110 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Donaldsonville: River City's One Hour Air Conditioning and Heating, CR Score 62/100; 4.9★ from 5,963 Google reviews; open 24/7.
Best for emergencies (open 24/7): Southern Air Heating, Cooling, & Plumbing, posts 24/7 hours; ranked #2 of 110.
Most-reviewed: Southern Air Heating, Cooling, & Plumbing, 2,986 Google reviews at 4.9★, the most of 110 ranked after River City's One Hour Air Conditioning and Heating; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
110 Donaldsonville HVAC contractors are ranked here by CR Score, from ten published factors. 42 are open 24/7, 75 open Saturdays and 62 open Sundays, based on posted hours. The median Google rating is 4.9★ across 110 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | River City's One Hour Air Conditioning and Heating | 62 | 4.9★ (5,963) | Baton Rouge, 23 mi away | 24/7 | Overall |
| 2 | Southern Air Heating, Cooling, & Plumbing | 62 | 4.9★ (2,986) | Baton Rouge, 20 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Air Vantage | 61 | 5.0★ (31) | Donaldsonville | 24/7 | — |
| 4 | Broussard's Cooling & Heating LLC | 60 | 5.0★ (14) | Donaldsonville | 24/7 | — |
| 5 | Kelly Scott One Hour Air Conditioning and Heating | 59 | 4.8★ (158) | Gonzales, 12 mi away | 24/7 | — |
| 6 | Merritt Heating & Air, LLC | 59 | 4.9★ (298) | Plaquemine, 19 mi away | 24/7 | — |
| 7 | Murry's AC, Heating, & Electrical | 59 | 5.0★ (187) | Gonzales, 12 mi away | Sat · Sun | — |
| 8 | Nick's Refrigeration Service Inc | 59 | 4.9★ (464) | Thibodaux, 23 mi away | 24/7 | — |
| 9 | GeauxHVAC | 59 | 4.9★ (152) | Gonzales, 11 mi away | Sat · Sun | — |
| 10 | Glaze Heating & Air, LLC | 58 | 4.9★ (1,318) | Gonzales, 11 mi away | — | — |
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.
Ranked #1 in Donaldsonville
Based in Baton Rouge, 23 mi away
Ranked #1 because of its Google rating and review volume: 4.9★ from 5,963 Google reviews, the most in Donaldsonville.
Based in Baton Rouge, 20 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,986 Google reviews, listed on Google as “HVAC contractor”.
Based in Donaldsonville
Ranked #3 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based in Donaldsonville
Ranked #4 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Gonzales, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 158 Google reviews, listed on Google as “HVAC contractor”.
Based in Plaquemine, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 298 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Gonzales, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “HVAC contractor”.
Based in Thibodaux, 23 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 464 Google reviews, listed on Google as “HVAC contractor”.
Based in Gonzales, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 152 Google reviews, listed on Google as “HVAC contractor”.
Based in Gonzales, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,318 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Thibodaux, 25 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 1,028 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 20 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 187 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 178 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 203 Google reviews, listed on Google as “HVAC contractor”.
Based in Prairieville, 13 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based in Gonzales, 12 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “HVAC contractor”.
Based in Donaldsonville
Ranked #18 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based in Gonzales, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 23 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 230 Google reviews, listed on Google as “HVAC contractor”.
Based in Denham Springs, 23 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “HVAC contractor”.
Based in Baton Rouge, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based in Denham Springs, 24 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 124 Google reviews, listed on Google as “HVAC contractor”.
Based in Thibodaux, 23 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 110 ranked HVAC contractors here; the rest are on their profiles.
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.
| Business | Google rating | Distance |
|---|---|---|
| Abbott Thibodeaux Heating & AC Co | 5.0★ (2) | 17 mi |
| Air Care 360 | 5.0★ (1) | 10 mi |
| AIRTEK SERVICES,LLC | 3.0★ (2) | 20 mi |
| All Star Heating & Air LLC | 5.0★ (3) | 13 mi |
| Alton's Heating & Air | 4.8★ (6) | 20 mi |
| Ballard's Air Conditioning | 5.0★ (2) | 24 mi |
| Broussard Mechanical Contractors, LLC | 5.0★ (2) | 14 mi |
| CMC Corporate Solutions | 5.0★ (2) | 19 mi |
| Cooper's Heating & A/C, LLC | In Donaldsonville | |
| Dannyboy’s HVAC | 5.0★ (5) | 23 mi |
| Deep South Heating & A.C LLC | 5.0★ (1) | 11 mi |
| Doug's Service Company | 4.3★ (3) | 25 mi |
| Garland Mechanical Services | 5.0★ (2) | 25 mi |
| Home360 Inc. | 4.8★ (282) | 20 mi |
| J & M Boiler | 3.0★ (2) | 20 mi |
| Louisiana Air Systems, Inc. | 4.2★ (17) | 22 mi |
| Mark's Maintenance Service LLC | 3.0★ (2) | 20 mi |
| Porta Heating & Air Conditioning | 5.0★ (2) | 10 mi |
| Reliable Air Conditioning | 5.0★ (1) | 14 mi |
| Trane Commercial Sales Office | 4.5★ (2) | 20 mi |
National price ranges in USD, not adjusted for Donaldsonville. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Louisiana, Louisiana State Licensing Board for Contractors licenses Mechanical contractor licenses.
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
In Louisiana, 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.
We scored 110 Donaldsonville 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.
| Factor | Weight | Computed from | In Donaldsonville data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |