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Comfort You Can Count On
Trusted Home Services Across the Puget Sound Since 1987

HVAC Contractor in Lakewood, WA

Brennan Heating & Air Conditioning is the go-to HVAC contractor in Lakewood, WA, and has been since 1987. Homeowners have relied on our heating and cooling company for repairs, installations, and tune-ups. Our technicians are NATE-certified and are continually educating themselves.

We can work on any make or model of heater or AC, whether ducted or ductless, and there’s no situation we would be unfamiliar with. When we work, it’s with everyone’s safety in mind. We have EPA lead-safe certification, and we handle refrigerants with the utmost care.

We provide every customer with a balance of professional work and warm, personalized customer care. It’s a combination that has led to us winning the Angi Super Service Award for 13 consecutive years. We’ve also received the Platinum Achievement Award from Puget Sound Energy a total of five times. As a BBB-accredited company, we’re proud to have an A+ rating.

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Energy Consultation

Handling Repairs Simple and Complex

If your system is short-cycling, making loud noises, or failing to deliver the hot or cold air you want, have an expert diagnose the problem and tell you what the next step should be.

With us, you’ll get an accurate estimate with no hidden fees. We’ll be prompt in our work, treating your property with respect and never leaving a mess behind. We back our results with a workmanship guarantee.

Lakewood HVAC Contractor for Installations

Your heater or air conditioner won’t last forever. If it’s on its last leg, it will most likely show signs of it. For example, it may continue to run inefficiently despite repairs. In such cases, especially when the system is over 10 years old, you’ll spend less in the long run by opting for replacement.

Let our heating and cooling company give you an honest recommendation. As a Dave Lennox Premier Dealer, we carry numerous energy-efficient products, including furnaces and heat pumps. Mini-splits and boilers are available as well. Knowing that a new installation can be a costly step, we offer financing on approved credit.

Service That Speaks for Itself

See Why Western Washington Homeowners Love Brennan
    Brennan Means Quality
    “Detail-oriented and their technicians spend time teaching you the system. I also can’t believe they also came back the next day to caulk a tiny hole they made. You get quality with Brennan.”
    - Marcin N.
    5 Stars
    “The install team was great. They were all experienced and really enjoyed their jobs, and it showed. I love our new Carrier 38MURA hvac system already, and it's not even hot out yet.”
    - Melissa R.
    Two thumbs up!
    “Bryan & Michael arrived early as I requested and worked hard to clean the furnace vents, returns, and ductwork, including the dryer vent. Our daughter had recently used Brennan & recommended the company. I am delighted with the results.”
    - Janie H.
    Outstanding!
    “The service was extremely professional, courteous, respectful, and knowledgeable. We loved Dakota & Brian!”
    - Lloyd N.
    My New Go-To Company
    “Excellent and efficient service. Brayan Rodriguez and Giovanni did a great job. Brennan will be my go to for services needed”
    - Diane V.
    Great Customer Service
    “The services provided by the Brennan staff were outstanding. Sergio & James were on time, completely explained the 5 W's before starting, they were efficient, cleaned up as they worked, explained how each part of the system functioned.”
    - Steve S.
    Highly recommend Brennan!
    “I had Brennan come today to clean my air ducts. Since this was the first time having it done, it was reassuring to know it’s a pretty simple & fast process, and totally affordable. You're always in good hands with them.”
    - Sandy M.
    No One Better
    “Our experience from estimate to installation was outstanding! Their price and quality of installation were a great deal. I highly recommend them for any Water Heater, AC, or Heating needs!”
    - Douglas D.

Service You Can Rely On. People You Can Trust.

A member of our team will be in touch shortly to confirm your contact details or address questions you may have.

  • Smarter, Safer, & More Efficient
    From high-efficiency HVAC installs to LED lighting upgrades and surge protection, we’re here to improve the way your home feels—and functions—year-round.
  • Award-Winning Care
    Multi-year Angie’s List Super Service Award winner with an A+ BBB rating, Brennan is Seattle’s trusted partner for top-tier heating, cooling, and electrical services.
  • Integrity Meets Innovation
    From certified energy consultants to licensed electricians, our team brings you forward-thinking solutions backed by time-tested values of honesty, reliability, and expert care.
  • Trusted Since 1987
    With decades of experience and thousands of satisfied customers, Brennan delivers worry-free heating, cooling, and electrical solutions with service you can count on.
Your Comfort. Your Budget. Your Way.

Ways To Save With Brennan

From flexible financing to energy-efficient upgrades—we make comfort more affordable.

  • Flexible Financing
    Don’t let budget concerns delay your comfort. We offer trusted financing options to help you move forward with confidence.
  • Current Specials
    Whether it’s seasonal savings or limited-time discounts, we’ve always got a way to help you save more.
  • Energy Rebates
    Eligible HVAC upgrades could qualify for big rebates under the Inflation Reduction Act. Let’s help you save while going green.

HVAC Maintenance Twice a Year

In the HVAC industry, you’ll hear it said that homeowners should get both their heater and AC maintained every year. We stand by that opinion and offer a comprehensive maintenance plan for interested customers.

As part of maintenance, we do the following:

  • Tighten loose connections or replace old wiring
  • Clean the interior components
  • Test safety controls and check air pressure
  • Clean and calibrate the thermostat

The benefits of signing up include priority scheduling, extended warranties on repairs, and a discount on parts and labor.

Brennan Heating & Air Conditioning wants to be your HVAC contractor, so call us today to ask any questions or schedule your appointment in Lakewood.

Book Your Free
Energy Consultation
Community Involvement We're Neighbors First, Comfort Specialist Second

From food banks to foster care, Brennan is proud to give back to the communities that trust us with their comfort.

Your Comfort is Our Commitment

Let's Get Started

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Proudly Serving Western Washington King County, Snohomish County, Pierce County, Kitsap County, Mason County

From Seattle to the Sound—We’re in Your Neighborhood If you don’t see your community listed, contact us to see if we can still help!

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