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Emergency HVAC Contractors in Donaldsonville, LA (2026)

Top 50 of 110 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Donaldsonville: River City's One Hour Air Conditioning and Heating, open 24/7.

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

Top emergency HVAC contractors in Donaldsonville at a glance

Top emergency HVAC contractors in Donaldsonville at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1River City's One Hour Air Conditioning and Heating634.9★ (5,963)Baton Rouge, 23 mi away24/7
2Southern Air Heating, Cooling, & Plumbing624.9★ (2,986)Baton Rouge, 20 mi away24/7
3Air Vantage615.0★ (31)Donaldsonville24/7
4Kelly Scott One Hour Air Conditioning and Heating604.8★ (158)Gonzales, 12 mi away24/7
5Broussard's Cooling & Heating LLC605.0★ (14)Donaldsonville24/7
6Merritt Heating & Air, LLC594.9★ (298)Plaquemine, 19 mi away24/7
7Doug's Service Company594.7★ (1,028)Thibodaux, 25 mi away24/7
8Nick's Refrigeration Service Inc594.9★ (464)Thibodaux, 23 mi away24/7
9ClimaServ Heating & Air Conditioning584.9★ (187)Baton Rouge, 20 mi away24/7
10TemperaturePro Baton Rouge584.9★ (178)Baton Rouge, 20 mi away24/7

Call an emergency HVAC contractor in Donaldsonville now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Donaldsonville, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 110 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Air Vantage

    Based in Donaldsonville

    61/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 31 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Air Vantage(225) 717-2277

  13. #13 Air Innovations

    Based in Prairieville, 13 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 37 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Old Jefferson Hwy, Prairieville, LA 70769
    View profile for Air Innovations(225) 963-8243

  15. #15 Smart air llc

    Based in Gonzales, 12 mi away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    41345 Cannon Rd, Gonzales, LA 70737
    View profile for Smart air llc(225) 253-2093

  19. #19 AirWise HVAC Solutions

    Based in Denham Springs, 23 mi away

    57/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 102 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12200 Brandon Rd, Denham Springs, LA 70726
    View profile for AirWise HVAC Solutions(225) 503-9321

Top 50 of 110 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Donaldsonville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26River City Air Xpress565.0★ (45)21 mi
27Bayou Heating and AC565.0★ (43)21 mi
28Barksdale's Heating and Air564.8★ (41)21 mi
29Cannon's HVAC Specialist LLC564.4★ (9)13 mi
30US AIR555.0★ (21)20 mi
31Elite Heating & Air Conditioning LLC555.0★ (10)16 mi
32AC's AC Services555.0★ (11)18 mi
33Proctor's Heating & Air Conditioning Service, LLC.554.9★ (14)21 mi
34Jeffco Heating & Air Conditioning - Prairieville555.0★ (5)15 mi
35Air Innovations545.0★ (4)17 mi
36Alton's Heating & Air544.8★ (6)20 mi
37Baton Rouge Air534.3★ (6)20 mi
38Advantage A/C & Refrigeration534.2★ (5)21 mi
39Dannyboy’s HVAC535.0★ (5)23 mi
40Home360 Inc.524.8★ (282)20 mi
41T and J Air Conditioning and Electrical LLC524.0★ (4)24 mi
42Doug's Service Company514.3★ (3)25 mi
43Bergeron's Heating & Air Conditioning485.0★ (3)In Donaldsonville
44Elite Air and Home Services, LLC475.0★ (29)16 mi
45Sealys Heating & Air Conditioning464.5★ (16)15 mi
46Glaze Heating & Air, LLC454.9★ (1,318)11 mi
47All Star Heating & Air LLC445.0★ (3)13 mi
48Louie's A/C, Heating & Refrigeration Services, Inc.445.0★ (100)In Donaldsonville
49ChillCo, Inc.444.9★ (8)19 mi
50Louisiana Air Systems, Inc.434.2★ (17)22 mi

How we ranked emergency HVAC contractors in Donaldsonville

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Donaldsonville: questions

Which HVAC contractors in Donaldsonville are open 24/7?

25 on this list post 24/7 hours, including River City's One Hour Air Conditioning and Heating, Southern Air Heating, Cooling, & Plumbing, Air Vantage, Kelly Scott One Hour Air Conditioning and Heating and Broussard's Cooling & Heating LLC.

Who is ranked #1 for emergency heating and cooling in Donaldsonville, LA?

River City's One Hour Air Conditioning and Heating is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Donaldsonville ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Donaldsonville

  1. October 2026: CR Scores recalculated for 110 hvac contractors serving Donaldsonville.

More emergency and heating and cooling pages