The Best Air Duct Cleaning Services in Cullman, AL
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 27,952 Google reviews of 28 top-rated air duct cleaning services nationwide; 10 of them in Cullman, AL. Updated October 28, 2026.
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Best air duct cleaning services in Cullman for general carpet cleaning
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Carpet Cleaning in Cullman AlabamaHow Job match is calculatedBuilt only from reviews Google tagged “General carpet cleaning”:Stars on this job 55%4.97★Number of such jobs 25%32Overall Experts Score 20%96Job match= 96Stars are pulled toward the category average (4.91★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.96
Davis Carpet Cleaning PlusHow Job match is calculatedBuilt only from reviews Google tagged “General carpet cleaning”:Stars on this job 55%5.00★Number of such jobs 25%20Overall Experts Score 20%95Job match= 94Stars are pulled toward the category average (4.91★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.94Job match = this company’s ★ on reviews Google tagged “General carpet cleaning” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about general carpet cleaning
Davis Carpet Cleaning PlusTony does an amazing job! He has very great prices and takes his time on his work! He done our camper carpet & furniture and it smells and looks amazing! He had it cleaned in a good timely manner too! I would 100% recommend this trustworthy and professional skills on cleaning your carpet!
Carpet Cleaning in Cullman AlabamaVery friendly and professional. They did a good job. The master bedroom turned out great. The other rooms were better but to be fair they were in bad shape. Although they were 35 minutes late I'd use them again. They were great guys!
Davis Carpet Cleaning PlusTony (Davis) was very quick to act and place me on the schedule. He did a fantastic job and was very friendly with my dog. If you need someone who will do a great job and offer a Great Price--- ask Tony (Davis), and he will set up right!!! Thanks for your time and fantastic work Tony.
Davis Carpet Cleaning PlusWe moved into a new home with white carpet...and Davis Carpet Cleaning Plus worked some magic with it! He came out the same day, gave us a quote and had time to do the work while he was there. My husband and I were very happy with the quality of his work at a fair price. We will definitely call again when those white carpets needs some TLC!
Carpet Cleaning in Cullman AlabamaHe did an amazing job on our dirty and very stained carpets, and was able to fit us in on short notice. 10/10 would recommend.
Davis Carpet Cleaning PlusThe guy showed up on time, he was real nice and had patience with my three kids, very respectful!! He got out all the stains in the carpet, they look brand new!! It didn’t take a lot of time, great prices!! I will definitely be using them again!!
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of air duct cleaning services).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  All Around Heating & CoolingCullman, AL | A 100How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%100+58.7Reliability 26%99+25.8Value 15%100+15.2Experts Score= 100Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 5.00 | $322 |
| 2 |  Cullman Heating & Air - HVAC ContractorCullman, AL | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%100+58.7Reliability 26%98+25.6Value 15%100+15.2Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | $337 |
| 3 |  Southeastern Kitchen Exhaust CleaningCullman, AL | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%99+58.1Reliability 26%98+25.6Value 15%94+14.3Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 5.00 | — |
| 4 | Carpet Cleaning in Cullman AlabamaCullman, AL | A 96How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty84−1.6Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | $206 |
| 5 |  High Caliber MechanicalCullman, AL | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%85+6Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.96 | $529 |
| 6 |  Cullman Cleaning Co.Cullman, AL | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%85+6Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | $275 |
| 7 | Davis Carpet Cleaning PlusCullman, AL | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty88−1.2Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | $211 |
| 8 |  Bama Air Systems Mechanical Contractors, IncCullman, AL | A 94How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%93+50.7Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.94 | $322 |
| 9 |  Proper Climate, IncCullman, AL | A 80How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%85+46.4Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%86+6.1Craft & service penalty72−2.8Momentum penalty77−2.3Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABBABA | 4.86 | $185 |
| 10 |  Cleaning and More CullmanCullman, AL | A 80How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%80+50.8Reliability 28%73+20.6Replies to reviews 8%100+8.2Experts Score= 80Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB––AA | 4.77 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| HVAC duct & vent cleaning | $478 | $593 | $742 | 99% |
| HVAC system maintenance | $54 | $209 | $581 | 98% |
| Heating system maintenance | $37 | $114 | $219 | 98% |
| A/C system maintenance | $26 | $83 | $251 | 98% |
| HVAC system repair | $148 | $340 | $642 | 96% |
| Heating system repair | $124 | $258 | $809 | 96% |
| Heating system installation | $1.2k | $1.9k | $2.8k | 99% |
| Install AC | $2.1k | $2.8k | $4.3k | 99% |
| A/C system repair | $158 | $351 | $730 | 96% |
| Cleaning | $99 | $443 | $554 | 99% |
| HVAC duct & vent repair | $276 | $506 | $771 | 96% |
| Installation | $1.2k | $1.7k | $2.4k | 98% |
Air Duct Cleaning Services in Cullman, AL at a glance
How the 10 air duct cleaning services we rated in Cullman, AL compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A10100%
- Grade B00%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up880%
- 4.80–4.89★110%
- 4.60–4.79★110%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality5,84821%
- Professionalism6,52624%
- Responsiveness5,23019%
- Punctuality5,50720%
- Value4,23715%
Was the price fair?
All price verdicts left with reviews.
- Great price1,45331%
- Reasonable2,77159%
- Overpriced1283%
- Not sure3327%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.