Furnace Replacement Cost in Hillsboro, Oregon
Our 2026 estimate for furnace replacement in Hillsboro, OR is $4,100 to $10,100. That puts Hillsboro 29% above the national average, mainly because of higher incomes and home values, which push labor rates up and the bigger heating equipment this climate calls for.
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Hillsboro Weather and HVAC Load
In a normal year, Hillsboro racks up 4,830 heating and 275 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Hillsboro put in far more hours than the air conditioner. A normal year brings 64 nights at or below freezing and 17 days over 90°F. Snowfall averages about 3 inches. For a 2,000 sq ft house, this climate points to a heating load somewhere near 55,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 4,830 |
|---|---|
| Cooling degree days / year | 275 |
| Nights at or below 32°F | 64 |
| Days above 90°F | 17 |
| Average low / high | 41.5°F / 63.4°F |
Hillsboro Housing Stock
The median Hillsboro home dates to 1997, according to the Census ACS. That makes the typical house about 29 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. About 21,000 households here own their home, 50.6% of the occupied total. Homes here have a median value of $483,400 and households a median income of $103,207. Those two numbers drive the labor adjustment in our estimate.
Washington County had 1 hail day and 1 day with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost.
When Replacement Makes Sense
- The furnace is 15 to 20 years old or more
- Some rooms stay cold, the burner short-cycles, or the ignitor keeps failing
- A repair quote runs past a third of the cost of a new unit
- Gas or electric bills keep climbing even though usage hasn't changed
What Moves the Price
- AFUE rating: a basic 80% unit vs. a 96% condensing furnace
- Single-stage, two-stage or modulating gas valve
- Permit and inspection fees, which the local building department sets
- BTU size, which should come from a Manual J load calculation
- New PVC venting if you move to a condensing model
- Condition of the existing ductwork and any changes it needs
We raised the national figures about 29% for Hillsboro using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- Combustion and safety tests
- Removing and hauling away the old furnace
- The permit and the manufacturer warranty registration
- Gas line and vent connections
- The new furnace, filter rack and thermostat wiring
Oregon Permits, Efficiency Rules and Rebates
Oregon falls in the DOE's North region. New split central air conditioners must meet at least 13.4 SEER2, and heat pumps sold anywhere in the U.S. need 14.3 SEER2 and 7.5 HSPF2. Plan on a mechanical permit for most replacements in Hillsboro; the contractor normally pulls it. Before you sign, ask each bidder for their Oregon license or registration number and proof of insurance. The federal 25C tax credit ended for equipment installed after December 31, 2025, so incentives now come mostly from utilities and state programs. Check your electric and gas utility's rebate page before you pick equipment.
Before You Hire
- Replace it in early fall if you can. A no-heat emergency in January costs more and leaves you fewer choices.
- Look up utility rebates on 95%+ AFUE units before you buy.
- Ask for the Manual J load calculation in writing. Oversized furnaces are the most common mistake we see.
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Furnace Replacement Questions from Hillsboro Homeowners
How much is furnace replacement in Hillsboro?
Plan on $4,100 to $10,100, with most jobs near $7,400. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule furnace replacement in Hillsboro?
Between late spring and early fall. Hillsboro averages 64 freezing nights a year, and heating calls spike from November through February.
Is a high-efficiency furnace worth it?
In cold climates, a 95%+ AFUE furnace usually earns back the price difference in lower gas bills. Where winters are mild, the payback can take a very long time.
How long does a furnace replacement take?
A straight swap is usually done in one day, somewhere between 4 and 10 hours. Moving to a condensing furnace with new PVC venting can add a few more.
Furnace Replacement Near Hillsboro
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Portland-Hillsboro Airport; NOAA Storm Events Database 2020-2025, Washington County. Prices are our estimates, not contractor quotes. Updated 2026.