Madison County, Ohio, read at county level: 7 ZIP codes and 0 communities inside the Columbus metro's coverage, with the climate record and service pressures set out below. TempReach USA connects you with an independent local HVAC technician serving the county.
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In brief: 467 square miles of Ohio, a climate read from COLUMBUS PORT COLUMBUS INTL AP, OH US's normals, and a heating pressure as the county's dominant one — 5,233 heating degree days set against 1,068 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 Madison County.
Every climate number on this page comes from one record: the NOAA 1991-2020 normals at COLUMBUS PORT COLUMBUS INTL AP, OH US, the primary metro's station, read here for Madison County. The record's shape is 5,233 heating degree days set against 1,068 cooling degree days, 41.57 inches of precipitation in an average year, 20.7 days reaching 90 degrees or above and 103.2 nights at or below freezing, with an average temperature of 53.5 degrees across the year.
There is a housing arithmetic under Madison County's heating season. The metro it belongs to built its largest share of homes between 1980 and 1999 — 26.4% of the stock — with the next share since 2000 at 25.0%, around a median build year of 1981. Fitted into those eras, the county's furnaces and heat pumps meet 103.2 freezing nights at very different ages, and the heating diary divides accordingly: deep repair conversations in the older bands, first-replacement conversations in the newer ones.
Set the county inside its metro and the picture completes. Madison County answers to the Columbus metro's data — its housing profile, its problem ranking, its climate station — but the county is where that data touches ground: 0 communities, 7 ZIP codes, one county's worth of systems ageing under the record kept at COLUMBUS PORT COLUMBUS INTL AP, OH US. This page is that ground-level reading, kept separate from the metro page so the local detail is never averaged away.
A ZIP code in Madison County is a small climate-and-housing district of its own. The county's 7 codes — 43029, 43064, 43140, 43143 among them — all read the same normals from COLUMBUS PORT COLUMBUS INTL AP, OH US, yet the systems inside them were installed in different decades, serve different house sizes, and fail in different orders. That is why this page prints the whole list rather than a summary: the codes are the finest division of the county the data supports, and they are the division the work itself follows.
There are 9 counties on Madison County's neighbour list, Delaware County, Fairfield County, Franklin County 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 heating 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.
The precipitation figure earns its place in Madison County's record: 41.57 inches a year at COLUMBUS PORT COLUMBUS INTL AP, OH 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 7 ZIP codes cycling between wet and dry in a way that shows up in crawl spaces and condensate lines. Set beside 20.7 hot days and 103.2 freezing nights, it completes the picture of what the county's equipment actually lives in.
Some counties on this site are lists of towns; Madison County is a territory. The record gives it 467 square miles, 9 neighbouring counties on the coverage map, and a position west of the Columbus metro's centre — and its homes are distributed through that territory rather than gathered under place names the record can list. For heating and cooling the consequence is a diary of distance: longer drives between calls, systems of every era met one by one, and local knowledge that lives in roads and addresses instead of in town names.
Spread the metro's eras over Madison County's own ground and the housing paragraph becomes a map: 467 square miles, 7 ZIP codes at 66.7 square miles per code, and a stock whose largest band was built between 1980 and 1999 (26.4%), whose pre-1980 share runs to 48.6% and whose post-2000 share runs to 25.0%. The percentages are the metro's; the streets they land on are this county's, and a technician driving from one end of the county to the other drives through the bands in sequence.
There is a reason the coverage on this page is described county-first. Heating and cooling demand is generated house by house, and houses sit in counties: in Madison County's case, across 467 square miles that hold 0 listed communities and 7 ZIP codes, west of the Columbus metro's centre. The metro frame matters — the station, the housing eras, the problem ranking all come from it — but the county is where the frame touches the ground, and the ground is where the systems are.
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 Madison County and the Columbus 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