Comprehensive pricing for heating, cooling, and ventilation across Western and Eastern Washington

Last Updated: March 2025


Quick Reference: What You'll Pay

Service Low Average High
Service call $75 $125 $200
AC tune-up $80 $150 $250
Furnace tune-up $80 $150 $250
Heat pump install $4,500 $8,500 $15,000
Central AC install $4,000 $7,500 $14,000
Gas furnace install $3,000 $5,500 $10,000

Regional Climate & Pricing

Washington's climate varies dramatically from coast to mountains to high desert, significantly impacting HVAC needs and costs.

Western Washington (Seattle, Tacoma, Olympia, Bellingham)

  • Climate: Mild, wet winters; warm, dry summers
  • Primary need: Heating (8 months), light cooling (2-3 months)
  • Popular systems: Heat pumps, gas furnaces, ductless mini-splits
  • Price multiplier: 1.15-1.35x (Seattle), 1.00-1.10x (elsewhere)

Eastern Washington (Spokane, Tri-Cities, Yakima, Wenatchee)

  • Climate: Cold winters (below 0Β°F possible), hot summers (95Β°F+)
  • Primary need: Both robust heating AND cooling
  • Popular systems: Gas furnaces + AC, dual-fuel heat pumps
  • Price multiplier: 0.85-0.95x (lower labor costs)
Region Service Call Hourly Rate Installation Multiplier
Seattle Metro $125-$200 $100-$150/hr 1.20-1.35x
Tacoma/Olympia $100-$150 $85-$125/hr 1.05-1.15x
Bellingham $100-$150 $85-$120/hr 1.05-1.15x
Spokane $75-$125 $70-$100/hr 0.85-0.95x
Tri-Cities $75-$125 $70-$100/hr 0.90-1.00x
Rural WA $75-$100 $65-$90/hr 0.80-0.95x + travel

Heat Pump Systems

Heat pumps are the fastest-growing HVAC choice in Washington, especially with state and utility incentives pushing electrification.

Ducted Heat Pumps (Central Air)

System Size Low Average High
2 ton (1,000-1,500 sq ft) $4,500 $7,000 $11,000
3 ton (1,500-2,000 sq ft) $5,500 $8,500 $13,000
4 ton (2,000-2,500 sq ft) $6,500 $10,000 $15,000
5 ton (2,500-3,000 sq ft) $7,500 $12,000 $18,000

Ductless Mini-Split Heat Pumps

Configuration Low Average High
Single-zone (one room) $3,000 $4,500 $7,000
2-zone system $5,000 $7,500 $11,000
3-zone system $7,000 $10,500 $15,000
4-zone system $9,000 $14,000 $20,000
5-zone system $11,000 $17,000 $25,000

Cold-Climate Heat Pumps

Eastern Washington's freezing winters require cold-climate rated heat pumps (Mitsubishi Hyper-Heat, Daikin Aurora, etc.).

System Standard Heat Pump Cold-Climate Heat Pump
3-ton ducted $8,500 average $11,500 average
Single-zone mini-split $4,500 average $6,000 average
Premium for cold-climate β€” +25-35%

Eastern WA Recommendation: Cold-climate heat pumps work efficiently down to -15Β°F. Standard heat pumps lose efficiency below 35Β°F and may require backup heat.

Heat Pump Rebates & Incentives

Washington offers some of the best heat pump incentives in the country:

Program Rebate Amount
Federal Tax Credit (25C) 30% of cost, up to $2,000
PSE (Puget Sound Energy) $1,500-$4,000
Seattle City Light $2,000-$7,000
Snohomish PUD $1,500-$4,000
Tacoma Power $1,000-$2,500
Spokane utilities $500-$2,000

Example: A $10,000 heat pump could cost as little as $3,000-$5,000 after stacking federal and utility rebates.


Air Conditioning

Central Air Conditioning

System Size Low Average High
2 ton (1,000-1,500 sq ft) $3,500 $5,500 $9,000
3 ton (1,500-2,000 sq ft) $4,000 $7,000 $11,000
4 ton (2,000-2,500 sq ft) $4,500 $8,500 $13,000
5 ton (2,500-3,000 sq ft) $5,500 $10,000 $15,000

Western WA Note: Many Seattle-area homes built before 2000 don't have AC. Adding central air to a home with existing ductwork costs $5,000-$10,000. Without existing ducts, costs jump to $10,000-$20,000+.

