UST Air Conditioning is the commercial HVAC company Waipahu residents call first. Our technicians arrive the same day in most cases, diagnose the real problem and complete most commercial HVAC jobs on the first visit.
Whether you are in a single-family home, a condo with strict HOA access rules or a vacation rental with guests arriving, UST Air Conditioning coordinates the commercial HVAC appointment with whoever needs to be involved and leaves the space clean.
Because we work in Waipahu every week, our technicians know the equipment common to Oahu homes, the corrosion the trade winds cause and the parts that fail first. That local experience means faster diagnosis, fewer return trips and repairs that last.
Oahu's leeward side bakes from May through October, and the trade winds that keep Waipahu bearable also carry salt straight into outdoor condenser coils. Systems here work hard almost every day of the year, which is why we see so many worn capacitors, corroded contactors and refrigerant leaks at brazed joints.
Call (855) 459-5498 now for commercial HVAC in Waipahu. We answer 24/7.
Straightforward 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.
Momi E., WaipahuThey installed a multi-zone ductless system in our home and it changed our summers. The crew was tidy, explained everything and the price matched the quote to the dollar.
Leilani K., WaipahuHonest people. I was told by another company I needed a new system. UST found a refrigerant leak at a fitting, fixed it and charged the system properly. That was two summers ago and it still runs great.
Steven K., WaipahuYes, with quarterly or monthly visits, priority response and consolidated reporting.
Yes, we schedule nights and weekends so your operation is not interrupted.
Restaurants, retail, offices, hotels, churches, schools, clinics and warehouses across Hawaii.
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. Mini-splits are our most requested installation on Oahu because they cool individual rooms efficiently without ductwork and many models also heat.
Live dispatchers 24/7. Same-day service in most areas. Flat-rate pricing before work begins.