Best Pick Reports
Best Air Conditioning & Heating Companies in Seattle, WA
Seattle, Washington

Best Air Conditioning & Heating Companies in Seattle, WA

Find trusted air conditioning & heating professionals serving Seattle. All contractors are independently researched and certified.

Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.

11
Recommended Pros
13k+
Verified Reviews
Locally FocusedResearch-VerifiedFree Service

11 Contractors

Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.

AAA Heating & Air Conditioning
Certified Best Pick

AAA Heating & Air Conditioning

4.9·2,092 reviews
Certified Pro

We've got experience on our side! We've been locally owned and operated since 1989. Faithfully serving the South Puget Sound for 31 years, our technicians have top-level training and certifications. It doesn't get any better than that. You can bank on our technical expertise to solve almost any problem. We've heard and seen it all. AAA Heating & Air Conditioning provides residential heating and cooling services, including maintenance, repair, and installation for air conditioning systems, heat pumps, furnaces, water heaters, and temperature zoning systems.

7th year as a Best Pick Licensed Insured Workers' Comp
(425) 437-1414 View Profile
Day & Nite Plumbing & Heating
Certified Best Pick

Day & Nite Plumbing & Heating

4.8·634 reviews
Certified Pro

Dedicated to providing the highest quality, most professional services for your home and business, with unsurpassed Value, Innovation, and Integrity. Day & Nite Plumbing & Heating offers residential and commercial HVAC services, including the installation, repair, and replacement for all brands of air conditioners, furnaces, heat pumps, boilers, fireplaces, and ductless mini-split systems.

7th year as a Best Pick Licensed Insured Workers' Comp
(425) 321-6185 View Profile
Hunt's Services
Certified Best Pick

Hunt's Services

4.8·850 reviews
Certified Pro

If you're looking for a trusted plumber, electrician, or HVAC expert, you're in the right place. Our family-owned company treats every home like it's our own. Our technicians are highly trained, never cut corners, and always provide upfront pricing with no pressure. We take pride in doing things the right way. We look forward to serving you!

7th year as a Best Pick Licensed Insured Workers' Comp
(425) 599-2880 View Profile
Pacific Heating & Cooling
Certified Best Pick

Pacific Heating & Cooling

4.9·2,051 reviews
Certified Pro

Pacific Heating & Cooling is 'Washington's Leader in Home Comfort.' Our company's mission is to enrich the lives of our team, their families, and our community by providing safe, reliable, and efficient home comfort systems. Pacific Heating & Cooling replaces, repairs, and services HVAC equipment and indoor air quality systems for residential customers in addition to providing duct cleaning and 24/7 emergency service.

7th year as a Best Pick Insured Workers' Comp
(206) 688-2141 View Profile
Ranger Heating & Cooling
Certified Best Pick

Ranger Heating & Cooling

4.9·410 reviews
Certified Pro

Ranger Heating & Cooling provides heating and cooling services that improve the health, comfort, and energy efficiency of our Pacific Northwest customers. Our customers talk most about the overall, unmatched experience they receive from our team. Take a look at our online reviews and see for yourself. Ranger Heating & Cooling provides local residential heating and cooling products and services, including the replacement and servicing of gas furnaces, air conditioners, and heat pumps with a focus on efficiency, comfort, and home safety.

6th year as a Best Pick Licensed Insured Workers' Comp
(206) 567-9370 View Profile
Pristine Air Services
Certified Best Pick

Pristine Air Services

5.0·132 reviews
Certified Pro

As a local, veteran-owned, and family-operated small business, Pristine Air Services has your family's best interest in mind. Whether you need routine maintenance or repairs on your HVAC system or duct or dryer vent cleaning done right by a NADCA-certified professional, we are your trusted provider in Pierce and South King counties. Pristine Air Services provides comprehensive HVAC services, including furnace, heat pump, air conditioner, and ductless mini-split repair, replacement, installation, and maintenance; thermostat installation, repair, and replacement; indoor air quality solutions, including air purifiers; air duct and dryer vent cleaning; maintenance programs; and free estimates.

