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HVAC Service in Washington

Licensed HVAC contractors across every county in Washington.

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A single-story house with gray horizontal siding, a covered front porch with square posts, and moss on its low-pitched roof, fronted by trimmed shrubs, a lawn, and a gravel path, with tall conifers behind it under an overcast sky.

What Washington homes are up against.

1,6561,656 severe weather events were recorded in Washington between 2015 and 2024.
3,306,620Washington holds 3,306,620 housing units (2020-2024 ACS 5-year).
1985Half the homes in Washington were built in 1985 or earlier (2020-2024 ACS 5-year).
663Spokane County carries the heaviest storm record in Washington, with 663 events between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31. · U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

View through a wet, condensation-streaked square window of a snow-covered sloped roof and horizontal wood siding on an adjacent building, with snow-laden evergreen trees and overcast sky beyond.

A homeowner deciding whether a furnace repair can wait is really asking how much more cycling that unit has left in it. Homes in Washington run heat about ten months a year, from September through June. With so little of the year spent idle, the burner and the ignition system rarely get a long rest to recover from wear before being asked to fire again. That pattern favors problems in the parts that start the flame and carry heat across the exchanger, over failures that show up only after months of sitting unused. A furnace here earns its keep by running, not by waiting.

NOAA National Centers for Environmental Information, nClimDiv county and statewide normals, 1991-2020.
A gray metal electrical panel mounted on a stained concrete basement wall with conduit pipes running above and below it, wooden floor joists overhead, and a mop leaning against a plastic bucket on the floor to the right.

Before any new furnace or heat pump gets specified, a contractor has to open up what is already there. The ducts running through the house, the panel feeding it, the venting in place all get checked, not assumed, because what was installed at one point may not match what a new system expects. Half the homes in Washington were built in 1985 or earlier (2020-2024 ACS 5-year). That figure only means the checking has to happen, not what it will turn up. A newer service panel and a tight duct run are both possible in the same neighborhood, and only opening the walls and the equipment closet tells a contractor which one they are working with.

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

Does your Washington county get hit hard by severe weather?

Severe weather events by county — Washington
Spokane County663
Stevens County363
Pend Oreille County349
Okanogan County286
Lincoln County276
Douglas County253
Chelan County152
Ferry County131
Grant County125
Walla Walla County106

2015–2024 · Source: NOAA National Centers for Environmental Information, Storm Events Database.

FIND YOUR COUNTY'S RANK

Where a county lands on this list is a reason to look closer at the equipment sitting outside the house. Wind, hail and heavy rain all work against a condenser that has to keep running through them, and that is a factor in how the unit is sized and where it gets placed. Have a contractor check where your outdoor unit sits, how well it is anchored, and the condition of the unit itself.

Washington requires contractors to register with the state.

Contractors register with the Department of Labor and Industries.

Source: Washington State Legislature

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Furnace vs Boiler

Heat pump vs Furnace