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Air Conditioning Repair & Heating Repair in Hanalei, HI

Looking for AC repair near you in Hanalei? UST Air Conditioning is the local heating and cooling company Kauai homeowners call when the house is too hot, too cold or too humid. We repair every brand, install new systems and keep them running with affordable maintenance plans.

  • 24/7 emergency service
  • Same-day repairs
  • Flat-rate pricing
  • All brands
Hanalei AC & heating dispatch line
(855) 459-5498
  • AC repair, AC not cooling, emergency 24 hour AC repair
  • Heating, furnace and heat pump repair
  • Mini-split, central air and HVAC installation
  • Serving Hanalei and Princeville, Haena, Wainiha, Kilauea, Kalihiwai, Anahola

Every AC, Heating & HVAC Service in Hanalei, Hawaii

Each service below has its own Hanalei page with local details, pricing guidance and answers to common questions. Whether you need AC repair near me, furnace repair, heat pump repair or a full HVAC installation, UST Air Conditioning handles it in Hanalei.

Air Conditioning

AC Repair in Hanalei

Fast diagnosis and repair of any central, split or window air conditioner that is not cooling, leaking, tripping breakers or making noise.

AC Repair in Hanalei

Air Conditioning Installation & Replacement in Hanalei

Properly sized, correctly charged new air conditioning systems: central air, ductless mini-splits and high-efficiency heat pumps, installed right the first time.

AC Installation in Hanalei

AC Tune-Up & Maintenance in Hanalei

A thorough seasonal tune-up that cleans coils, checks refrigerant charge, tightens electrical connections and catches small problems before they become no-cool calls.

AC Tune-up in Hanalei

Emergency 24 Hour AC Repair in Hanalei

Nights, weekends and holidays: when the air conditioner dies in the middle of a Hawaii heat wave, a live dispatcher answers and a technician is on the way.

Emergency AC Repair in Hanalei

Central Air Repair in Hanalei

Repair of whole-home ducted air conditioning systems, from the outdoor condenser to the air handler, ductwork and thermostat.

Central Air Repair in Hanalei

AC Not Cooling / Not Blowing Cold Air in Hanalei

The most common call we get, solved the same day: a system that runs but cannot bring the temperature down.

AC Not Cooling Repair in Hanalei

AC Compressor Repair & Replacement in Hanalei

Compressor diagnostics, hard-start kits, and replacement of failed compressors under warranty or out of warranty, with honest advice on when replacement makes more sense.

AC Compressor Repair in Hanalei

AC Refrigerant Recharge & Leak Repair in Hanalei

Proper leak detection, repair and weighing in the correct refrigerant charge for R-410A, R-32 and older R-22 systems.

AC Refrigerant Recharge in Hanalei

Ductless Mini-Split Installation & Repair in Hanalei

Single and multi-zone ductless systems, the most popular way to cool Hawaii homes without ductwork: installation, repair, cleaning and error-code diagnostics.

Mini-split Service in Hanalei

Heating

Heating Repair in Hanalei

Heating repair for heat pumps, mini-splits in heat mode, electric furnaces and wall heaters, for the cool nights that upcountry, Volcano and windward homes really do get.

Heating Repair in Hanalei

Furnace Repair in Hanalei

Repair of electric and gas furnaces, air handlers with heat strips and packaged systems: no heat, short cycling, tripped limits and noisy blowers.

Furnace Repair in Hanalei

Furnace & Heater Installation in Hanalei

Replacement and new installation of electric furnaces, heat-strip air handlers, wall heaters and heat pump heating for cooler Hawaii elevations.

Heater Installation in Hanalei

Furnace Tune-Up & Heating Maintenance in Hanalei

A pre-season heating check that tests elements, limits, defrost cycles and airflow so the system is ready for the first cold night.

Heating Tune-up in Hanalei

Emergency 24 Hour Heating Repair in Hanalei

No heat on a cold night in Volcano, Kula or Waimea is an emergency for families with kids, kupuna or medical needs. We answer 24/7.

Emergency Heating Repair in Hanalei

Heat Pump Repair & Installation in Hanalei

Heat pumps are the ideal Hawaii system: efficient cooling all year and heat when you need it. We repair, maintain and install all major brands.

Heat Pump Repair in Hanalei

HVAC & Air Quality

HVAC Repair in Hanalei

One call for any heating, ventilation or air conditioning problem: central systems, mini-splits, heat pumps, ductwork and controls.

