52 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mililani Town: Ultimate Air Conditioning - Hawaii, CR Score 60/100; 5.0★ from 39 Google reviews; open 24/7.
Best for emergencies (open 24/7): Steve’s Plumbing & A/C Service, posts 24/7 hours; ranked #2 of 52.
Most-reviewed: Steve’s Plumbing & A/C Service, 4,823 Google reviews at 4.8★, the most of 52 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Mililani Town HVAC contractors are ranked here by CR Score, from ten published factors. 8 are open 24/7, 22 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ultimate Air Conditioning - Hawaii | 60 | 5.0★ (39) | Pearl City, 4 mi away | 24/7 | Overall |
| 2 | Steve’s Plumbing & A/C Service | 59 | 4.8★ (4,823) | Pearl City, 9 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Cool Breeze AC | 59 | 5.0★ (37) | Kapolei, 9 mi away | 24/7 | — |
| 4 | Fuse Hawai'i | 59 | 4.8★ (161) | Waipahu, 2 mi away | Sat | — |
| 5 | Hawaii Air Experts LLC | 57 | 5.0★ (5) | Schofield Barracks, 4 mi away | 24/7 | — |
| 6 | KK Air Conditioning | 57 | 5.0★ (139) | Pearl City, 6 mi away | — | — |
| 7 | Air-O-Smith | 56 | 3.7★ (3) | Waimalu, 1 mi away | 24/7 | — |
| 8 | Island Cooling | 56 | 4.9★ (309) | Kailua, 16 mi away | Sat | — |
| 9 | Affordable Home AC | 56 | 5.0★ (4) | Village Park, 5 mi away | 24/7 | — |
| 10 | Hi State Services LLC | 56 | 4.8★ (98) | Waipahu, 2 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 9 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 4,823 Google reviews, the most in Mililani Town.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kapolei, 9 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 2 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 161 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schofield Barracks, 4 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 139 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waimalu, 1 mi away
Ranked #7 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kailua, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 309 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Village Park, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 2 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 98 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 2 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 124 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Honolulu, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 303 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 4 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaneohe, 4 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waimalu, 1 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Pearl City, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 5 mi away
Ranked #17 because of its Google rating and trade focus: 3.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaneohe, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 2 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaneohe, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 2 mi away
Ranked #21 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Honolulu, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 18 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Honolulu, 10 mi away
Ranked #23 because of its Google rating and trade focus: 3.7★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kapolei, 9 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kapolei, 10 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 52 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 |
|---|---|---|
| 808 Climate Control, LLC | 5.0★ (1) | 14 mi |
| AllSeason Comfort Experts | 5.0★ (1) | 4 mi |
| Alpha Omega Air Conditioning | 5.0★ (1) | 5 mi |
| Alternate Energy Inc. | 4.1★ (51) | 4 mi |
| Carrier Commercial Service | 2 mi | |
| Continental Mechanical Services | 5.0★ (1) | 4 mi |
| Cool Air Specialist | 3.0★ (1) | 3 mi |
| CoolBreeze HVAC Services | 5.0★ (1) | 5 mi |
| Interstate Energy Savers | 2 mi | |
| KK Air Conditioning | 1 mi | |
| Pacific Test and Balance, Inc. - An Integra Company | 2 mi | |
| Power Protection Systems | 2 mi | |
| Prime Air Group HI | 5.0★ (2) | 8 mi |
| Pro Hawaii AC | 5.0★ (1) | 4 mi |
| Quality Air Conditioning & Services | 1 mi | |
| S & R Refrigeration | 4.5★ (2) | 1 mi |
| Shobu's Refrigeration & AC | 5.0★ (2) | 10 mi |
| Superior Technology & Supplies Corp | 5.0★ (1) | 5 mi |
| THE AC GUYS LLC | 5.0★ (2) | 7 mi |
| Top Notch AC & Mechanical | 5.0★ (1) | 7 mi |
National price ranges in USD, not adjusted for Mililani Town. 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 Hawaii, Hawaii Contractors License Board (DCCA) licenses C-52 ventilating and air conditioning specialty contractor license.
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 Hawaii, 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 52 Mililani Town 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 Mililani Town 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 |