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Best HVAC Contractors in Nānākuli, HI (2026)

52 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Nānākuli: Cool Breeze AC, CR Score 58/100; 5.0★ from 37 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Ultimate Air Conditioning - Hawaii, posts 24/7 hours; ranked #2 of 52.

  3. 3

    Most-reviewed: Steve’s Plumbing & A/C Service, 4,823 Google reviews at 4.8★, the most of 52 ranked; ranked #3.

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

52 Nānākuli 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.

Most of this list also appears on the HVAC contractors in ‘Ewa Gentry ranking. See HVAC contractors in ‘Ewa Gentry

Top 10 HVAC contractors in Nānākuli at a glance

Top 10 HVAC contractors in Nānākuli at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cool Breeze AC585.0★ (37)Kapolei, 10 mi away24/7Overall
2Ultimate Air Conditioning - Hawaii585.0★ (39)Pearl City, 14 mi away24/7Emergencies
3Steve’s Plumbing & A/C Service574.8★ (4,823)Pearl City, 16 mi away24/7Most reviews
4Fuse Hawai'i564.8★ (161)Waipahu, 10 mi awaySat—
5Affordable Home AC555.0★ (4)Village Park, 9 mi away24/7—
6KK Air Conditioning555.0★ (139)Pearl City, 13 mi away——
7Hawaii Air Experts LLC545.0★ (5)Schofield Barracks, 13 mi away24/7—
8Island Cooling544.9★ (309)Kailua, 25 mi awaySat—
9Air Masters Inc544.9★ (303)Honolulu, 18 mi away——
10Air-O-Smith543.7★ (3)Waimalu, 10 mi away24/7—

The 52 best HVAC contractors in Nānākuli, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Nānākuli

    #1 Cool Breeze AC

    Based in Kapolei, 10 mi away

    58/100CR Score

    Ranked #1 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.

    • 5.0★ from 37 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    91-1087 Kaimalie St Apartment 2r1, Ewa Beach, HI 96706
    View profile for Cool Breeze AC(808) 436-4342

  4. #4 Fuse Hawai'i

    Based in Waipahu, 10 mi away

    56/100CR Score

    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.

    • 4.8★ from 161 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun closed
    Address
    94-1388 Moaniani St Unit 216, Waipahu, HI 96797
    View profile for Fuse Hawai'i(808) 482-5777

  5. #5 Affordable Home AC

    Based in Village Park, 9 mi away

    55/100CR Score

    Ranked #5 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.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Affordable Home AC(808) 488-1111

  6. #6 KK Air Conditioning

    Based in Pearl City, 13 mi away

    55/100CR Score

    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.

    • 5.0★ from 139 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    98-723 Kuahao Pl Suite B2, Pearl City, HI 96782
    View profile for KK Air Conditioning(808) 680-0143

  7. #7 Hawaii Air Experts LLC

    Based in Schofield Barracks, 13 mi away

    54/100CR Score

    Ranked #7 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.

    • 5.0★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Hawaii Air Experts LLC(910) 885-8720

  8. #8 Island Cooling

    Based in Kailua, 25 mi away

    54/100CR Score

    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.

    • 4.9★ from 309 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat 9 AM–3 PM · Sun closed
    Address
    201 Kapaa Quarry Pl Building 28, Unit 2807, Kailua, HI 96734
    View profile for Island Cooling(808) 672-2300

  9. #9 Air Masters Inc

    Based in Honolulu, 18 mi away

    54/100CR Score

    Ranked #9 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.

    • 4.9★ from 303 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    1721 Republican St, Honolulu, HI 96819
    View profile for Air Masters Inc(808) 848-2473

  10. #10 Air-O-Smith

    Based in Waimalu, 10 mi away

    54/100CR Score

    Ranked #10 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.

    • 3.7★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    94-501 Alapoai St, Mililani, HI 96789
    View profile for Air-O-Smith(808) 523-7767

  12. #12 Hi State Services LLC

    Based in Waipahu, 10 mi away

    54/100CR Score

    Ranked #12 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.

    • 4.8★ from 98 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    94-356 Ukeʻe St C, Waipahu, HI 96797
    View profile for Hi State Services LLC(808) 741-8252

  13. #13 Aire Conditioner Shoppe

    Based in Waipahu, 10 mi away

    54/100CR Score

    Ranked #13 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.

    • 4.6★ from 124 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    94-529 Ukeʻe St #105, Waipahu, HI 96797
    View profile for Aire Conditioner Shoppe(808) 676-1455

  14. #14 Craig's Air Conditioning, Inc.

    Based in Kapolei, 7 mi away

    54/100CR Score

    Ranked #14 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.

    • 4.7★ from 58 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    2110 Lauwiliwili St Unit 103H, Kapolei, HI 96707
    View profile for Craig's Air Conditioning, Inc.(808) 682-0970

  16. #16 Island Comfort

    Based in Pearl City, 16 mi away

    53/100CR Score

    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.

