORE
  5. 5

    Higdon Service Heating, Cooling, Plumbing

    4.8 · 2,117 Google reviewsDecatur, AL
    77SCORE
  6. 6

    Gear Electric

    5.0 · 175 Google reviews
    77SCORE
  7. 7

    Environmental Comfort Systems

    5.0 · 266 Google reviewsDecatur, AL
    75SCORE
  8. 8

    Comfort Masters of North Alabama

    4.9 · 129 Google reviewsAthens, AL
    71SCORE
  9. 9

    Lee Company

    4.7 · 860 Google reviewsMadison, AL
    70SCORE
  10. 10

    Air Repair AL

    4.9 · 587 Google reviewsDecatur, AL
    68SCORE
  11. 11

    Conlon Heating and Cooling

    4.9 · 47 Google reviewsMadison, AL
    68SCORE
  12. 12

    Don Carter Heating & Cooling

    4.8 · 173 Google reviewsAthens, AL
    67SCORE
  13. 13

    MPE Services

    4.8 · 196 Google reviewsMadison, AL
    66SCORE
  14. 14

    Bobby Terry Company, Inc.

    4.7 · 164 Google reviewsAthens, AL
    65SCORE
  15. 15

    Williams Heating And Cooling, LLC

    4.9 · 74 Google reviewsDecatur, AL
    61SCORE

Compare the top 10

Top HVAC companies in Decatur by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Jackson Plumbing, Heating, Cooling, Septic, Electrical904.92,72039Decatur
2Valley Heating & Cooling834.93,263–Decatur
3Fuller Heating, Air Conditioning, Plumbing & Electrical824.99230Athens
4Integrity Services Heating and Cooling804.91,395–Madison
5Higdon Service Heating, Cooling, Plumbing774.82,117–Decatur
6Gear Electric775.0175–
7Environmental Comfort Systems755.0266–Decatur
8Comfort Masters of North Alabama714.9129–Athens
9Lee Company704.7860–Madison
10Air Repair AL684.9587–Decatur

HVAC companies in Decatur: quick answers

Who is the highest-rated HVAC company in Decatur, AL?

Jackson Plumbing, Heating, Cooling, Septic, Electrical has the highest 5 Star Score among HVAC companies in and near Decatur: 90 out of 100, with a 4.9 star Google rating from 2,720 reviews.

How many 5 Star HVAC companies serve Decatur?

15 HVAC companies meet our standard within about 16 miles of Decatur: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 15 have 12,258 Google reviews between them, averaging 4.87 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

HVAC companies near Decatur

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.