Morgan County heating and cooling, county by county: 522 square miles of Tennessee lying west of the Knoxville metro's centre, 9 ZIP codes, and a climate record read from OAK RIDGE ASOS, TN US. TempReach USA connects you with an independent local HVAC technician; this page sets out the county's own figures.
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
The short version of this page: Morgan County runs to 522 square miles, its weather is the record kept at OAK RIDGE ASOS, TN US — 3,483 heating degree days, 1,628 cooling degree days — and its systems live under a heating pressure. One call to TempReach USA, a referral service rather than an HVAC company, connects you with an independent local HVAC technician serving the county.
Every climate number on this page comes from one record: the NOAA 1991-2020 normals at OAK RIDGE ASOS, TN US, the primary metro's station, read here for Morgan County. The record's shape is 3,483 heating degree days set against 1,628 cooling degree days, 55.53 inches of precipitation in an average year, 44.3 days reaching 90 degrees or above and 67.8 nights at or below freezing, with an average temperature of 59.8 degrees across the year.
Morgan County is heating country by the numbers: 3,483 heating degree days a year, 67.8 freezing nights, and homes spread over 522 square miles all asking their systems the same question on the same January night. The cooling half of the equipment matters — 1,628 cooling degree days is not nothing — but it is the heating load that decides which systems fail, and when. Local technicians read the county that way: autumn tune-ups, honest conversations about ageing furnaces and heat exchangers, and vans stocked for the cold weeks.
Set the county inside its metro and the picture completes. Morgan County answers to the Knoxville metro's data — its housing profile, its problem ranking, its climate station — but the county is where that data touches ground: 0 communities, 9 ZIP codes, one county's worth of systems ageing under the record kept at OAK RIDGE ASOS, TN US. This page is that ground-level reading, kept separate from the metro page so the local detail is never averaged away.
The ZIP list is the county's working map. Morgan County carries 9 codes, running from 37719 through 37829 in the middle of the list to 37887 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.
Position first: Morgan County lies west of the Knoxville metro's centre, roughly 30 miles from the metro's centre as the map measures it, with Anderson County, Blount County, Campbell 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.
Extremes, not averages, fill Morgan County's emergency diary, and the record names them precisely: 44.3 days a year at 90 degrees or above, 67.8 nights at or below freezing. Between those figures sits the ordinary year — an average of 59.8 degrees, 55.53 inches of rain — in which systems mostly age quietly. The two ends are when ageing becomes failure, which is why the county's dominant heating pressure, the taller of its two peaks, sets the rhythm of its maintenance year as well.
Hold Morgan County up against its own neighbours and the missing place list stops looking like a gap. Anderson County, Blount County, Campbell County are among the 8 counties around it; some of them are lists of named towns, this one is 522 square miles of ground lying west of the Knoxville metro's centre, roughly 30 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.
The housing behind Morgan County's systems is the Knoxville metro's housing, read at county scale. The largest single share of the metro's homes was built between 1980 and 1999 — 29.4% of the stock — with 43.4% of homes predating 1980 and 27.2% arriving since 2000, around a median build year of 1985. 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.
Coverage, for Morgan County, is a set of overlapping maps. The land map is 522 square miles. The address map is 9 ZIP codes and 0 listed communities. The service map is the Knoxville metro, whose coverage the county sits inside — west of the Knoxville metro's centre, roughly 30 miles from its centre. The weather map is one station's record, kept at OAK RIDGE ASOS, TN 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 Morgan County and the Knoxville 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