    • 4.4★ from 93 Google reviews
    Hours
    Mon–Fri 7:30 AM–6 PM · Sat 8 AM–4 PM · Sun closed
    Address
    99-900 Iwaena St, Aiea, HI 96701
    View profile for Island Comfort(808) 797-2990

  17. #17 Js Handyman & Ac Services

    Based in Pearl City, 14 mi away

    53/100CR Score

    Ranked #17 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.

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    View profile for Js Handyman & Ac Services(808) 940-2667

  18. #18 HI Portable Air

    Based in Kaneohe, 14 mi away

    53/100CR Score

    Ranked #18 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.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Sun 6 AM–9:30 PM
    View profile for HI Portable Air(808) 852-1701

  19. #19 Empowered Electric LLC

    Based in Kapolei, 10 mi away

    53/100CR Score

    Ranked #19 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.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Sat 8 AM–7 PM · Sun closed
    Address
    91 Keaunui Dr, Ewa Beach, HI 96706
    View profile for Empowered Electric LLC(808) 375-3316

  20. #20 Cool living llc

    Based in Waimalu, 10 mi away

    53/100CR Score

    Ranked #20 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.

    • 4.7★ from 7 Google reviews
    Address
    Mililani, HI 96789
    View profile for Cool living llc(808) 861-7377

  21. #21 Igloo AC

    Based in Kaneohe, 18 mi away

    52/100CR Score

    Ranked #21 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.

    • 4.9★ from 89 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    View profile for Igloo AC(808) 797-0039

  22. #22 Pristine Air Conditioning Corp

    Based in Kapolei, 6 mi away

    52/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 16 Google reviews
    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
    Address
    2045 Lauwiliwili St, Kapolei, HI 96707
    View profile for Pristine Air Conditioning Corp(808) 227-4566

  24. #24 Carrier Hawaii

    Based in Kapolei, 6 mi away

    52/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 23 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    2060 Lauwiliwili St, Kapolei, HI 96707
    View profile for Carrier Hawaii(808) 677-6339

HVAC contractors ranked #27 to #40

#1 to #25 are shown in full above. Here are #27 to #40, in CR Score order; each links to its profile. We publish the top 40 of 52 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Nānākuli, ranks 27 to 40
RankBusinessCR ScoreGoogle ratingDistance
27Oahu Electric and Air524.9★ (35)10 mi
29Carrier Hawaii524.3★ (4)10 mi
32Central Air Systems513.7★ (3)10 mi
37Air Extreme501.0★ (3)10 mi
38Tino's HVAC505.0★ (5)18 mi
40Harla's Plumbing505.0★ (10)11 mi

How much do HVAC contractors cost in Nānākuli?

National price ranges in USD, not adjusted for Nānākuli. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Nānākuli?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Hawaii

In Hawaii, Hawaii Contractors License Board (DCCA) licenses C-52 ventilating and air conditioning specialty contractor license.

  1. Search the business name or license number on the Hawaii Contractors License Board (DCCA) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

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

When to hire an HVAC contractor in Hawaii

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.

How we ranked Nānākuli HVAC contractors

We scored 52 Nānākuli 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Nānākuli data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Nānākuli: frequently asked questions

Who is the best HVAC contractor in Nānākuli?

By CR Score, the highest-ranked HVAC contractor in Nānākuli, HI is Cool Breeze AC with a CR Score of 58/100. It has 5.0★ from 37 Google reviews. It is open 24/7. Ultimate Air Conditioning - Hawaii (#2) and Steve’s Plumbing & A/C Service (#3) follow. We ranked 52 HVAC contractors on ten factors, last updated October 22, 2026.

Which HVAC contractors in Nānākuli are open 24/7?

8 ranked HVAC contractors in Nānākuli post 24/7 hours. The highest-ranked are Cool Breeze AC (#1), Ultimate Air Conditioning - Hawaii (#2) and Steve’s Plumbing & A/C Service (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Nānākuli work on weekends?

22 of 52 ranked HVAC contractors post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Cool Breeze AC (#1), Ultimate Air Conditioning - Hawaii (#2) and Steve’s Plumbing & A/C Service (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Hawaii?

In Hawaii, Hawaii Contractors License Board (DCCA) handles licensing and covers C-52 ventilating and air conditioning specialty contractor license. Search the business or license number at https://mypvl.dcca.hawaii.gov/public-license-search/.

How much does ac replacement cost in Nānākuli?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Nānākuli. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Nānākuli HVAC contractors have?

The median Google rating among 52 rated HVAC contractors in Nānākuli is 4.8★, with a median of 12 reviews. Steve’s Plumbing & A/C Service has the most, 4,823 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Nānākuli?

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.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Nānākuli

  1. October 2026: CR Scores recalculated for 52 hvac contractors serving Nānākuli.

More HVAC contractors and Nānākuli pages

Other trades in Nānākuli