From Makawao to every neighborhood around it, UST Air Conditioning is the heating and air conditioning contractor residents trust for same-day AC repair, 24/7 emergency service and new system installations sized correctly for Maui homes.
Each service below has its own Makawao 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 Makawao.
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 MakawaoProperly 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 MakawaoA 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 MakawaoNights, 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 MakawaoRepair of whole-home ducted air conditioning systems, from the outdoor condenser to the air handler, ductwork and thermostat.
Central Air Repair in MakawaoThe most common call we get, solved the same day: a system that runs but cannot bring the temperature down.
AC Not Cooling Repair in MakawaoCompressor 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 MakawaoProper leak detection, repair and weighing in the correct refrigerant charge for R-410A, R-32 and older R-22 systems.
AC Refrigerant Recharge in MakawaoSingle 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 MakawaoHeating 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 MakawaoRepair 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 MakawaoReplacement and new installation of electric furnaces, heat-strip air handlers, wall heaters and heat pump heating for cooler Hawaii elevations.
Heater Installation in MakawaoA 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 MakawaoNo 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 MakawaoHeat 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 MakawaoOne call for any heating, ventilation or air conditioning problem: central systems, mini-splits, heat pumps, ductwork and controls.
HVAC Repair in MakawaoDesign and installation of complete heating and cooling systems for new construction, renovations and worn-out equipment replacement.
HVAC Installation in MakawaoScheduled maintenance that keeps cooling and heating systems efficient, protects warranties and stops breakdowns during the hottest weeks of the year.
HVAC Maintenance in MakawaoHeating and cooling repair for single-family homes, condos, townhomes, ohana units and vacation rentals across Hawaii.
Residential HVAC Repair in MakawaoRooftop 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 MakawaoSealing, repair, replacement and cleaning of ductwork so cooled air reaches every room instead of the attic.
Ductwork Service in MakawaoSmart and programmable thermostat installation, wiring repair and setup so your system runs efficiently and you can control it from anywhere.
Thermostat Service in MakawaoWhole-home dehumidifiers, filtration, UV coil lights and ventilation upgrades that fight the mold, vog and humidity Hawaii homes deal with.
Indoor Air Quality in MakawaoTrade-wind salt on the north shore, relentless sun on the leeward side and chilly upcountry evenings: Makawao equipment sees all of it. Our tune-ups focus on the coil corrosion, drain clogs and refrigerant leaks that Maui conditions cause.
We manage several vacation rentals and needed a company that would coordinate with guests and send invoices to us. UST has been reliable, on time and fair on price every single call.
Pua L., MakawaoThe dehumidifier they installed ended our mold problem in the closets. Air in the house feels completely different and the AC runs less.
Momi E., MakawaoStraightforward pricing, showed up when they said they would, and the office followed up a week later to make sure everything was still working. That is rare these days.
Chris Y., MakawaoWe cover all of Maui, including Haliimaile, Pukalani, Haiku-Pauwela, Olinda, Paia, Kula. If you are anywhere in Hawaii, call (855) 459-5498 and we will confirm availability.
Some do, especially at elevation and on windward slopes where winter nights drop into the 50s. Heat pumps and mini-splits in heat mode are the most efficient way to add heat.
Yes. Plan members get scheduled tune-ups, priority booking during heat waves, repair discounts and a full service history for the property.
All of them: Carrier, Trane, Lennox, Rheem, Goodman, Daikin, Mitsubishi, Fujitsu, LG, Gree, Panasonic, York, Bryant and more. Our trucks carry universal and brand-specific parts.
Same day for most repair calls and within hours for emergencies. Call (855) 459-5498 and the dispatcher gives you a real arrival window.
Yes. UST Air Conditioning answers live 24/7 and dispatches emergency technicians throughout Makawao and the rest of Maui for no-cool, no-heat, leaks and electrical problems.
Live dispatchers 24/7. Same-day service in most areas. Flat-rate pricing before work begins.