One county, read on its own ground: Clermont County, Ohio — 0 communities, 16 ZIP codes, 14 neighbouring counties, inside the Cincinnati metro. TempReach USA connects you with an independent local HVAC technician serving the county, and this page is the homework behind the connection.
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Clermont County in one paragraph: 453 square miles in Ohio, 16 ZIP codes, a heating climate pressure read from the normals at CINCINNATI NORTHERN KY AP, KY US, and housing that answers 4,892 heating degree days against 1,160 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.
Every climate number on this page comes from one record: the NOAA 1991-2020 normals at CINCINNATI NORTHERN KY AP, KY US, the primary metro's station, read here for Clermont County. The record's shape is 4,892 heating degree days set against 1,160 cooling degree days, 45.26 inches of precipitation in an average year, 22.1 days reaching 90 degrees or above and 99.8 nights at or below freezing, with an average temperature of 54.7 degrees across the year.
Divide Clermont County's cold by its coverage and the heating diary sharpens: 16 ZIP codes over 453 square miles, 28.3 square miles per code on average, the codes running from 45102 to 45245. A furnace failure in the code nearest the metro reads differently from one at the county's far edge — not in the fault, which is the same worn igniter or tired blower, but in everything around it: the drive, the house's decade, the odds the system has already been replaced once. The cold itself, 4,892 heating degree days of it, is shared; the ground it is answered on is not.
One more county fact belongs in the record: position. Clermont County sits at 39.052054, -84.149485 on the map — the centroid of a county whose communities spread across 453 square miles of Ohio. 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 Clermont County's ZIP codes: 16 codes across 453 square miles works out to 28.3 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 east of the Cincinnati 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.
Position first: Clermont County lies east of the Cincinnati metro's centre, roughly 20 miles from the metro's centre as the map measures it, with Kenton County, Ohio County, Pendleton County among the counties around it. Neighbourhood at county scale matters to heating and cooling because systems do not respect the border — the same subdivisions' building decades continue across it, the same cold snaps and heat waves examine both sides in the same night — while each county's page, this one included, keeps the local figures distinct.
The precipitation figure earns its place in Clermont County's record: 45.26 inches a year at CINCINNATI NORTHERN KY AP, KY US, falling through both the cooling months and the heating ones. Rain loads condensate systems in summer, tests outdoor units and venting in winter, and keeps the ground around the county's 16 ZIP codes cycling between wet and dry in a way that shows up in crawl spaces and condensate lines. Set beside 22.1 hot days and 99.8 freezing nights, it completes the picture of what the county's equipment actually lives in.
Because the record names no separate places in Clermont County, this page reads the county the way its technicians meet it: by ground. 453 square miles of Ohio, a centroid east of the Cincinnati metro's centre, weather read from CINCINNATI NORTHERN KY AP, KY US, and housing spread through the county rather than concentrated in listed communities. The systems in that housing face the same degree days as the rest of the Cincinnati metro; what the county changes is the spacing between them, and spacing is a real part of how service works here.
The growth figures deserve their own reading in Clermont County. 19.5% of the Cincinnati metro's homes were built since 2000 — the largest or near-largest band in many of its counties — and those homes are now old enough that their first systems are reaching replacement age together, subdivision by subdivision. Set against them, the 56.3% of the metro's stock that predates 1980 is deep into its second and third systems. One county, two replacement waves running at once, and a maintenance diary that has to serve both.
Coverage, for Clermont County, is a set of overlapping maps. The land map is 453 square miles. The address map is 16 ZIP codes and 0 listed communities. The service map is the Cincinnati metro, whose coverage the county sits inside — east of the Cincinnati metro's centre, roughly 20 miles from its centre. The weather map is one station's record, kept at CINCINNATI NORTHERN KY AP, KY US. A home in this county lives on all four maps at once, and its heating and cooling needs are set by the combination.
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 Clermont County and the Cincinnati 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