Refrigerator Repair
Warm sections, frost walls, leaks and noisy fans on top-freezer, side-by-side and built-in units.
More on Refrigerator Repair →Salt and damp
Rust on appliances and island salt air
University of Hawaii engineers sampled airborne salt on the roof beams of 126 bus shelters across Oahu from October 2010 to March 2011. The heaviest deposits sat on the windward and leeward coasts, the lightest in central Oahu.
Why it happens
Why do appliances rust faster near the ocean?
Because rust needs salt plus moisture, and homes near the ocean get plenty of both. The director of the University of Hawaii corrosion lab sums it up: corrosion cannot run without moisture, dust pulls moisture onto metal, and indoor humidity under 60 percent slows the process. Lowland humidity on the windward side typically runs 70 to 80 percent. Only about one Hawaii home in eight uses central air, so many kitchens and laundry rooms breathe the same damp, salty air that blows through the jalousies. A fridge in a Honolulu walk-up and a washer on a Kailua lanai live in that air all year, with no dry season to reset.
Salt plus moisture
Dust holds dampness
Few homes air-conditioned
Exposure all year
Salt by shore
Where does salt air reach on Oahu?
Salt air reaches every shore, but the UH study found it heaviest on the windward and leeward coasts and lightest on the central plateau, with Honolulu's south shore in between.
| Part of the island | Salt measured | Lowland humidity | Places | What it means |
|---|---|---|---|---|
| Windward coast | Among the highest | About 70 to 80 percent | Kailua, Kaneohe, Waimanalo | Trade winds push spray ashore most of the year |
| Leeward coast | Among the highest | About 60 to 70 percent | Waianae, Maili, Makaha | Kona winds from the south-southwest carry it in |
| South shore | Lower | About 60 to 70 percent | Waikiki, Kakaako, Hawaii Kai | Reefs seem to calm the surf and cut deposition |
| North Shore | Lower | Not separately sourced | Haleiwa, Waialua, Pupukea | Still coastal, still worth wiping coils and cabinets |
| Central plateau | Lowest on the island | Wetter stations, upland | Mililani, Wahiawa | Least salt, though moisture still matters |
Stainless steel
Is stainless steel rust-proof?
No. Sub-Zero says stainless resists rust but is not immune, and names high salinity among the conditions that defeat it; for units exposed to salt water in coastal or tropical places, it says some rust over time may not be preventable. Sub-Zero puts one outdoor undercounter model through salt spray booth testing. An indoor kitchen fridge is not built or tested that way, so a fridge or wine cooler on an open lanai near the water is about the hardest spot an appliance can sit.
Rust and repair
What a visit looks at in salty homes
Rust is rarely the reason a machine stops. It is more often the reason a screw will not turn or a cabinet base looks worse every year. So the visit fixes the fault you called about, then points out where salt and damp are working on the rest of the unit. Nobody can tell you how many years salt air takes off a dryer cabinet in Kailua. No published source measures it.
- The fault you called about
- Corroded fasteners noted
- Coil and cabinet condition
- Placement near open windows
- No invented life spans
- Written estimate before work
Salt air in numbers
126
bus shelters sampled for salt in the UH study
~4.2 km
inland, where the study's design line hits its floor
60%
indoor humidity line that slows corrosion
12%
of Hawaii homes using central air, 2020
Sources: UH Manoa CEE report UHM/CEE/11-02 (distance is our reading of its fitted line); UH Malamalama corrosion article; EIA RECS 2020
On the visit
How a rusty appliance gets assessed
1
Describe it
Tell us the symptom, where the unit stands (kitchen, garage, lanai) and how close you are to the water, in Honolulu or on the coasts. Photos of any rust help.
2
Inspect
The technician finds the fault first, then checks fasteners, coils, the cabinet base and any spot where two different metals meet.
3
Estimate
You get a written estimate that separates the repair you need now from wear worth watching, so nothing extra is slipped in.
4
Repair
The part is replaced and the unit tested. You also get plain notes on placement and cleaning that slow the next round of rust.
What we fix
Appliance repair in Honolulu
The six machines island kitchens and laundry rooms lean on hardest, each with its own page on causes, parts and cost.
Washer Repair
Top-load and front-load washers that will not drain, spin, fill or stop walking across the floor.
More on Washer Repair →
Dryer Repair
Gas and electric dryers that tumble cold, squeal, stop mid-cycle or never start at all.
More on Dryer Repair →
Dishwasher Repair
Standing water, cloudy glasses, leaks at the door and racks that come out wet.
More on Dishwasher Repair →
Oven and Stove Repair
Ovens that run cold or hot, igniters that click without lighting, and dead surface burners.
More on Oven and Stove Repair →
Ice Maker Repair
Built-in and freezer ice makers that stop filling, freeze up, leak or make hollow cubes.
More on Ice Maker Repair →01
Salt and rust
Further than most people expect. The UH study's design line reaches its floor about 4.2 km (2.6 miles) inland, and its extreme line about 10 km (6.2 miles). That is our reading of fitted lines, not a safe distance, and wind, terrain and surf change it street by street.
Yes. Central Oahu had the lowest measured deposition in the study; the windward coast had some of the highest.
Slowed, not always stopped. Sub-Zero says some rust may not be preventable on units exposed to salt water in coastal places. Keeping bare metal clean and dry helps in a Honolulu condo or a beach house alike, since dust pulls moisture onto the surface.
It is a hard spot. Indoor fridges are not salt-spray tested the way Sub-Zero's outdoor undercounter model is.
No published maker or research source we could find measures it, so we will not guess.
02
Humidity
It is half the equation. Corrosion needs moisture, and the UH lab says indoor humidity under 60 percent slows it. Honolulu airport averages 72 percent at 8 a.m., and windward lowlands run 70 to 80 percent, so in most Oahu homes the moisture is already there for the salt to work with.
Likely, yes. EPA advises indoor humidity below 60 percent, ideally 30 to 50, and the corrosion lab's rule points the same way.
Two different metals touching each other speed up galvanic attack, the UH corrosion lab notes, and damp salty air gives that reaction what it needs. In a home with the windows open to the trades, a joint like that rarely gets a dry day.
Yes where possible. EPA lists clothes dryers among the moisture-making appliances to vent outside, and every load sends water into the air it exhausts.
Within 24 to 48 hours, EPA says, to keep mold from starting.