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.
Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.
"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!"
"We've got experience on our side! We've been locally owned and operated since 1989. Faithfully serving the South Puget Sound for 37 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."
"Dedicated to providing the highest quality, most professional services for your home and business, with unsurpassed Value, Innovation, and Integrity."
"Pacific Heating & Cooling is 'Washington's Leader in Home Comfort.' Our company's mission is to achieve a win-win-win for our team members, customers, and the company by providing safe, reliable, and efficient home comfort systems."
"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."
"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."
"Helping all people live in greater safety and comfort."
"Eco Electric, Plumbing, Heating & Air has established itself as the top-rated company in the Greater Seattle area. We're committed to high-quality work, 100% customer satisfaction, and fast and seamless service. Our team has honest answers to all your questions and solutions for complex electrical, plumbing, and HVAC issues."
"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."
"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."
"Alpine Ductless specializes in high-performance comfort solutions for any home. We design and install energy-efficient heating and cooling systems and provide expert electrical services with a focus on quality, expertise, and reliability. Known for our professionalism, we enhance comfort, efficiency, and value with custom solutions."
Real homeowners looking for air conditioning & heating in your area
"Need AC unit replaced"
"Maintenance on furnace"
"We have 3 gas fireplaces that we would like serviced..1 the pilot light is off..so we shut that line off.."
"Air conditioner (Trane) is on but not blowing air through the vents"
"Hi, I have a Mitsubishi air conditioning mini split with indoor three units and a non ducted outdoor unit. I’m inter..."
"Replace furnace and heat pump and full vent replacement within house, install multizones for two story house."
"I would like an estimate on duct cleaning and furnace maintenance as we are close to winter time. Thanks!"
"I would like an estimate/bid on duct cleaning and furnace maintenance (?). I’m preparing to ready my home to sell and wa..."
"Looking for maintenance on my HVAC as well as duct and dryer vent cleaning. Looking for a quote and available times for..."
"We need our heating (forced air, gas furnace) and cooling (refrigerated air unit with outdoor heat pump) systems inspect..."
"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…"
"Prompt, courteous and competent service. Worked long hours to get the job done on time despite unforeseen complications."
"I would recommend! They were great, quick when they came in, they came on time, and they were here."
"Great serviceman, able to diagnose and give us the best course of repair within our budget."
"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…"
"Everyone was so professional and friendly. The work was done when they told me. I would recommend them highly."
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.
We conduct extensive satisfaction surveys and analyze thousands of customer experiences annually.
Verified by
Independent Research
Companies earn Best Pick certification through performance alone. Only businesses with 80%+ recommendation rates qualify.
Best Pick status isn't permanent. Every certified company must re-qualify annually.
Licensed
Insured
Verified
We stand behind our certified companies with a financial guarantee up to $2,500.
Protected
Financial guarantee included
Only air conditioning & heating companies that meet our strict standards earn Best Pick status.
Air Conditioning & Heating companies must maintain a 4.0+ rating and an 80% recommendation rate.
Current state contractor license verification and general liability insurance for air conditioning & heating work
Minimum 1 year in business with established local presence
Maintain active business registration and in good standing with the state
Consistent air conditioning & heating service quality across all projects
Must re-qualify every year through new research
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:
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:
This guarantee applies only to Certified Best Pick companies, not Standard Pros. Full terms are available on our guarantee page.
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:
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.
HVAC project timelines in Seattle vary significantly based on complexity and weather conditions, with the marine climate requiring special considerations for outdoor work.
Emergency repairs receive same-day to 24-hour response, while routine installations typically require 1-3 weeks scheduling, extending to 2-4 weeks during peak seasons. Heavy rain and high winds can delay outdoor equipment installation.