Window & Portable AC Units (Installed)

Unit Type Unit Cost Professional Install
Window unit (5,000-8,000 BTU) $200-$500 $100-$200
Window unit (10,000-15,000 BTU) $400-$800 $100-$250
Portable AC $300-$800 $50-$100 (vent only)

Furnaces

Gas Furnaces

Efficiency Rating Low Average High
80% AFUE (standard) $2,500 $4,000 $6,000
90% AFUE (high efficiency) $3,000 $5,000 $7,500
95%+ AFUE (ultra high efficiency) $4,000 $6,500 $10,000

Electric Furnaces

System Size Low Average High
Small (up to 1,500 sq ft) $1,500 $2,500 $4,000
Medium (1,500-2,500 sq ft) $2,000 $3,500 $5,500
Large (2,500+ sq ft) $3,000 $5,000 $8,000

Operating Cost Warning: Electric furnaces are cheap to install but expensive to run in Washington. Heat pumps use 1/3 the electricity for the same heat output. Only consider electric furnaces if:

  • Natural gas isn't available
  • You can't afford heat pump upfront costs
  • It's a rarely-used secondary heating source

Oil Furnaces

Service Low Average High
Oil furnace replacement $4,500 $7,000 $10,000
Oil to gas conversion $6,000 $10,000 $15,000
Oil to heat pump conversion $8,000 $14,000 $22,000

Conversion Note: Many Western WA homes still have oil furnaces from the 1970s-80s. Converting to a heat pump or gas system typically pays back in 5-8 years through lower fuel costs.


Dual Fuel / Hybrid Systems

Dual fuel systems combine a heat pump with a gas furnace backupβ€”ideal for Eastern Washington's temperature extremes.

System Low Average High
Dual fuel system (2-3 ton) $7,000 $11,000 $16,000
Dual fuel system (4-5 ton) $9,000 $14,000 $20,000
Adding gas backup to existing HP $3,500 $6,000 $9,000

How it works: The heat pump handles heating down to 35-40Β°F efficiently. Below that threshold, the gas furnace kicks in. This gives you best-of-both-worlds efficiency.


Ductwork

New Ductwork Installation

Home Size Low Average High
1,000-1,500 sq ft $3,000 $5,000 $8,000
1,500-2,000 sq ft $4,000 $7,000 $11,000
2,000-2,500 sq ft $5,000 $9,000 $14,000
2,500-3,000 sq ft $6,500 $11,000 $17,000

Duct Repairs & Modifications

Service Low Average High
Duct sealing (whole house) $500 $1,200 $2,500
Duct cleaning $300 $500 $800
Duct insulation $500 $1,500 $3,000
Single duct run addition $300 $700 $1,500
Duct replacement (per linear foot) $15 $25 $45

Thermostats

Type Low Average High
Basic programmable $100 $175 $275
Smart thermostat (Nest, Ecobee) $175 $300 $450
Zoning system (2-zone) $1,500 $2,500 $4,000
Zoning system (3-4 zone) $2,500 $4,000 $6,500

Utility Rebates: Many WA utilities offer $50-$100 rebates for smart thermostats. Seattle City Light and PSE both have active programs.


HVAC Repair Costs

Common Repairs

Repair Low Average High
Capacitor replacement $150 $275 $450
Contactor replacement $150 $300 $500
Fan motor replacement $300 $550 $900
Blower motor replacement $400 $700 $1,200
Compressor replacement $1,200 $2,000 $3,500
Heat exchanger replacement $1,500 $2,500 $4,000
Refrigerant recharge $200 $400 $700
Igniter replacement $150 $300 $500
Circuit board replacement $400 $700 $1,200

Maintenance Plans

Plan Type Annual Cost What's Included
Basic (1 visit) $100-$200 One seasonal tune-up
Standard (2 visits) $150-$300 Spring AC + Fall heating tune-up
Premium (2 visits + priority) $200-$400 Tune-ups + priority scheduling + discounts

