111 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Picayune: Mike's Heating & A/C Service, CR Score 63/100; 4.9★ from 427 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): One Hour Air Conditioning & Heating, posts 24/7 hours; ranked #4 of 111.
Most-reviewed: One Hour Air Conditioning & Heating, 1,953 Google reviews at 4.8★, the most of 111 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
111 Picayune HVAC contractors are ranked here by CR Score, from ten published factors. 35 are open 24/7, 67 open Saturdays and 49 open Sundays, based on posted hours. The median Google rating is 4.9★ across 111 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mike's Heating & A/C Service | 63 | 4.9★ (427) | Carriere, 5 mi away | Sat · Sun · Evenings | Overall |
| 2 | Campo Heating & Air | 63 | 4.9★ (463) | Picayune | Sat | — |
| 3 | KDC Air & Heat | 62 | 5.0★ (201) | Picayune | Sat | — |
| 4 | One Hour Air Conditioning & Heating | 61 | 4.8★ (1,953) | Mandeville, 25 mi away | 24/7 | Emergencies, Most reviews |
| 5 | Airsmiths Cooling & Heating | 61 | 5.0★ (440) | Mandeville, 23 mi away | 24/7 | — |
| 6 | Vallee Air Conditioning and Heating | 60 | 5.0★ (267) | Eden Isle, 21 mi away | 24/7 | — |
| 7 | White Dove A/c And Heating Llc. | 60 | 4.8★ (42) | Picayune | Sat · Sun · Evenings | — |
| 8 | Natal's Air Conditioning, Plumbing & Electrical | 60 | 4.9★ (234) | Slidell, 20 mi away | 24/7 | — |
| 9 | Jimmyz AC & Heating LLC | 59 | 4.5★ (16) | Picayune | 24/7 | — |
| 10 | Central Heating & A/C Repairs | 59 | 4.9★ (163) | Slidell, 19 mi away | 24/7 | — |
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 because of its Google rating and trade focus: 4.9★ from 427 Google reviews, listed on Google as “Furnace repair service”.
Based in Picayune
Ranked #2 because of its Google rating and trade focus: 4.9★ from 463 Google reviews, listed on Google as “HVAC contractor”.
Based in Picayune
Ranked #3 because of its Google rating and trade focus: 5.0★ from 201 Google reviews, listed on Google as “HVAC contractor”.
Based in Mandeville, 25 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,953 Google reviews, the most in Picayune.
Based in Mandeville, 23 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Eden Isle, 21 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 267 Google reviews, listed on Google as “Heating contractor”.
Based in Picayune
Ranked #7 because of its Google rating and trade focus: 4.8★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 234 Google reviews, listed on Google as “HVAC contractor”.
Based in Picayune
Ranked #9 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 163 Google reviews, listed on Google as “HVAC contractor”.
Based in Mandeville, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 308 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Carriere, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based in Covington, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 229 Google reviews, listed on Google as “HVAC contractor”.
Based in Covington, 22 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 544 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 18 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 335 Google reviews, listed on Google as “HVAC contractor”.
Based in Covington, 21 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “HVAC contractor”.
Based in Eden Isle, 21 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based in Hammond, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 174 Google reviews, listed on Google as “HVAC contractor”.
Based in Mandeville, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 20 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 18 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,044 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 20 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “HVAC contractor”.
Based in Diamondhead, 20 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based in Carriere, 4 mi away
Ranked #24 because of its Google rating and trade focus: 3.9★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based in Slidell, 21 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 56 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 111 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 |
|---|---|---|
| AirTech Of Waveland | 5.0★ (2) | 20 mi |
| All American Mechanical LLC | 5.0★ (2) | 19 mi |
| ALL AROUND AC & HEATING | 3.0★ (5) | 21 mi |
| All Phase A/C & Heating | 4.0★ (18) | 22 mi |
| Boudreaux's air conditioning and heating | In Picayune | |
| Boudreaux's Air Conditioning and Heating | 5.0★ (1) | In Picayune |
| C. Mitchell Services | In Picayune | |
| Cool Bob's Air Conditioning and Heating | 5.0★ (11) | 20 mi |
| Dale De Bautte A/C Heating Llc | 5.0★ (2) | 18 mi |
| Day and Knight Air Conditioning and Heating | 5.0★ (2) | 18 mi |
| Gabe's AC | 5.0★ (2) | 10 mi |
| Jp air Dr llc | 5.0★ (5) | 17 mi |
| Kat's Kooling A/C & Heating LLC | 4.0★ (4) | 21 mi |
| Larson's AC and Heating | 4.3★ (12) | 16 mi |
| MATRIX HVAC | 5.0★ (2) | 23 mi |
| Mayo's Air Conditioning & Heating | 4.6★ (82) | 25 mi |
| Orgeron Services | 5.0★ (2) | 25 mi |
| Picayune Refrigeration Services | 4.0★ (1) | In Picayune |
| SERVPRO of Bay St. Louis / Diamondhead | 5.0★ (37) | In Picayune |
| Tri Parish A/C & Refrigeration | 5.0★ (2) | 16 mi |
National price ranges in USD, not adjusted for Picayune. 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 Mississippi, 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 111 Picayune 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 Picayune 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 |