105 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hammond: Foulks Southern Air Heating and Cooling, CR Score 96/100; 4.9★ from 2,622 Google reviews; open 24/7.
Best for emergencies (open 24/7): Hammond One Hour Air Conditioning and Heating, posts 24/7 hours; ranked #2 of 105.
Most-reviewed: Enviro Mechanical Services, 1,001 Google reviews at 4.7★, the most of 105 ranked after Foulks Southern Air Heating and Cooling; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
105 Hammond HVAC contractors are ranked here by CR Score, from 8 published factors. 35 are open 24/7, 66 open Saturdays and 52 open Sundays, based on posted hours. The median Google rating is 4.9★ across 105 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foulks Southern Air Heating and Cooling | 96 | 4.9★ (2,622) | Hammond | 24/7 | Overall |
| 2 | Hammond One Hour Air Conditioning and Heating | 94 | 4.9★ (790) | Hammond | 24/7 | Emergencies |
| 3 | Professional Heating & Air | 94 | 4.9★ (494) | Hammond | 24/7 | — |
| 4 | Enviro Mechanical Services | 93 | 4.7★ (1,001) | Hammond | 24/7 | Most reviews |
| 5 | Nick's Heating & Air Conditioning LLC | 93 | 4.9★ (286) | Hammond | 24/7 | — |
| 6 | Southern HVAC LLC | 93 | 5.0★ (169) | Hammond | 24/7 | — |
| 7 | COMFORT AIR & MECHANICAL LLC | 92 | 4.8★ (286) | Hammond | 24/7 | — |
| 8 | Better Best A/C & Heating | 92 | 4.9★ (174) | Hammond | 24/7 | — |
| 9 | Bayou A/C & Heating, LLC | 92 | 5.0★ (108) | Hammond | 24/7 | — |
| 10 | Expert Air A/C and Heating | 90 | 5.0★ (749) | Covington, 21 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,622 Google reviews, the most Google reviews on this list (2,622).
Based in Hammond
Ranked #2 because of its Google rating and availability: 4.9★ from 790 Google reviews, open 24/7.
Based in Hammond
Ranked #3 because of its Google rating and availability: 4.9★ from 494 Google reviews, open 24/7.
Based in Hammond
Ranked #4 because of its Google rating and availability: 4.7★ from 1,001 Google reviews, open 24/7.
Based in Hammond
Ranked #5 because of its Google rating and availability: 4.9★ from 286 Google reviews, open 24/7.
Based in Hammond
Ranked #6 because of its Google rating and availability: 5.0★ from 169 Google reviews, open 24/7.
Based in Hammond
Ranked #7 because of its Google rating and availability: 4.8★ from 286 Google reviews, open 24/7.
Based in Hammond
Ranked #8 because of its Google rating and availability: 4.9★ from 174 Google reviews, open 24/7.
Based in Hammond
Ranked #9 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
Based in Covington, 21 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 749 Google reviews, open 24/7.
Based in Hammond
Ranked #11 because of its Google rating and trade focus: 4.9★ from 252 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Hammond
Ranked #12 because of its Google rating and availability: 5.0★ from 50 Google reviews, open 24/7.
Based in Covington, 23 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 745 Google reviews, open 24/7.
Based in Covington, 21 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 263 Google reviews, open 24/7.
Based in Covington, 19 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 244 Google reviews, open 24/7.
Based in Ponchatoula, 6 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “HVAC contractor”.
Based in Central, 15 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
Based in Baker, 12 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 455 Google reviews, listed on Google as “HVAC contractor”.
Based in Mandeville, 24 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 239 Google reviews, open 24/7.
Based in Hammond
Ranked #20 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based in Woodmere, 22 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 72 Google reviews, open 24/7.
Based in Hammond
Ranked #22 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based in Central, 19 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 266 Google reviews, listed on Google as “HVAC contractor”.
Based in Ponchatoula, 8 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 259 Google reviews, listed on Google as “HVAC contractor”.
Based in Hammond
Ranked #25 because of its Google rating and trade focus: 5.0★ from 12 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 105 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 |
|---|---|---|
| Alex A/C Refrigeration & Mechanical, LLC | 4.6★ (9) | 15 mi |
| Drinkard Air & Heat | 4.6★ (10) | 21 mi |
| Dusty's Expert Air A/C and Heating | 4.1★ (12) | 24 mi |
| Gallo Mechanical | 5.0★ (3) | In Hammond |
| Helping Hand Services Heating & Air Conditioning | In Hammond | |
| Legacy Contractors Firm LLC | 5.0★ (1) | In Hammond |
| LMK & Sons Electric & HVAC | 3.7★ (9) | 23 mi |
| Louisiana Maintenance Services | In Hammond | |
| N&L Enterprise Contractor Firm | 5.0★ (2) | In Hammond |
| Nextech | In Hammond | |
| Nextech Central | In Hammond | |
| Old Orleans Building And Renovation | In Hammond | |
| Overman's AC & Heating LLC | 2.3★ (3) | In Hammond |
| Precision Air & Liquid Solutions | In Hammond | |
| Pride Services, LLC | In Hammond | |
| PuroClean Emergency Restoration | 5.0★ (27) | 16 mi |
| Sears Heating and Air Conditioning | 5.0★ (1) | In Hammond |
| SERVPRO of Hammond | 4.9★ (45) | In Hammond |
| UBA MECHANICAL, LLC | 5.0★ (1) | In Hammond |
| WaveHvac AC Repairs | In Hammond |
National price ranges in USD, not adjusted for Hammond. 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 105 Hammond HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Hammond data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |