HVAC Costs in Washington

Verified cost ranges across cities in Washington

Verified by 3 sourcesUpdated April 11, 2026

HVAC Cost Comparison — Washington

Compare verified cost ranges across cities in Washington

Cost Comparison — Furnace Installation

Washington3 sources

Low

$854

Typical

$3,205

High

$8,067

Seattle3 sources

Low

$949

Typical

$3,562

High

$8,965

Spokane3 sources

Low

$857

Typical

$3,216

High

$8,095

Tacoma3 sources

Low

$949

Typical

$3,562

High

$8,965

Olympia3 sources

Low

$885

Typical

$3,323

High

$8,363

Bellingham3 sources

Low

$882

Typical

$3,312

High

$8,336

Kennewick3 sources

Low

$854

Typical

$3,208

High

$8,073

Yakima3 sources

Low

$816

Typical

$3,062

High

$7,708

Mount Vernon3 sources

Low

$901

Typical

$3,385

High

$8,520

Wenatchee3 sources

Low

$887

Typical

$3,329

High

$8,378

Longview3 sources

Low

$833

Typical

$3,127

High

$7,869

Cost Comparison — Heat Pump Installation

Washington3 sources

Low

$2,268

Typical

$7,918

High

$20,118

Seattle3 sources

Low

$2,521

Typical

$8,799

High

$22,357

Spokane3 sources

Low

$2,276

Typical

$7,946

High

$20,188

Tacoma3 sources

Low

$2,521

Typical

$8,799

High

$22,357

Olympia3 sources

Low

$2,352

Typical

$8,209

High

$20,856

Bellingham3 sources

Low

$2,344

Typical

$8,182

High

$20,788

Kennewick3 sources

Low

$2,270

Typical

$7,925

High

$20,134

Yakima3 sources

Low

$2,168

Typical

$7,566

High

$19,223

Mount Vernon3 sources

Low

$2,396

Typical

$8,362

High

$21,247

Wenatchee3 sources

Low

$2,356

Typical

$8,224

High

$20,895

Longview3 sources

Low

$2,213

Typical

$7,724

High

$19,625

Cost Comparison — Ductwork Installation

Washington3 sources

Low

$64

Typical

$4,321

High

$12,044

Seattle3 sources

Low

$71

Typical

$4,802

High

$13,385

Spokane3 sources

Low

$64

Typical

$4,336

High

$12,087

Tacoma3 sources

Low

$71

Typical

$4,802

High

$13,385

Olympia3 sources

Low

$67

Typical

$4,480

High

$12,487

Bellingham3 sources

Low

$66

Typical

$4,465

High

$12,446

Kennewick3 sources

Low

$64

Typical

$4,324

High

$12,054

Yakima3 sources

Low

$61

Typical

$4,129

High

$11,508

Mount Vernon3 sources

Low

$68

Typical

$4,563

High

$12,720

Wenatchee3 sources

Low

$67

Typical

$4,488

High

$12,509

Longview3 sources

Low

$63

Typical

$4,215

High

$11,749

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

Washington3 sources

Low

$1,856

Typical

$3,406

High

$7,637

Seattle3 sources

Low

$2,063

Typical

$3,785

High

$8,487

Spokane3 sources

Low

$1,863

Typical

$3,417

High

$7,664

Tacoma3 sources

Low

$2,063

Typical

$3,785

High

$8,487

Olympia3 sources

Low

$1,924

Typical

$3,531

High

$7,917

Bellingham3 sources

Low

$1,918

Typical

$3,519

High

$7,891

Kennewick3 sources

Low

$1,858

Typical

$3,408

High

$7,643

Yakima3 sources

Low

$1,774

Typical

$3,254

High

$7,297

Mount Vernon3 sources

Low

$1,960

Typical

$3,597

High

$8,065

Wenatchee3 sources

Low

$1,928

Typical

$3,537

High

$7,932

Longview3 sources

Low

$1,811

Typical

$3,322

High

$7,450

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 — HVAC Maintenance Tune-Up

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 — Heat Pump Repair

Washington2 sources

Low

$75

Typical

$3,032

High

$8,350

Seattle2 sources

Low

$83

Typical

$3,369

High

$9,279

Spokane2 sources

Low

$75

Typical

$3,042

High

$8,379

Tacoma2 sources

Low

$83

Typical

$3,369

High

$9,279

Olympia2 sources

Low

$78

Typical

$3,143

High

$8,656

Bellingham2 sources

Low

$78

Typical

$3,133

High

$8,628

Kennewick2 sources

Low

$75

Typical

$3,034

High

$8,357

Yakima2 sources

Low

$72

Typical

$2,897

High

$7,978

Mount Vernon2 sources

Low

$79

Typical

$3,202

High

$8,818

Wenatchee2 sources

Low

$78

Typical

$3,149

High

$8,672

Longview2 sources

Low

$73

Typical

$2,957

High

$8,145

Cost Comparison — Geothermal Heat Pump Installation

Washington2 sources

Low

$50

Typical

$24,600

High

$70,000

Seattle2 sources

Low

$56

Typical

$27,338

High

$77,791

Spokane2 sources

Low

$50

Typical

$24,687

High

$70,245

Tacoma2 sources

Low

$56

Typical

$27,338

High

$77,791

Olympia2 sources

Low

$52

Typical

$25,503

High

$72,569

Bellingham2 sources

Low

$52

Typical

$25,420

High

$72,331

Kennewick2 sources

Low

$50

Typical

$24,620

High

$70,056

Yakima2 sources

Low

$48

Typical

$23,506

High

$66,885

Mount Vernon2 sources

Low

$53

Typical

$25,980

High

$73,927

Wenatchee2 sources

Low

$52

Typical

$25,550

High

$72,702

Longview2 sources

Low

$49

Typical

$23,998

High

$68,285

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

HVAC Maintenance Tune-Up

Annual preventive maintenance including filter replacement, coil cleaning, refrigerant check, electrical inspection, and system performance test.

Cost data available

hvac

Heat Pump Repair

Diagnosis and repair of a heat pump in heating or cooling mode, including reversing valve, defrost board, and refrigerant circuit issues.

Cost data available

hvac

Geothermal Heat Pump Installation

Installation of a ground-source heat pump system including loop field drilling or trenching, ground loop, heat pump unit, and distribution system.

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