Labor vs. Materials Breakdown

Project Type Labor % Materials %
HVAC repair 60% 40%
Furnace install 45% 55%
Heat pump install 40% 60%
New ductwork 55% 45%
Mini-split install 45% 55%

Factors That Increase Costs

Expect to Pay More When:

  1. System sizing requirements - Larger homes or poor insulation require bigger systems
  2. Ductwork modifications - Older homes often need duct resizing or replacement
  3. Electrical upgrades - Heat pumps may require panel upgrades
  4. Difficult access - Attic, crawl space, or tight mechanical room access
  5. Permit requirements - Most HVAC installations require permits ($100-$400)
  6. Code updates - Bringing existing work up to current mechanical code
  7. Asbestos or hazardous materials - Old duct insulation may require abatement

Eastern WA Specifics:

  • Cold-climate heat pump requirements (+25-35%)
  • Higher system capacity for temperature extremes
  • Dual-fuel systems for maximum efficiency

Western WA Specifics:

  • High-efficiency requirements for Seattle Energy Code
  • Space constraints in older Seattle/Tacoma homes
  • Premium pricing in competitive Seattle market

Money-Saving Tips

  1. Stack incentives - Combine federal tax credits (30%) with utility rebates for 40-60% off heat pumps

  2. Get 3+ quotes - HVAC pricing varies widely (30-50% between contractors)

  3. Off-season installation - Schedule AC install in fall/winter, furnace in spring/summer for better availability

  4. Maintenance matters - Annual tune-ups extend system life and maintain efficiency

  5. Right-size your system - Oversized systems cycle frequently and wear out faster. Insist on Manual J load calculations.

  6. Seal and insulate first - Improving your home's envelope lets you install a smaller, cheaper system

  7. Consider heat pumps - Higher upfront cost but 30-50% lower operating costs than gas/electric furnaces

  8. Check for financing - Many utilities and contractors offer 0% financing for efficient systems


Red Flags: Too Cheap or Too Expensive

Warning Signs (Too Cheap):

  • Quote 40%+ below competitors
  • No license number (verify at lni.wa.gov)
  • Skipping Manual J load calculation ("this size will work")
  • No permit mentioned
  • Cash-only payment demands
  • "One-day special" pressure

Warning Signs (Too Expensive):

  • Quote 50%+ above competitors without explanation
  • Recommending larger system than Manual J indicates
  • Unnecessary add-ons pushed aggressively
  • "Your system is dangerous" scare tactics
  • Won't itemize quote

Healthy Range:

Comparable quotes should fall within 20-30% of each other for the same scope of work.


How to Compare Bids

Every HVAC quote should include:

  1. Equipment specifications - Brand, model, size (tons), efficiency rating (SEER/HSPF/AFUE)
  2. Manual J load calculation - Proper sizing based on your home
  3. Itemized costs - Equipment, labor, materials, permits
  4. Warranty details - Equipment warranty (5-12 years) AND labor warranty (1-2 years)
  5. Permit and inspection - Who pulls permits and schedules inspections
  6. Timeline - Installation date and expected completion
  7. Rebate assistance - Will they help file for utility rebates?

Questions to Ask:

  • "Did you do a Manual J load calculation?"
  • "What's the SEER/HSPF rating of the equipment?"
  • "Are permits and inspections included?"
  • "What's your labor warranty?"
  • "Will you help me apply for rebates?"
  • "Who does the actual installationβ€”employees or subcontractors?"

Equipment Lifespan Guide

Equipment Expected Lifespan Replace When
Gas furnace 15-25 years Repair costs > 50% of replacement
Electric furnace 20-30 years Efficiency drops significantly
Central AC 15-20 years R-22 refrigerant (must replace)
Heat pump 12-17 years Efficiency below 10 SEER
Ductless mini-split 15-20 years Compressor failure
Ductwork 25-50 years Significant leaks, poor airflow

Prices reflect Washington State averages as of March 2025. Always get multiple quotes and verify contractor licensing at lni.wa.gov.