HVAC Costs in Washington

Verified cost ranges across cities in Washington

Verified by 3 sourcesUpdated May 22, 2026

HVAC Cost Comparison — Washington

Compare verified cost ranges across cities in Washington

Cost Comparison — Furnace Installation

Washington2 sources

Low

$1,657

Typical

$1,657

High

$1,934

Seattle2 sources

Low

$1,842

Typical

$1,842

High

$2,149

Spokane2 sources

Low

$1,663

Typical

$1,663

High

$1,941

Tacoma2 sources

Low

$1,842

Typical

$1,842

High

$2,149

Olympia2 sources

Low

$1,718

Typical

$1,718

High

$2,005

Bellingham2 sources

Low

$1,712

Typical

$1,712

High

$1,998

Kennewick2 sources

Low

$1,659

Typical

$1,659

High

$1,935

Yakima2 sources

Low

$1,583

Typical

$1,583

High

$1,848

Mount Vernon2 sources

Low

$1,750

Typical

$1,750

High

$2,042

Wenatchee2 sources

Low

$1,721

Typical

$1,721

High

$2,009

Longview2 sources

Low

$1,617

Typical

$1,617

High

$1,887

Cost Comparison — Heat Pump Installation

Washington2 sources

Low

$4,487

Typical

$4,487

High

$5,236

Seattle2 sources

Low

$4,986

Typical

$4,986

High

$5,819

Spokane2 sources

Low

$4,503

Typical

$4,503

High

$5,254

Tacoma2 sources

Low

$4,986

Typical

$4,986

High

$5,819

Olympia2 sources

Low

$4,652

Typical

$4,652

High

$5,428

Bellingham2 sources

Low

$4,636

Typical

$4,636

High

$5,411

Kennewick2 sources

Low

$4,491

Typical

$4,491

High

$5,240

Yakima2 sources

Low

$4,287

Typical

$4,287

High

$5,003

Mount Vernon2 sources

Low

$4,739

Typical

$4,739

High

$5,530

Wenatchee2 sources

Low

$4,660

Typical

$4,660

High

$5,438

Longview2 sources

Low

$4,377

Typical

$4,377

High

$5,108

Cost Comparison — Ductwork Installation

Washington2 sources

Low

$69

Typical

$136

High

$488

Seattle2 sources

Low

$77

Typical

$151

High

$542

Spokane2 sources

Low

$70

Typical

$136

High

$489

Tacoma2 sources

Low

$77

Typical

$151

High

$542

Olympia2 sources

Low

$72

Typical

$140

High

$506

Bellingham2 sources

Low

$72

Typical

$140

High

$504

Kennewick2 sources

Low

$69

Typical

$136

High

$488

Yakima2 sources

Low

$66

Typical

$129

High

$466

Mount Vernon2 sources

Low

$73

Typical

$143

High

$515

Wenatchee2 sources

Low

$72

Typical

$141

High

$506

Longview2 sources

Low

$68

Typical

$132

High

$476

Cost Comparison — Furnace Repair

Washington2 sources

Low

$66

Typical

$1,042

High

$2,673

Seattle2 sources

Low

$73

Typical

$1,157

High

$2,971

Spokane2 sources

Low

$66

Typical

$1,045

High

$2,682

Tacoma2 sources

Low

$73

Typical

$1,157

High

$2,971

Olympia2 sources

Low

$68

Typical

$1,080

High

$2,771

Bellingham2 sources

Low

$68

Typical

$1,076

High

$2,762

Kennewick2 sources

Low

$66

Typical

$1,042

High

$2,675

Yakima2 sources

Low

$63

Typical

$995

High

$2,554

Mount Vernon2 sources

Low

$70

Typical

$1,100

High

$2,823

Wenatchee2 sources

Low

$69

Typical

$1,082

High

$2,776

Longview2 sources

Low

$64

Typical

$1,016

High

$2,608

Cost Comparison — Thermostat Installation

Washington3 sources

Low

$88

Typical

$244

High

$488

Seattle3 sources

Low

$97

Typical

$271

High

$542

Spokane3 sources

Low

$88

Typical

$245

High

$489

Tacoma3 sources

Low

$97

Typical

$271

High

$542

Olympia3 sources

Low

$91

Typical

$253

High

$506

Bellingham3 sources

Low

$91

Typical

$252

High

$504

Kennewick3 sources

Low

$88

Typical

$244

High

$488

Yakima3 sources

Low

$84

Typical

$233

High

$466

Mount Vernon3 sources

Low

$93

Typical

$258

High

$515

Wenatchee3 sources

Low

$91

Typical

$254

High

$506

Longview3 sources

Low

$86

Typical

$238

High

$476

Cost Comparison — Duct Cleaning

Washington2 sources

Low

$50

Typical

$1,850

High

$5,000

Seattle2 sources

Low

$56

Typical

$2,056

High

$5,557

Spokane2 sources

Low

$50

Typical

$1,857

High

$5,018

Tacoma2 sources

Low

$56

Typical

$2,056

High

$5,557

Olympia2 sources

Low

$52

Typical

$1,918

High

$5,184

Bellingham2 sources

Low

$52

Typical

$1,912

High

$5,167

Kennewick2 sources

Low

$50

Typical

$1,852

High

$5,004

Yakima2 sources

Low

$48

Typical

$1,768

High

$4,778

Mount Vernon2 sources

Low

$53

Typical

$1,954

High

$5,281

Wenatchee2 sources

Low

$52

Typical

$1,922

High

$5,193

Longview2 sources

Low

$49

Typical

$1,805

High

$4,878

Cost Comparison — Boiler Installation

Washington2 sources

Low

$3,662

Typical

$3,662

High

$4,274

Seattle2 sources

Low

$4,070

Typical

$4,070

High

$4,750

Spokane2 sources

Low

$3,675

Typical

$3,675

High

