Jefferson County Heating & Cooling Services

The Jefferson County climate record

The climate figures on this page are the primary metro's NOAA 1991-2020 normals — climate normals recorded at DENVER CENTENNIAL AP, CO US, the station for the Denver metro this county belongs to. An average year there brings 6,014 heating degree days, 636 cooling degree days, 15.02 inches of precipitation, 31.7 days at 90 degrees or above and 154.7 nights at or below freezing, around an average temperature of 50.2 degrees.

There is a housing arithmetic under Jefferson County's heating season. The metro it belongs to built its largest share of homes since 2000 — 30.6% of the stock — with the next share between 1980 and 1999 at 27.3%, around a median build year of 1986. Fitted into those eras, the county's furnaces and heat pumps meet 154.7 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.

The county's ground shapes the work in one more way: 764 square miles is a lot of roofs for a service map to hold, and Jefferson County's homes divide between its listed communities — Lakewood, Arvada — 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.

There is a scale fact hidden in Jefferson County's ZIP codes: 27 codes across 764 square miles works out to 28.3 square miles per code, which makes a service call here a matter of ground as well as of systems. The codes on the metro-facing side of the county — the county sits west of the Denver metro's centre — and the codes at its far edge hold different ground, but both ends ask the same climate questions of their heating and cooling, at different distances.

Position first: Jefferson County lies west of the Denver metro's centre, roughly 14 miles from the metro's centre as the map measures it, with Denver County, Douglas County, Elbert 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 Jefferson County's emergency diary, and the record names them precisely: 31.7 days a year at 90 degrees or above, 154.7 nights at or below freezing. Between those figures sits the ordinary year — an average of 50.2 degrees, 15.02 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.

Communities and housing in Jefferson County

Jefferson County's named places — Lakewood, Arvada — anchor a county that is mostly ground between names: 764 square miles, 27 ZIP codes, and housing that follows the roads more than the towns. The wider metro it belongs to is anchored by Denver (713,734 residents) and Aurora, but this county's own diary is quieter and more spread out: individual systems in individual houses, ageing on the schedule of the decade each house was built, from the named communities outward.

Look at the second era as well as the first and Jefferson County's stock comes into focus. After the dominant band — homes built since 2000, 30.6% of the metro's total — the next share was built between 1980 and 1999, at 27.3%. Between them those two bands account for most of the systems a technician will open in this county, and they are different machines in different houses: the earlier band's equipment fitted into older envelopes, the later band's into the standards of its own decade. The county's diary is the two bands, interleaved street by street.

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 Jefferson County's case, across 764 square miles that hold 2 listed communities and 27 ZIP codes, west of the Denver 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.

Our role in Jefferson 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.