HVAC Services in Honolulu, Hawaii

Living in Honolulu, staying comfortable in your home or business requires a reliable climate control system. Whether you are looking for professional AC installation to beat the tropical heat or need prompt AC repair to get your unit back in working order, finding the right HVAC contractor is essential for maintaining your indoor comfort year-round. Our directory connects you with top-rated, experienced HVAC professionals across the island. From routine HVAC maintenance to complex commercial… Read more

HVAC Pros in Honolulu, Hawaii

Local contractors · compare & call directly

All HVAC pros in Hawaii

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66 pros found · page 1 of 2

SkyBlue Pool Service & Repair

3139 Ala Ilima St #505, Honolulu, HI 96818, USA

Serves Honolulu

Water Treatment Emergency HVAC

5.0 (26) · via Google

Website

AAA BestWater Co

2002 Homerule St, Honolulu, HI 96819, USA

Based in Honolulu

Water Treatment

5.0 (9) · via Google

Website

AC Cleaning Hawaii

4348 Waialae Ave #635, Honolulu, HI 96816, USA

Based in Honolulu

AC Services Maintenance & Tune-up Ductwork Services

4.9 (31) · via Google

Website

Waialae Plumbing & Construction

825 Halekauwila St D Ste D, Honolulu, HI 96813, USA

Based in Honolulu

Plumbing Services Water Heaters

4.9 (269) · via Google

Website

Alpha Omega Plumbing Inc

3159 A Koapaka St, Honolulu, HI 96819, USA

Based in Honolulu

Plumbing Services Water Heaters

4.9 (74) · via Google

Website

Fuse Hawai'i

94-1388 Moaniani St Unit 216, Waipahu, HI 96797, USA

Serves Honolulu

AC Services Heating Services Commercial HVAC

4.8 (208) · via Google

Website

Hawaiian Cool Water, LLC

2002 Homerule St, Honolulu, HI 96819, USA

Based in Honolulu

Water Treatment

4.2 (26) · via Google

Website

YZ Pro LLC

3075 Ala Poha Pl Apt 1809, Honolulu, HI 96818, USA

Serves Honolulu

Heating Services Heat Pumps Water Heaters

4.2 (49) · via Google

Website

Advanced A/C Contracting

1750 Auiki St, Honolulu, HI 96819, USA

Serves Honolulu

AC Services Heating Services Maintenance & Tune-up

3.8 (19) · via Google

Website

It's Electric Hawaii

1737 Clark St, Honolulu, HI 96822, USA

Based in Honolulu

Electrical Services

3.4 (9) · via Google

Website

Air Source Air Conditioning

2007 Republican St, Honolulu, HI 96819, USA

Based in Honolulu

AC Services Commercial HVAC Furnace Services

4.9 (181) · via Google

Website

Stagg Electric LLC.

912 Puuhale Rd, Honolulu, HI 96819, USA

Based in Honolulu

Electrical Services

4.8 (51) · via Google

Website

HVAC Services in Honolulu

AC Services Heating Services Commercial HVAC Ductwork Services Electrical Services Energy Efficient Solutions Heat Pumps Indoor Air Quality Plumbing Services Water Heaters Water Treatment Furnace Services Thermostat Services Emergency HVAC Maintenance & Tune-up Air Duct Cleaning

About HVAC in Honolulu

Our directory connects you with top-rated, experienced HVAC professionals across the island. From routine HVAC maintenance to complex commercial HVAC projects, these experts provide the quality service you need to ensure your cooling systems run efficiently. Explore our list to find local, licensed, and insured technicians ready to help with your heating and cooling requirements.

Honolulu Climate & HVAC Needs

Honolulu experiences a consistently warm climate, with average summer temperatures hovering around 82.5°F and winter lows rarely dipping below 77.5°F. Because the system is running almost year-round, energy efficiency and regular maintenance are vital to preventing high energy bills and premature equipment failure. Protecting your system from the salty coastal air and ensuring proper airflow is key to longevity in this unique environment.

HVAC Tips for Honolulu

Schedule professional HVAC maintenance twice a year to ensure your system runs at peak efficiency and to catch minor issues before they become costly repairs.
Change your air filters every 1 to 3 months to maintain healthy indoor air quality and prevent the AC coil from freezing or overworking.
Keep the outdoor condenser unit clear of vegetation and debris to ensure proper airflow, which helps reduce energy consumption and lowers your monthly utility bills.
If your AC is blowing warm air or the thermostat is not working correctly, check your circuit breaker and filter before scheduling an emergency service call.
Always hire a licensed and insured HVAC contractor to ensure your system installation or repair meets local safety standards and quality expectations.

Frequently Asked Questions

How much does HVAC service cost in Honolulu?

Service costs vary based on the complexity of the issue, the type of system, and the parts required. Most contractors charge a standard service call fee to diagnose the problem, after which they will provide an upfront estimate for labor and materials.

Is it better to repair or replace my AC system?

If your system is over 10-15 years old, requires frequent repairs, or has a major component failure like a compressor, replacement is often more cost-effective. A professional technician can assess your unit's SEER rating and provide a recommendation based on repair costs versus long-term energy savings.

Do local contractors offer emergency or same-day service?

Many top-rated HVAC companies in Honolulu understand that cooling is essential. While availability fluctuates, many offer same-day service, after-hours, or weekend appointments for emergency situations like a total system failure.

How do I choose a reliable, licensed HVAC contractor?

Look for companies that are fully licensed, insured, and bonded. Checking for NATE or EPA certifications and reading verified customer reviews can help you identify local, professional, and trusted service providers.

How often should I schedule HVAC maintenance?

Because of Honolulu's year-round warmth, it is recommended to have your system serviced at least twice a year. Regular maintenance plans can help extend the life of your equipment and prevent common issues like leaking water or strange noises.

What are the common signs that I need an HVAC repair?

Common warning signs include the AC not turning on, the furnace or AC blowing cold/warm air when it shouldn't, unusual noises, persistent leaking water, or a thermostat that fails to communicate with your system.

Nearby Cities

HVAC in Honolulu — by the numbers

Listed pros: 86
With a phone: 99%
With a website: 77%
Median rating: 4.7★; from 72 rated pros
Cooling degree days: 4,429
Heating degree days: -7,777
Avg. electricity: 40.6¢/kWh

Most common services here: AC Services, Electrical Services, Heating Services, Maintenance & Tune-up.

Compiled from listings on this site and public data sources (U.S. Census, NOAA). Last updated Oct 21, 2026.

HVAC Cost Guide

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All HVAC services in Hawaii