Brennan Heating, Air Conditioning, & Electric

Brennan Heating, Air Conditioning, & Electric is an HVAC contractor in Seattle, WA. The company provides heating, cooling, plumbing, electrical, and air quality solutions for homeowners across the Puget Sound and Western Washington. Services include furnace and air conditioner replacement, ductless mini-split systems, boiler services, water line services, and energy-efficient home improvements such as heat pumps, hydronic heating systems, and tankless water heaters. Operating since 1987, the business has served tens of thousands of customers in communities including Seattle, Bellevue, Kirkland, Renton, and Federal Way, with three facilities supporting work throughout Thurston, Pierce, Snohomish, and King counties. It holds a 4.60 rating based on 2,235 customer reviews.

The company emphasizes safety, integrity, and energy efficiency in every project. Technicians are trained in safe work practices for handling electrical components, managing gas lines for boilers and water heaters, and preventing water damage during plumbing work, with a focus on keeping workspaces clean and organized. As a fully insured company, Brennan provides an added layer of protection for homeowners. The business offers free energy consultations to help customers lower utility bills and improve comfort, and guarantees its workmanship. Knowledgeable technicians take time to explain how systems function and perform thorough cleanups, including returning the next day to address small details like sealing holes left during installation.

Brennan supports local communities through partnerships with several nonprofits, including the Snohomish Community Food Bank, WestSide Baby, the Greater Maple Valley Community Center, the Vashon Maury Senior Center, HopeSparks, and Cocoon House. These partnerships provide food, diapers, clothing, school supplies, housing support, therapy and behavioral health programs, meals, and other resources to families, seniors, students, veterans, and at-risk youth throughout Western Washington.

With an established track record built on thousands of customer reviews and decades of service across the region, Brennan Heating, Air Conditioning, & Electric is a recognized home service provider in Seattle and the broader Puget Sound.

The business sits about 0.2 miles from Interurban Avenue South, with Riverton Park roughly 0.4 miles away and Foster Memorial Park within half a mile. The Duwamish River is nearby at about 0.6 miles, close to the Tukwila Community Center.

BizScoreAI records a Discoverability score of 100 out of 100, which means AI crawlers can find every page of the website and any AI assistant can recognize the business as a candidate to recommend. The Technical score comes in at 91 out of 100, reflecting that the website is technically sound, secure, and indexable so search engines can read it without errors. Together these strong results give the business a solid foundation for being found and ranked online.

Services:

• Air Conditioning Installation and Repair
• Air Quality and Duct Sealing Solutions
• Electrical Services and EV Charger Installation
• Heating Installation and Repair
• Plumbing Installation and Repair