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Brennan Heating and Air Conditioning

4.5
(2,246 reviews)

Business Details

4601 S 134th Pl, Seattle, WA
98168, United States
(877) 273-6626
https://www.brennanheating.com/?utm_source=google&utm_medium=organic&utm_campaign=GMBlisting

About

HVAC ContractorElectricianExterior LightingGenerator Service & RepairAir Conditioning ContractorHeating ContractorWater Heater SalesAir Duct Cleaning Service
Residents of Seattle, WA, and the surrounding areas have trusted Brennan Heating & Air Conditioning for more than 30 years. We offer a wide variety of home improvement products, including furnaces, air conditioners, heat pumps, select gas fireplaces, indoor air quality products, gas and tankless water heaters, electrical services like panel upgrades, wiring, lighting installations, EV chargers, and more. Whatever your heating, cooling, or electrical needs, our energy consultants will help you find the right products at the best price. We guarantee our workmanship and treat your home with care and respect. Our knowledgeable technicians will keep your equipment running smoothly for years to come. Contact us today!

Location

Brennan Heating and Air Conditioning
4601 S 134th Pl, Seattle, WA
98168, United States

Hours

Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
SaturdayClosed
SundayClosed

Reviews

4.5
2,246 reviews
5 stars
1,862
4 stars
134
3 stars
33
2 stars
39
1 star
178
  • SK
    Steve Kustok
    Oct 7, 2026
    1.0
    Long time customer, who is wondering why the communication and follow up is poorly initiated.
  • RS
    Robert Siceloff
    Sep 30, 2026
    5.0
    Very professional and well trained technician
  • JR
    Jimmy Rupert
    Sep 30, 2026
    1.0
    We had Brennan install a new furnace and heat pump a couple years ago. Included was a few years of an annual checkup but don't be fooled. These checkup appointments are hard to get in a timely manner (schedule is over a month out) AND the arrival windows is 5 HOURS LONG!! If we had known this about Brennan we wouldn't have used them for this job.
  • RW
    richard wagner
    Sep 29, 2026
    5.0
    Brian serviced our system and gave me a full report of what he found. He vacuumed out the debris that had accumulated in the bottom of the A/C unit and it looks like new. He was on time and professional.
  • DW
    danny wright
    Aug 22, 2026
    5.0
    We don't have a huge house. It was built in 1996 and about 18 months ago and decided if we're going to stay here, we should update a few things. The heat pump was working OK- one rebuild years back - but close to 30 years is reaching the avg. Service life of a heat pump/furnace. I originally got Brennan info at Costco, a company I trust. I was a bit anxious - no matter what, it was going to be a chunk of change. The sales rep who came to the house was a good guy. , Explained everything, discussed a few options and zero pressure. It was a big number (for us) but we went ahead. The install was flawless. There's a big difference. I can hear and feel a better system at work. The digital thermostat works well and no issues. Included in the purchase (we paid a bit extra) was a vent cleaning and three yearly maintenance check ups. I kept putting it off. Two rooms in the house are packed with stuff and I didn't want to move a lot of stuff to access vents. We're slowly downsizing; some physical challenges; unexpected job change; vacation; new puppy - whew! Even though it was past the scheduling point of a year, the Brennan folks said no problem. This morning a very friendly dispatcher called to verify we were home and the tech called to say he was on the way. He did the vent cleaning fast but good, explaining every thing. The second tech arrived for the maintenance and same deal - friendly and efficient. Its a lot of words that boils down to a total recommendation. Every single staffer was friendly and helpful. Like I said - this is a big investment for most of us. I think I made the right choice.

Brand Certified Facts from Brennan Heating and Air Conditioning

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Certified October 11, 2026Yext Knowledge Graph
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