Jessamine County heating and cooling, county by county: 172 square miles of Kentucky lying south of the Lexington metro's centre, 3 ZIP codes, and a climate record read from LEXINGTON BLUEGRASS AP, KY US. TempReach USA connects you with an independent local HVAC technician; this page sets out the county's own figures.
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Jessamine County covers 172 square miles in Kentucky. Its climate is read from the normals recorded at LEXINGTON BLUEGRASS AP, KY US — 4,432 heating degree days against 1,289 cooling degree days — and its dominant pressure is a heating one. TempReach USA is a referral service, not an HVAC company: one call connects you with an independent local HVAC technician serving the county.
Read Jessamine County's weather the way this page reads it: through the thirty-year normals kept at LEXINGTON BLUEGRASS AP, KY US for the Lexington metro. Those normals give the county 1,289 cooling degree days and 4,432 heating degree days a year, 49.84 inches of precipitation, 25.1 days at 90 degrees or above, 89.9 nights at or below freezing, and an average temperature of 56.3 degrees — the fixed background every system in the county works against.
Count the cold from the ground up in Jessamine County and the figures arrange themselves: 4,432 heating degree days against 1,289 cooling degree days, 89.9 freezing nights in an average year, and a housing stock spread over 172 square miles whose heating plant was fitted in the decades its communities were built. The diary that follows is written street by street — ignition and exchanger work where the stock is oldest, control and sensor work where it is newest — and the county's technicians read the address before they read the fault.
The county's ground shapes the work in one more way: 172 square miles is a lot of roofs for a service map to hold, and Jessamine County's homes divide between its listed communities — Nicholasville, Wilmore, Keene, High Bridge — and the roads between them. A technician routed here is working a county, not a street: the drive between calls is part of the diary, and the systems at each end of it were fitted in the decades those communities were built.
3 ZIP codes reach into Jessamine County's 172 square miles, among them 40339, 40356, 40390 — an average of 57.4 square miles of county ground per code. The codes are more than a mailing grid here: they are how the county's service ground divides in practice, each code holding its own mix of housing eras, its own streets of systems ageing on their own schedules. A call in one code and a call in the next can be the same fault in different decades of house.
Read the map around Jessamine County and a working region appears: Fayette County, Scott County, Woodford County, Bourbon County are the neighbouring names at the head of its list of 5, and together these counties form the ground a local technician actually covers. The county line decides which page describes a home; it does not decide the weather the home's system faces, the decade its street was built in, or the season its diary fills. Those are regional — and the region, on this site, is a set of county pages that link to one another, as the cards below do.
The county's year divides by load. At one end, 25.1 days at 90 degrees or above pull the cooling season into its long peak; at the other, 89.9 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 56.3 degrees at LEXINGTON BLUEGRASS AP, KY US is what those two ends average out to, and 49.84 inches of precipitation spread across the year decide how much of the cooling season is also a moisture season. Jessamine 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.
The county's place list tells its own story. Nicholasville (31,625 residents) is the largest of the 4 communities the record names for Jessamine County, with Wilmore (6,031 residents) behind it and Keene and High Bridge further down the list. A technician working this county works all of those places in a single week, and the systems change character with the address: the era a community was built in decides whether the call is about an ageing furnace, a condenser at the end of its summers, or ductwork that predates the equipment it now serves.
Census figures give Jessamine County's heating and cooling its proportions. The metro it belongs to counts 229,005 housing units across 213,372 households, 59.6% of them owner-occupied, and the era mix runs 17.7% before 1960, 25.1% from 1960 to 1979, 29.8% from 1980 to 1999 and 27.4% since 2000. A county inside that metro inherits the mix in its own proportions — which is why two homes on the same Jessamine County street, built forty years apart, can need entirely different conversations from the same technician.
Put the county's coverage facts in one place and they read like this: 172 square miles of land in Kentucky, 4 listed communities, 3 ZIP codes, 5 neighbouring counties on the record, and a place inside the Lexington metro coverage. No single figure describes the county; the set of them does, and it is the set this page is organised around, from the climate record above to the community and ZIP lists below.
City pages carry the metro-wide homework — housing eras, the problem ranking, services in depth. This county sits inside their coverage.
Population 31,625
Population 6,031
Population 272
Population 65
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 Jessamine County and the Lexington 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