Blount County heating and cooling, county by county: 559 square miles of Tennessee lying southeast of the Knoxville metro's centre, 10 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.
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The short version of this page: Blount County runs to 559 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.
Climate on this page is not a national average wearing a county's name. It is the specific record at OAK RIDGE ASOS, TN US: 59.8 degrees as the average temperature, 55.53 inches of precipitation, 44.3 hot days and 67.8 freezing nights in the average year, 3,483 heating degree days against 1,628 cooling degree days. Blount County — 559 square miles, 10 ZIP codes, 2 listed communities — lives inside that record, and its heating and cooling systems are sized, serviced and replaced inside it too.
The neighbours tell part of Blount County's heating story: Roane County, Union County, Anderson County are among the counties around it, all reading the same record at OAK RIDGE ASOS, TN US, all filling their diaries in the same cold weeks. What separates this county's share is its own ground — 559 square miles lying southeast of the Knoxville metro's centre, roughly 27 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.
The county's neighbours frame it as well: Roane County, Union County, Anderson County are among the 8 counties on its neighbour list, and together they form the working ground around Blount County's own 559 square miles. A system near a shared border lives in both counties' weather at once, whichever page describes its home — the pages divide the map so the record can be read county by county, and the links between them keep the whole in view.
Routing in Blount County is written in five digits. The county's codes begin at 37701 and run to 37886, 10 in total, and between the first and the last sits the county's full spread of ground — 559 square miles from the metro-facing edge to the far side. A technician's week here is a tour of those codes, and the tour is also a tour of the county's building history, because each code's systems were largely fitted when that code's streets were built.
Neighbouring counties are the honest context for Blount County's figures. Its 559 square miles sit inside a wider spread of county ground — Roane County, Union County, Anderson County are among the 8 neighbours on its record — and its position southeast of the Knoxville metro's centre places it on its own side of that spread. A system near the county's edge may be closer to a neighbouring county's centre than to its own; the pages are organised by county because the data is, and the links between them carry the rest of the picture.
The county's year divides by load. At one end, 44.3 days at 90 degrees or above pull the cooling season into its long peak; at the other, 67.8 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 59.8 degrees at OAK RIDGE ASOS, TN US is what those two ends average out to, and 55.53 inches of precipitation spread across the year decide how much of the cooling season is also a moisture season. Blount 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.
A short place list shapes Blount County's service pattern in a specific way. With Maryville, Alcoa the named communities on its record, the county's calls divide between those places and the unincorporated ground around them — and the ground is the larger share of its 559 square miles. Technicians routed here plan for distance as much as for faults: the drive between calls crosses the county's position southeast of the Knoxville metro's centre, and the systems at each end belong to different building decades even when the drive is short.
Spread the metro's eras over Blount County's own ground and the housing paragraph becomes a map: 559 square miles, 10 ZIP codes at 55.9 square miles per code, and a stock whose largest band was built between 1980 and 1999 (29.4%), whose pre-1980 share runs to 43.4% and whose post-2000 share runs to 27.2%. 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.
Coverage, for Blount County, is a set of overlapping maps. The land map is 559 square miles. The address map is 10 ZIP codes and 2 listed communities. The service map is the Knoxville metro, whose coverage the county sits inside — southeast of the Knoxville metro's centre, roughly 27 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.
Population 32,196
Population 11,635
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 Blount 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