Schedule Service Proudly Serving Western Washington since 1987 24/7 Emergency Service 1 (877)-BRENNAN 2736626 MENU Energy Savings Calculator 24/7 EMERGENCY SERVICE AVAILABLE CALL US TODAY AT 1 (877)-BRENNAN Contact Us Brennan Heating & Air Conditioning 4601 S 134th Pl Seattle, WA 98168 6414 204th St SW, Suite 200 Lynnwood, WA 98036 Hours of Operation: 7:00am-5:00pm Monday-Friday 8:00am-4:30pm Saturday 1 (877)-BRENNAN Our Service Guarantee We guarantee our workmanship and we’ll treat your home with care and respect. And when it comes to service, we have knowledgeable technicians who will keep your equipment running smoothly for years to come. CONTACT US TODAY! © 2021 Brennan Heating & Air Conditioning. License #BRENNHA971R9. Privacy Policy Web Design and Internet Marketing by RYNO Strategic Solutions