$4,289

Tacoma2 sources

Low

$4,070

Typical

$4,070

High

$4,750

Olympia2 sources

Low

$3,797

Typical

$3,797

High

$4,431

Bellingham2 sources

Low

$3,784

Typical

$3,784

High

$4,416

Kennewick2 sources

Low

$3,665

Typical

$3,665

High

$4,277

Yakima2 sources

Low

$3,499

Typical

$3,499

High

$4,084

Mount Vernon2 sources

Low

$3,868

Typical

$3,868

High

$4,514

Wenatchee2 sources

Low

$3,804

Typical

$3,804

High

$4,439

Longview2 sources

Low

$3,573

Typical

$3,573

High

$4,169

Cost Comparison — Boiler Repair

Washington2 sources

Low

$75

Typical

$2,244

High

$6,100

Seattle2 sources

Low

$83

Typical

$2,494

High

$6,779

Spokane2 sources

Low

$75

Typical

$2,252

High

$6,121

Tacoma2 sources

Low

$83

Typical

$2,494

High

$6,779

Olympia2 sources

Low

$78

Typical

$2,327

High

$6,324

Bellingham2 sources

Low

$78

Typical

$2,319

High

$6,303

Kennewick2 sources

Low

$75

Typical

$2,246

High

$6,105

Yakima2 sources

Low

$72

Typical

$2,144

High

$5,829

Mount Vernon2 sources

Low

$79

Typical

$2,370

High

$6,442

Wenatchee2 sources

Low

$78

Typical

$2,331

High

$6,335

Longview2 sources

Low

$73

Typical

$2,189

High

$5,951

Cost Comparison — Attic Insulation Installation

Washington2 sources

Low

$300

Typical

$5,613

High

$15,500

Seattle2 sources

Low

$333

Typical

$6,238

High

$17,225

Spokane2 sources

Low

$301

Typical

$5,633

High

$15,554

Tacoma2 sources

Low

$333

Typical

$6,238

High

$17,225

Olympia2 sources

Low

$311

Typical

$5,819

High

$16,069

Bellingham2 sources

Low

$310

Typical

$5,800

High

$16,016

Kennewick2 sources

Low

$300

Typical

$5,617

High

$15,512

Yakima2 sources

Low

$287

Typical

$5,363

High

$14,810

Mount Vernon2 sources

Low

$317

Typical

$5,928

High

$16,370

Wenatchee2 sources

Low

$312

Typical

$5,830

High

$16,098

Longview2 sources

Low

$293

Typical

$5,475

High

$15,120

Cost Comparison — Radiant Floor Heat Installation

Washington2 sources

Low

$440

Typical

$440

High

$580

Seattle2 sources

Low

$489

Typical

$489

High

$644

Spokane2 sources

Low

$442

Typical

$442

High

$582

Tacoma2 sources

Low

$489

Typical

$489

High

$644

Olympia2 sources

Low

$456

Typical

$456

High

$601

Bellingham2 sources

Low

$455

Typical

$455

High

$599

Kennewick2 sources

Low

$441

Typical

$441

High

$580

Yakima2 sources

Low

$421

Typical

$421

High

$554

Mount Vernon2 sources

Low

$465

Typical

$465

High

$612

Wenatchee2 sources

Low

$457

Typical

$457

High

$602

Longview2 sources

Low

$429

Typical

$429

High

$566

Browse HVAC Costs by City in Washington

Select a city to see local pricing adjusted for cost of living.

All HVAC Services

hvac

Furnace Installation

Supply and installation of a new gas, propane, or electric furnace including flue venting, gas piping, ductwork connections, and thermostat wiring.

Cost data available

hvac

Heat Pump Installation

Installation of an air-source heat pump system for year-round heating and cooling, including lineset, electrical, and refrigerant charging.

Cost data available

hvac

Ductwork Installation

Fabrication and installation of supply and return air duct systems in new or remodeled homes, including registers, grilles, and balancing dampers.

Cost data available

hvac

Furnace Repair

Diagnosis and repair of a non-heating or malfunctioning furnace, including igniter replacement, heat exchanger inspection, and blower motor service.

Cost data available

hvac

Thermostat Installation

Installation or replacement of a programmable or smart Wi-Fi thermostat with C-wire installation if required.

Cost data available

hvac

Duct Cleaning

Mechanical cleaning of supply, return, and branch air ducts using rotary brushes and high-powered vacuums to remove dust, debris, and allergens.

Cost data available

hvac

Boiler Installation

Supply and installation of a hot-water or steam boiler for hydronic heating, including gas piping, venting, expansion tank, and zone valves.

Cost data available

hvac

Boiler Repair

Diagnosis and repair of a faulty boiler, covering pump replacement, pressure vessel issues, zone valve failure, and flue blockages.

Cost data available

hvac

Attic Insulation Installation

Addition of blown-in cellulose or fiberglass insulation in the attic floor to reach recommended R-value and reduce HVAC load.

Cost data available

hvac

Radiant Floor Heat Installation

Installation of in-floor hydronic tubing or electric heating mats under tile or hardwood floors for radiant space heating.

Cost data available