HVAC Services in Seattle, WA

In a normal year, Seattle racks up 4,482 heating and 210 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Seattle put in far more hours than the air conditioner. On average, Seattle gets 25 freezing nights and 2 days above 90°F per year. Snowfall averages about 4 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.
Local Price Guide
| Service | Seattle estimate |
|---|---|
| Furnace Replacement in Seattle | $4,700 to $11,600 |
| Furnace Repair in Seattle | $220 to $960 |
| Boiler Replacement in Seattle | $8,200 to $18,500 |
| Heat Pump Installation in Seattle | $8,200 to $20,000 |
| Heat Pump Repair in Seattle | $260 to $1,260 |
| HVAC System Replacement in Seattle | $12,600 to $27,400 |
| Ductless Mini-Split Installation in Seattle | $4,700 to $11,100 |
| Emergency HVAC Repair in Seattle | $370 to $1,480 |
| AC Installation in Seattle | $5,100 to $11,500 |
| AC Repair in Seattle | $180 to $850 |
| HVAC Tune-Up & Maintenance in Seattle | $120 to $360 |
| Air Duct Cleaning in Seattle | $480 to $1,100 |
Homes in Seattle
Census figures put the median build year in Seattle at 1974, so a typical house here has about 52 years on it. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Seattle has roughly 156,000 owner-occupied homes, or 44.2% of households. Homes here have a median value of $912,100 and households a median income of $121,984. Those two numbers drive the labor adjustment in our estimate.
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HVAC Costs in Cities Near Seattle
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