3rd year as a Best Pick Insured Workers' Comp
(206) 207-9004 View Profile
Eco Electric, Plumbing, Heating & Air
Certified Best Pick

Eco Electric, Plumbing, Heating & Air

4.8·798 reviews
Certified Pro

As a top-rated company in Seattle, Eco Electric, Plumbing, Heating & Air is committed to high-quality work and 100% customer satisfaction. Our team has honest answers to all of your questions and solutions for complex electrical, plumbing, and HVAC issues. Experience fast and seamless service for your home by calling us today!

2nd year as a Best Pick Licensed Insured Workers' Comp
(206) 309-9422 View Profile
Harts Plumbers, Electricians & HVAC Technicians
Certified Best Pick

Harts Plumbers, Electricians & HVAC Technicians

4.8·4,224 reviews
Certified Pro

At Harts we believe every customer deserves respect and a positive experience. In fact, it's our mission. Our aim is to provide professional, top-quality, value-added solutions you can rely on at competitive rates. We maintain a highly trained and motivated staff to deliver these things with courtesy and precision.

1st year as a Best Pick Licensed Insured Workers' Comp
(253) 364-5289 View Profile
Home Comfort Alliance
Certified Best Pick

Home Comfort Alliance

4.8·1,039 reviews
Certified Pro

Comfort is how you feel about making an important purchase. About having workers in your home. About the quality of their work, their follow-up and your experience with customer service. Comfort is HVAC, plumbing, and electrical solutions. Comfort is our promise to you and it's why so many people trust Home Comfort Alliance.

1st year as a Best Pick Licensed Insured Workers' Comp
(425) 842-1054 View Profile

Recent Project Requests in Seattle

Real homeowners looking for air conditioning & heating in your area

Issaquah

"Maintenance on furnace"

Oct 12, 2025
Bellevue

"We have 3 gas fireplaces that we would like serviced..1 the pilot light is off..so we shut that line off.."

Sep 10, 2025
Issaquah

"Air conditioner (Trane) is on but not blowing air through the vents"

Jul 2, 2025
Seattle

"Hi, I have a Mitsubishi air conditioning mini split with indoor three units and a non ducted outdoor unit. I’m inter..."

May 10, 2025
Tacoma

"Replace furnace and heat pump and full vent replacement within house, install multizones for two story house."

Dec 30, 2024
SAMMAMISH

"I would like an estimate on duct cleaning and furnace maintenance as we are close to winter time. Thanks!"

Oct 14, 2024
Des Moines

"I would like an estimate/bid on duct cleaning and furnace maintenance (?). I’m preparing to ready my home to sell and wa..."

Sep 18, 2024
Maple Valley

"Looking for maintenance on my HVAC as well as duct and dryer vent cleaning. Looking for a quote and available times for..."

Sep 18, 2024
Shoreline

"We need our heating (forced air, gas furnace) and cooling (refrigerated air unit with outdoor heat pump) systems inspect..."

Aug 28, 2024
Maple Valley

"AC exterior compressor does not kick on when thermostat is adjusted. Forced air unit fan works."

Jul 2, 2024

Verified Reviews for Air Conditioning & Heating in Seattle

"I highly recommend Pristine Air Services, they have always been a '10' for us!! Great value, professional and we enjoy working with this locally owne…"
Pristine Air Services
Review by Lissa R. • Seattle, WA
"Prompt, courteous and competent service. Worked long hours to get the job done on time despite unforeseen complications."
Hunt's Services
Review by Russell T. • Issaquah, WA
"I would recommend! They were great, quick when they came in, they came on time, and they were here."
Eco Electric, Plumbing, Heating & Air
Review by Verified Homeowner • Seattle, WA
"Great serviceman, able to diagnose and give us the best course of repair within our budget."
Day & Nite Plumbing & Heating
Review by Verified Homeowner • Snohomish, WA
"Everyone was very helpful especially my salesman, I even had Questions after the install was done and he had no problem answering them for me. The q…"
Ranger Heating & Cooling
Review by Al A. • Puyallup, WA
"Everyone was so professional and friendly. The work was done when they told me. I would recommend them highly."
Pacific Heating & Cooling
Review by Sheena F. • University Place, WA

Why Seattle Homeowners Prefer Best Pick Reports

Every Best Pick company in Seattle is independently researched and certified annually. We analyze thousands of customer reviews, verify licensing and insurance, and confirm each company meets our strict qualification standards.

01

Independent Consumer Research

We conduct extensive satisfaction surveys and analyze thousands of customer experiences annually.

