Business Details
39 Years
experience
Emergency
services
Trusted HVAC, Plumbing & Electrical Services in Seattle
Since 1987, Brennan Heating, Air Conditioning, Plumbing Heating, Air Conditioning, Plumbing, and Electrical has served tens of thousands of satisfied customers throughout the Puget Sound region. Our goal is to help homeowners create energy-efficient, comfortable living spaces while saving money through tailored solutions. With decades of combined experience, our team of certified technicians delivers expert installations, repairs, and maintenance for heating, cooling, plumbing, electrical, and air quality systems. We prioritize safety, transparency, and clear communication, treating every home with care and respect.Backed by an A+ Better Business Bureau rating and 13 Angies List Super Service Awards, we guarantee our workmanship and stand behind our commitment to customer satisfaction. Our locally owned and operated business offers flexible financing, extended warranties, and 24/7 emergency services to meet the needs of Western Washington residents.
Services
HVAC Installation
Plumbing Repair
Electrical Services
Air Quality Solutions
Emergency Repairs
Details
- Year established: 1987
Highlights and features
- 35+ years of experience serving Western Washington
- NATE-certified technicians for expert HVAC service
- 24/7 emergency services with same-day appointments
- Flexible financing options for approved credit
- A+ BBB rating and 13-time Angies List award winner
Associations and certifications
- Better Business Bureau
- Angies List Super Service Award
What people say
Detail-oriented technicians
Experienced and professional
Prompt emergency service
Clear communication
Quality workmanship
Services
HVAC Installation
We specialize in installing energy-efficient HVAC systems, including furnaces, air conditioners, and heat pumps. Our certified technicians ensure precise installations that enhance home comfort while reducing energy costs. As a trusted Lennox dealer, we offer high-performance systems backed by comprehensive warranties and free energy consultations.
Plumbing Repair
Our licensed plumbers handle leaks, drain cleaning, water heater repairs, and fixture upgrades. We prioritize fast, reliable solutions to prevent water damage and maintain system efficiency. Emergency services are available 24/7, with upfront pricing and no hidden fees for all plumbing needs.
Electrical Services
From panel upgrades to EV charger installations, our electricians deliver safe, code-compliant electrical services. We offer surge protection, lighting upgrades, and standby generators to ensure home safety and uninterrupted power. All work includes free estimates and factory-backed warranties.
Air Quality Solutions
We improve indoor air quality with duct sealing, air purifiers, and whole-house humidifiers. Our solutions reduce allergens, pollutants, and mold, creating healthier living environments. Services include Aeroseal duct sealing and REME Halo air purification systems for lasting comfort.
Emergency Repairs
Our 24/7 emergency services address urgent HVAC, plumbing, and electrical issues. Technicians respond promptly to restore comfort and safety, with same-day visits and weekend availability. We handle everything from frozen pipes to AC failures with transparent pricing and rapid resolution.
Questions
What HVAC services does Brennan Heating, Air Conditioning, Plumbing Heating, Air Conditioning, Plumbing, and Electrical offer?
We provide installation, repair, and maintenance for furnaces, air conditioners, heat pumps, and ductless systems. Our services include free energy consultations and financing options.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency plumbing repairs for leaks, clogs, and water heater issues with same-day appointments available.
Are financing options available?
Yes, we offer flexible financing for approved credit, including HVAC upgrades, plumbing replacements, and electrical installations.
What areas do you serve?
We serve Seattle and surrounding communities in King, Snohomish, Pierce, Kitsap, and Mason counties across Western Washington.
How can I improve indoor air quality?
We recommend Aeroseal duct sealing, REME Halo air purifiers, and whole-house humidifiers to reduce pollutants and enhance air quality.
Videos
Reviews (3)
Greg Meddles
Aug 08, 2018
Report
Great experience with Brennan. Technicians were very professional and went above and beyond what the needed to do. I highly recommend this company to anyone looking for heat and air conditioning requirements.
Ronald Pittman
May 31, 2018
Report
Thomas was very professional, knowledgeable and friendly. He kept me informed throughout the entire process on both our furnace and heat pump. Would highly recommend him and be glad for him to service our system again.
Michael Lubrecht
Mar 23, 2018
Report
Our home HVAC system had shut down. With a bit of tinkering I made it limp along for a day or two, but it quit again. Brennan dispatched Eliot to come take a look.
