HVAC / A/C Replacement Cost in Seattle, WA
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2 reports so far. Full price stats appear at 8.
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Prices marked with a source link were documented from a public post; you can open the original and read the quote. The rest were submitted anonymously here.
- $12,000Dec 2024reddit Dec 2024 ↗
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“I found like $12k all in. Northwest heating and cooling. You really gotta work the bids.”
- $18,000Dec 2024reddit Dec 2024 ↗
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“Ughhh I hear you. Technology Connections on YouTube laments this as well. American companies absolutely gouge us on heat pumps. Mine was $18k for my 1375 sq. ft. rambler and I got…”
What drives the price of HVAC / A/C Replacement
Three things set the size of an HVAC bill: system capacity, equipment type, and efficiency tier. Capacity should come from a Manual J load calculation, not the old unit's tonnage. A heat pump, straight-cool condenser, single-stage system, and variable-capacity system are different jobs. Duct changes, a refrigerant line set, electrical upgrades, condensate drainage, and difficult attic or rooftop access can make installation cost as much as the equipment.
When two bids look wildly different, check the scope first. One proposal may replace only the outdoor condenser, while another includes the indoor coil, furnace or air handler, thermostat, pad, permits, and duct corrections. The outdoor and indoor components should form an AHRI-rated matched system. A high-efficiency condenser paired with the wrong coil may not deliver its stated SEER2 rating or qualify for rebates.