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Sizing a furnace for this house starts with how long the burner actually runs. Homes in Curry County, OR run heat about nine months a year, from October through June. A heat exchanger cycling through that many months accumulates stress that a unit installed loosely, without a proper load calculation, cannot absorb quietly. The ignition system, the burner assembly, the blower motor: each one earns its wear the hard way here, and a contractor who skips the sizing work is setting the homeowner up for a short service life.
Existing ductwork is what a furnace installation turns on in this county. Half the homes in Curry County, Oregon were built in 1982 or earlier (2020-2024 ACS 5-year). Ducts laid out for an earlier generation of heating equipment carry different static pressure and airflow assumptions than a modern furnace requires, and a contractor has to establish what is actually in the walls and crawlspaces before the new unit can be sized to match. If the duct geometry is wrong for the replacement system, the furnace runs poorly regardless of the equipment's rated output. That evaluation happens before anything gets priced.
What Gets Installed With a New Furnace
The furnace itself sits in a utility room, basement, or garage and is the unit that produces heat. A heat exchanger inside it warms the air your home will circulate, and a blower motor pushes that air into the duct system. The flue pipe runs from the furnace to an exterior wall or roofline and carries combustion gases out.
The thermostat mounts on an interior wall and is the control point the household uses to set temperatures and call for heat. A contractor also connects a gas line to the furnace and fits a fresh-air intake where the equipment requires one, both of which feed the combustion process.
The drawing shows a typical layout, and a licensed contractor determines which configuration and components apply to your specific home.
Get matched in Curry CountyCurry County, by the record
233 severe weather events were recorded in Curry County, Oregon between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Curry County, Oregon were built in 1982 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCurry County, Oregon holds 13,215 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 74.2% of the occupied homes in Curry County, Oregon (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFurnace Installation Rules for Curry County, Oregon6 codes & standards
What happens once a contractor is on the job
Non-weatherized gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized oil-fired furnaces manufactured on or after November 19, 2015 must reach 83.0 percent AFUE.
Mobile home gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized gas furnaces manufactured on or after December 18, 2028 must reach 95.0 percent AFUE, up from the 80.0 percent minimum that applies to units manufactured before that date.
Licensing and Legal Requirements in Curry County, Oregon
Oregon’s contractor licence does not reach casual, minor or inconsequential work on one structure where the person’s contracts total less than $1,000 — and the exemption is unavailable to anyone who advertises or signs themselves as a contractor, at any price.
Oregon requires a current Construction Contractors Board licence, with the right endorsement, to undertake, offer to undertake or bid construction work.
Severe Weather Events in Curry County
Weather puts a direct load on heating equipment. How hard a furnace has to work, and how often, is a local fact shaped by what the climate here actually does.
233 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.