The county-level homework for Maui County, Hawaii — its 1,162 square miles, its 14 ZIP codes, its place inside the Kahului metro's coverage. TempReach USA connects homeowners here with independent local HVAC technicians; the record behind the routing is on this page.
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Maui County in one paragraph: 1,162 square miles in Hawaii, 14 ZIP codes, a cooling climate pressure read from the normals at MOLOKAI AP, HI US, and housing that answers 0 heating degree days against 3,981 cooling degree days a year. TempReach USA is a referral service, not an HVAC company — one call connects you with an independent local HVAC technician serving this county.
The climate figures on this page are the primary metro's NOAA 1991-2020 normals — climate normals recorded at MOLOKAI AP, HI US, the station for the Kahului metro this county belongs to. An average year there brings 0 heating degree days, 3,981 cooling degree days, 21.72 inches of precipitation, 5.2 days at 90 degrees or above and 0.0 nights at or below freezing, around an average temperature of 75.9 degrees.
The cooling load also has an address pattern in Maui County. Its 14 ZIP codes divide 1,162 square miles into service ground where the same July afternoon lands on subdivisions, older streets and edge communities at once, and the county's position — southeast of the Kahului metro's centre, roughly 17 miles from the metro's centre — decides how much of the Kahului metro's heat arrives with city intensity and how much arrives softened by open ground. The systems answer accordingly: one long cooling season, read ZIP by ZIP, with the oldest condensers carrying the heaviest share of it.
One more county fact belongs in the record: position. Maui County sits at 20.855931, -156.60155 on the map — the centroid of a county whose communities spread across 1,162 square miles of Hawaii. Position decides which end of the metro's weather arrives first and which of its service patterns a household here meets most; the rest of this page is that position, read through the climate record and the metro's data.
There is a scale fact hidden in Maui County's ZIP codes: 14 codes across 1,162 square miles works out to 83.0 square miles per code, which makes a service call here a matter of ground as well as of systems. The codes on the metro-facing side of the county — the county sits southeast of the Kahului metro's centre — and the codes at its far edge hold different ground, but both ends ask the same climate questions of their heating and cooling, at different distances.
Read the map around Maui County and a working region appears: Kalawao County are the neighbouring names at the head of its list of 1, and together these counties form the ground a local technician actually covers. The county line decides which page describes a home; it does not decide the weather the home's system faces, the decade its street was built in, or the season its diary fills. Those are regional — and the region, on this site, is a set of county pages that link to one another, as the cards below do.
A service calendar for Maui County can be written straight from its station record. Spring belongs to the cooling plant: 3,981 cooling degree days are coming, and the systems that will carry them are checked before the first of the 5.2 hot days arrives. Autumn belongs to the heating plant, ahead of 0 heating degree days and 0.0 freezing nights. The middle weeks belong to the unglamorous work — filters, drains, duct joints — that both seasons quietly depend on. The record at MOLOKAI AP, HI US does not change much year to year, which is what makes the calendar worth keeping.
The county's place list tells its own story. Kahului (27,068 residents) is the largest of the 14 communities the record names for Maui County, with Kihei (22,564 residents) behind it and Wailuku and Lahaina further down the list. A technician working this county works all of those places in a single week, and the systems change character with the address: the era a community was built in decides whether the call is about an ageing furnace, a condenser at the end of its summers, or ductwork that predates the equipment it now serves.
The housing behind Maui County's systems is the Kahului metro's housing, read at county scale. The largest single share of the metro's homes was built between 1980 and 1999 — 36.0% of the stock — with 41.0% of homes predating 1980 and 23.0% arriving since 2000, around a median build year of 1984. Inside the county those eras divide by community and by street, but the proportions set the diary: a stock weighted to between 1980 and 1999 produces the service patterns of that era's systems, ducts and insulation, in this county as across the metro.
One way to hold Maui County in mind is as the local layer of a wider dataset. Above it sits the Kahului metro, with its Census housing profile and its NOAA station at MOLOKAI AP, HI US. At this level sit the county's own numbers — 1,162 square miles, 1 neighbouring counties, 14 ZIP codes, 14 listed places — and below it, not published anywhere, sit the individual homes whose systems all of it describes. This page works at the middle level, where the data is still local enough to act on.
City pages carry the metro-wide homework — housing eras, the problem ranking, services in depth. This county sits inside their coverage.
Population 27,068
Population 22,564
Population 15,754
Population 11,423
Population 11,369
Population 9,290
Population 8,490
Population 7,263
Population 6,897
Population 6,571
Population 6,557
Population 3,721
TempReach USA is not an HVAC company. We employ no heating or cooling technicians, we run no service trucks, and we do not carry out HVAC work of any kind. This website and its call center exist for one purpose: to connect homeowners with independent local heating and cooling professionals who serve their area. When you call the number on this site, your call is routed to such a professional. From that point, everything about the job belongs to that professional and to you: the assessment, the work itself, the scheduling, what you are charged, and the terms of any agreement you reach. The professional who takes your job is solely responsible for it. The technician who arrives at your home runs their own business; they are not an employee, agent or subcontractor of TempReach USA. Our part is the information on these pages — assembled from Census Bureau housing data and NOAA climate records for each metro — and the routing of your call. We state this plainly on purpose: you should know exactly who you are hiring before anyone picks up a wrench or a gauge.
One call connects you with an independent local heating and cooling professional serving Maui County and the Kahului metro.
Call center hours: Mon-Fri 7:00 AM-10:00 PM ET | Sat 8:00 AM-10:00 PM ET | Sun 7:00 AM-9:00 PM ET