The county-level homework for Iberville Parish, Louisiana — its 617 square miles, its 8 ZIP codes, its place inside the Baton Rouge 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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In brief: 617 square miles of Louisiana, a climate read from BATON ROUGE RYAN AP, LA US's normals, and a humid pressure as the county's dominant one — 1,534 heating degree days set against 2,818 cooling degree days in an average year. TempReach USA does not do the work itself; it is a referral service, and one call connects you with an independent local HVAC technician serving Iberville Parish.
Before the narrative, the numbers themselves, because everything after them is commentary: at BATON ROUGE RYAN AP, LA US, the station whose NOAA 1991-2020 normals this county is read through, an average year holds 96.4 days at 90 degrees or above, 18.4 nights at or below freezing, 61.94 inches of precipitation and degree-day totals of 1,534 heating against 2,818 cooling. Spread over 617 square miles, with the county's centroid southwest of the Baton Rouge metro's centre and roughly 22 miles from the centre it is measured against, that record is Iberville Parish's working climate.
Position sharpens Iberville Parish's moisture problem. The county lies southwest of the Baton Rouge metro's centre, roughly 22 miles from the metro's centre, and the air that reaches its far edge has crossed the whole Baton Rouge metro before it arrives — carrying the season's humidity into 617 square miles of homes whose systems must wring it out again, through 96.4 hot days a year. Neighbouring ground — East Baton Rouge Parish, East Feliciana Parish, Livingston Parish are among the counties around it — reads the same record; the wringing, house by house, is local.
Distance is the county fact the climate table leaves out. Iberville Parish's centroid lies southwest of the Baton Rouge metro's centre, roughly 22 miles from the centre it is measured against, and that distance is travelled on every call routed here — out through the metro's nearer counties and into this one's 8 ZIP codes. Local knowledge in a county like this is partly a map held in the head: which roads, which communities, which end of the county a call is coming from.
The ZIP list is the county's working map. Iberville Parish carries 8 codes, running from 70721 through 70772 in the middle of the list to 70788 at its end, and every code on it is a small housing census of its own — the building decades, the system generations, the duct materials of its streets. Heating and cooling work routed by those codes meets the county in slices, and the slices differ more than the county's shared climate record would suggest.
There are 9 counties on Iberville Parish's neighbour list, East Baton Rouge Parish, East Feliciana Parish, Livingston Parish among them, and the list is a reminder that a county page is a slice of a continuous map. The slice is worth keeping separate: this county's land area, its ZIP codes and its communities are its own, and its heating and cooling pressure — the humid profile described above — lands on its own housing. But the slice only makes full sense beside its neighbours, whose pages are linked from this one for exactly that reason.
Two numbers organise Iberville Parish's heating and cooling year: 1,534 and 2,818, the heating and cooling degree days in the normals at BATON ROUGE RYAN AP, LA US. Whichever runs larger decides the county's dominant pressure — here, a humid one — and with it the season a household should prepare for first. The supporting figures fill in the texture: 68.5 degrees as the year's average temperature, 96.4 hot days, 18.4 freezing nights, 61.94 inches of precipitation. Every paragraph on this page is, in the end, a reading of those six numbers on this county's ground.
Hold Iberville Parish up against its own neighbours and the missing place list stops looking like a gap. East Baton Rouge Parish, East Feliciana Parish, Livingston Parish are among the 9 counties around it; some of them are lists of named towns, this one is 617 square miles of ground lying southwest of the Baton Rouge metro's centre, roughly 22 miles out. Its communities exist — people live in them, heat them, cool them — but the record reaches them through the county's ZIP codes rather than through names, and this page follows the record's way of seeing.
Census figures give Iberville Parish's heating and cooling its proportions. The metro it belongs to counts 380,325 housing units across 326,145 households, 69.1% of them owner-occupied, and the era mix runs 11.7% before 1960, 24.4% from 1960 to 1979, 28.9% from 1980 to 1999 and 35.0% since 2000. A county inside that metro inherits the mix in its own proportions — which is why two homes on the same Iberville Parish street, built forty years apart, can need entirely different conversations from the same technician.
A reader who only had Iberville Parish's identifying figures would already know its shape: a county of 617 square miles in Louisiana, 8 ZIP codes, 0 communities on the record, sitting southwest of the Baton Rouge metro's centre. What the figures cannot say alone is how the ground feels to work — the drives between calls, the mix of decades in the housing, the season that runs taller — and that is what the rest of this page is for, section by section.
City pages carry the metro-wide homework — housing eras, the problem ranking, services in depth. This county sits inside their coverage.
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 Iberville Parish and the Baton Rouge 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