HVAC Repair in Hanalei

HVAC Installation & Replacement in Hanalei

Design and installation of complete heating and cooling systems for new construction, renovations and worn-out equipment replacement.

HVAC Installation in Hanalei

HVAC Service & Maintenance Plans in Hanalei

Scheduled maintenance that keeps cooling and heating systems efficient, protects warranties and stops breakdowns during the hottest weeks of the year.

HVAC Maintenance in Hanalei

Residential HVAC Repair in Hanalei

Heating and cooling repair for single-family homes, condos, townhomes, ohana units and vacation rentals across Hawaii.

Residential HVAC Repair in Hanalei

Commercial HVAC Services in Hanalei

Rooftop units, split systems, VRF, walk-ins and make-up air for restaurants, retail, offices, hotels and medical spaces, with maintenance contracts that keep doors open.

Commercial HVAC in Hanalei

Ductwork Repair & Air Duct Cleaning in Hanalei

Sealing, repair, replacement and cleaning of ductwork so cooled air reaches every room instead of the attic.

Ductwork Service in Hanalei

Thermostat Installation & Repair in Hanalei

Smart and programmable thermostat installation, wiring repair and setup so your system runs efficiently and you can control it from anywhere.

Thermostat Service in Hanalei

Indoor Air Quality & Dehumidification in Hanalei

Whole-home dehumidifiers, filtration, UV coil lights and ventilation upgrades that fight the mold, vog and humidity Hawaii homes deal with.

Indoor Air Quality in Hanalei

Why Hanalei Chooses UST Air Conditioning

Kauai is the wettest and among the saltiest of the islands. Around Hanalei, humidity keeps coils wet, drains clog with algae and outdoor units corrode faster than the manufacturer ever planned. We wash, coat and protect equipment with that in mind.

  • Local technicians who know Kauai salt air, humidity and vog
  • Up-front pricing with no overtime surprises
  • Emergency service nights, weekends and holidays
  • Repair-or-replace advice with both numbers in writing
  • Financing available on new systems
  • Maintenance plans with priority scheduling

Call (855) 459-5498 for service in Hanalei

Our Hanalei Service Area

Serving Hanalei, Princeville, Haena, Wainiha, Kilauea, Kalihiwai, Anahola and every community on Kauai.

Nearby cities we also serve

What Hanalei Homeowners Say

★★★★★

Called three companies for an installation quote. UST was not the cheapest but they were the only ones who measured the house and did a load calculation. The system is perfectly sized.

Kawika O., Hanalei
★★★★★

We had a salt-corroded outdoor unit that finally gave out. UST replaced it with a coated-coil model and explained how to hose it down monthly. Wish we had called them years ago.

David W., Hanalei
★★★★★

Great experience with the commercial maintenance contract for our office. Quarterly visits, clear reports and no surprise breakdowns in two years.

Jason L., Hanalei

AC Repair, Heating Repair & HVAC Service in Hanalei: Common Questions

Should I repair or replace my air conditioner in Hanalei?

If the system is under 10 years old and the repair costs less than a third of a new system, repair usually makes sense. Older R-22 systems and units with salt-damaged coils are usually better replaced.

Do you offer 24 hour AC repair in Hanalei?

Yes. UST Air Conditioning answers live 24/7 and dispatches emergency technicians throughout Hanalei and the rest of Kauai for no-cool, no-heat, leaks and electrical problems.

Why does my AC in Hanalei stop cooling every summer?

Salt and humidity corrode electrical parts and coils, and dirty coils make the compressor overheat during the hottest weeks. A spring tune-up prevents most of these breakdowns.

How quickly can a technician get to Hanalei?

Same day for most repair calls and within hours for emergencies. Call (855) 459-5498 and the dispatcher gives you a real arrival window.

Do you install ductless mini-splits in Hanalei?

Yes. Mini-splits are our most requested installation on Kauai because they cool individual rooms efficiently without ductwork and many models also heat.

What causes an AC to leak water in Hanalei?

Almost always a condensate drain clogged by algae, which grows fast in Hawaii humidity. Occasionally a cracked drain pan or a frozen coil. We clear, treat and test the drain on every visit.

Popular Searches in Hanalei

Helpful reading

Fast, affordable AC and heating repair in Hanalei

Live dispatchers 24/7. Same-day service in most areas. Flat-rate pricing before work begins.

(855) 459-5498
Call now: (855) 459-5498