52 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waipahu: Cool Breeze AC, CR Score 87/100; 5.0★ from 37 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 Waipahu HVAC contractors are ranked here by CR Score, from 8 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 | Cool Breeze AC | 87 | 5.0★ (37) | Kapolei, 5 mi away | 24/7 | Overall |
| 2 | Steve’s Plumbing & A/C Service | 87 | 4.8★ (4,823) | Pearl City, 7 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Ultimate Air Conditioning - Hawaii | 87 | 5.0★ (39) | Pearl City, 7 mi away | 24/7 | — |
| 4 | Affordable Home AC | 85 | 5.0★ (4) | Village Park, 1 mi away | 24/7 | — |
| 5 | Fuse Hawai'i | 83 | 4.8★ (161) | Waipahu | Sat | — |
| 6 | Air-O-Smith | 83 | 3.7★ (3) | Waimalu, 4 mi away | 24/7 | — |
| 7 | Hawaii Air Experts LLC | 82 | 5.0★ (5) | Schofield Barracks, 7 mi away | 24/7 | — |
| 8 | Oahu Electric and Air | 81 | 4.9★ (35) | Waipahu | 24/7 | — |
| 9 | Island Cooling | 80 | 4.9★ (309) | Kailua, 15 mi away | Sat | — |
| 10 | Carrier Hawaii | 80 | 4.3★ (4) | Waipahu | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 5.0★ from 37 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pearl City, 7 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 4,823 Google reviews, the most Google reviews on this list (4,823).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pearl City, 7 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Village Park, 1 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waipahu
Ranked #5 because of its Google rating and trade focus: 4.8★ from 161 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waimalu, 4 mi away
Ranked #6 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Schofield Barracks, 7 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waipahu
Ranked #8 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kailua, 15 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 309 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waipahu
Ranked #10 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Waimalu, 5 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Pearl City, 4 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 139 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pearl City, 6 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kaneohe, 7 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 6 of 8 factors; credentials and recency not yet collected.
Based in Honolulu, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 303 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waipahu
Ranked #16 because of its Google rating and trade focus: 4.8★ from 98 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kapolei, 5 mi away
Ranked #17 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Waipahu
Ranked #18 because of its Google rating and trade focus: 4.6★ from 124 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kapolei, 4 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Honolulu, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 18 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waianae, 12 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 105 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kaneohe, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pearl City, 7 mi away
Ranked #23 because of its Google rating and trade focus: 3.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kapolei, 5 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kaneohe, 9 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile. We publish the top 34 of 52 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Air Extreme | 76 | 1.0★ (3) | In Waipahu |
| 28 | Js Handyman & Ac Services | 76 | 5.0★ (42) | 7 mi |
| 30 | Craig's Air Conditioning, Inc. | 75 | 4.7★ (58) | 7 mi |
| 31 | Tino's HVAC | 75 | 5.0★ (5) | 9 mi |
| 33 | NS Air Conditioning | 75 | 4.4★ (17) | In Waipahu |
| 34 | Rutan Refrigeration & Air Conditioning | 75 | 4.6★ (54) | 7 mi |
National price ranges in USD, not adjusted for Waipahu. 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 Waipahu 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 Waipahu 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 |