02

Cannot Buy Placement

Companies earn Best Pick certification through performance alone. Only businesses with 80%+ recommendation rates qualify.

03

Re-Certified Every Year

Best Pick status isn't permanent. Every certified company must re-qualify annually.

04

$2,500 Guarantee

We stand behind our certified companies with a financial guarantee up to $2,500.

Certification Standards

How Seattle Air Conditioning & Heating Companies Earn Best Pick Certification

Only air conditioning & heating companies that meet our strict standards earn Best Pick status.

Customer Satisfaction

Air Conditioning & Heating companies must maintain a 4.0+ rating and an 80% recommendation rate.

Licensing & Insurance

Current state contractor license verification and general liability insurance for air conditioning & heating work

Business Stability

Minimum 1 year in business with established local presence

Verified State Standing

Maintain active business registration and in good standing with the state

Operational Excellence

Consistent air conditioning & heating service quality across all projects

Annual Re-Certification

Must re-qualify every year through new research

Learn More About Our Research Process

Frequently Asked Questions

Common questions about Certified Best Pick® air conditioning & heating companies in Seattle, WA

Best Pick Certified Air Conditioning and Heating companies in Seattle, WA have earned their status through independent consumer research—not paid placement. To qualify, a company must meet strict standards:

  • High customer satisfaction: 4.0+ Google rating (25+ reviews) OR 80%+ recommendation rate from surveyed customers
  • Verified credentials: Active state licenses, general liability insurance, and workers' comp (where required)
  • Financial stability: Clean credit history and active Secretary of State standing
  • Local track record: Minimum 1 year serving the Seattle, WA area

Certification is re-verified annually, ensuring continued performance.

No. Air Conditioning and Heating companies cannot buy Best Pick Certification, improved ratings, or better placement. Our research team independently evaluates companies based on customer satisfaction, licensing, insurance, and business stability—before any business relationship exists.

Companies that earn certification pay a participation fee after qualifying, which covers the cost of ongoing research and publication. This fee has no influence on whether a company qualifies or how they appear in our directory.

The Best Pick Guarantee provides financial protection—up to $2,500 in labor costs—if a Certified Best Pick Air Conditioning and Heating company fails to deliver on their commitments.

To be eligible:

  • Contact the company through Best Pick Reports or BestPickReports.com
  • Register for the guarantee (free)
  • Submit any claim within 45 days of the final date of service
  • Allow the company the opportunity to resolve the issue first

This guarantee applies only to Certified Best Pick companies, not Standard Pros. Full terms are available on our guarantee page.

HVAC companies provide maintenance, repair, system replacement, and emergency services. During routine maintenance, technicians check thermostats, electrical connections, motors, moving parts, condensate drains, air filters, and inspect full system cycles from start to finish.

Seattle homeowners most frequently encounter AC units not cooling properly during summer months and furnaces failing to heat in winter, often due to thermostat malfunctions and dirty filters.

Key local factors:

  • High moisture climate: Creates wood rot and mold concerns in HVAC systems
  • Aging housing stock: 53% of homes built before 1970 with outdated systems
  • Refrigerant issues: 44% of systems have improper refrigerant charge
  • Poor airflow: 70% of systems suffer from inadequate airflow due to dirty filters
  • Marine climate effects: High year-round humidity affects system performance

Seattle's marine climate and predominance of older homes create unique challenges. The combination of high humidity and aging infrastructure in pre-1960s homes often leads to moisture-related problems and system inefficiencies that require specialized attention from experienced HVAC professionals.

Seattle's IECC Climate Zone 4C (Mixed-Marine) creates specific challenges for HVAC systems due to high year-round humidity and moderate temperature swings.

Summer impacts: During heat waves above 90°F, AC units work significantly harder and cooling efficiency decreases as outdoor temperatures rise. Call volumes increase 2-3 times normal levels during the first major heat wave, with outdoor condensers losing 10% efficiency when placed in direct sun.

Winter considerations: With average winter lows of 38°F and minimal freeze days (1-10 annually), traditional heat pumps can struggle during occasional cold snaps. The high moisture climate requires careful attention to condensate drainage and mold prevention in ductwork.

Best timing: Spring and fall offer optimal installation conditions with better contractor availability and 10-15% pricing discounts, while avoiding the 2-4 week wait times during peak summer and winter seasons.