Madison County Heating & Cooling Services

The Madison County climate record

One record, one county: the normals at ST LOUIS LAMBERT INTL AP, MO US — 4,433 heating degree days, 1,713 cooling degree days, 41.7 inches of precipitation, an average temperature of 57.4 degrees — applied to Madison County's own 716 square miles and its 28 ZIP codes. The figures are the St. Louis metro's; the ground they are applied to, lying east of the St. Louis metro's centre, is this county's alone, and this section reads the two together.

The neighbours tell part of Madison County's heating story: Bond County, Calhoun County, Clinton County are among the counties around it, all reading the same record at ST LOUIS LAMBERT INTL AP, MO US, all filling their diaries in the same cold weeks. What separates this county's share is its own ground — 716 square miles lying east of the St. Louis metro's centre, roughly 24 miles from the metro's centre — and its own housing, fitted across the decades its communities were built. The season is regional; the failures are local, one system at a time, at addresses only this county has.

Set the county inside its metro and the picture completes. Madison County answers to the St. Louis metro's data — its housing profile, its problem ranking, its climate station — but the county is where that data touches ground: 0 communities, 28 ZIP codes, one county's worth of systems ageing under the record kept at ST LOUIS LAMBERT INTL AP, MO 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 28 codes — 62001, 62002, 62010, 62018 among them — all read the same normals from ST LOUIS LAMBERT INTL AP, MO 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.

Madison County sits alongside Bond County, Calhoun County, Clinton County in the St. Louis area — 14 neighbouring counties share its coverage map in all, and the borders between them are lines on a map rather than changes in the weather. The same station record travels across those borders, the same housing decades appear on both sides, and a technician's ground here is really the cluster: this county and its neighbours, read together, with this page keeping Madison County's own share of the picture separate.

The county's year divides by load. At one end, 47.1 days at 90 degrees or above pull the cooling season into its long peak; at the other, 84.9 nights at or below freezing do the same for heating; between them sit the shoulder weeks when neither plant runs hard. An average temperature of 57.4 degrees at ST LOUIS LAMBERT INTL AP, MO US is what those two ends average out to, and 41.7 inches of precipitation spread across the year decide how much of the cooling season is also a moisture season. Madison County's households plan around that division — service ahead of the taller peak, filters and checks in the shoulders — whether they name it or not.

Communities and housing in Madison County

The codes carry the community story in Madison County: 28 of them, from 62001 through to 62294, at 25.6 square miles per code across the county's 716 square miles. Nobody here describes a call by its town, because the record gives the county no towns to describe it by; they describe it by its code and its road. The housing behind those codes was still built decade by decade, and the systems still age decade by decade — the county simply files the diary by ZIP instead of by place.

The housing behind Madison County's systems is the St. Louis metro's housing, read at county scale. The largest single share of the metro's homes was built before 1960 — 33.8% of the stock — with 58.8% of homes predating 1980 and 18.5% arriving since 2000, around a median build year of 1973. Inside the county those eras divide by community and by street, but the proportions set the diary: a stock weighted to before 1960 produces the service patterns of that era's systems, ducts and insulation, in this county as across the metro.

A reader who only had Madison County's identifying figures would already know its shape: a county of 716 square miles in Illinois, 28 ZIP codes, 0 communities on the record, sitting east of the St. Louis 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.

Our role in Madison County, stated plainly

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.