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39 Years
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Emergency
services
Your Trusted HVAC Partner in Seattle
Since 1987, Brennan Heating, Air Conditioning, Plumbing Heating, Air Conditioning, Plumbing, and Electrical has been a trusted provider of comprehensive home comfort solutions across Western Washington. Our team of certified technicians specializes in heating, cooling, plumbing, electrical, and indoor air quality services, combining decades of experience with cutting-edge technology to deliver reliable, energy-efficient results. We prioritize customer satisfaction through transparent communication, upfront pricing, and a commitment to safety, ensuring every project meets the highest standards of quality. With an A+ BBB rating and 13 Angie's List Super Service Awards, we stand behind our work with comprehensive warranties and a satisfaction guarantee.

Our locally owned and operated business serves communities from Seattle to Kitsap County, offering 24/7 emergency support and flexible financing options to meet diverse homeowner needs. By focusing on innovation and integrity, we help customers reduce energy costs while maintaining year-round comfort. Our maintenance memberships and factory-trained expertise ensure long-term system performance, making us the region's preferred partner for residential HVAC and related services.
Services
HVAC Installation Plumbing Repair Electrical Services Air Quality Solutions Emergency Support Generator Installation Duct Cleaning Water Heater Repair Maintenance Plans Energy Consultations
Details
  • Year established: 1987
Highlights and features
  • 38+ years of Western Washington HVAC expertise
  • 24/7 emergency services with same-day appointments
  • NATE-certified technicians and factory-trained specialists
  • Energy-efficient solutions with Lennox products
  • Satisfaction guarantee with comprehensive warranties
Associations and certifications
  • Better Business Bureau (BBB)
  • Angie's List Super Service Award
What people say
Detail-oriented technicians Same-day emergency service Clear communication Energy savings achieved Thorough system explanations
Services
HVAC Installation
We provide expert installation of energy-efficient heating and cooling systems, including furnaces, heat pumps, and air conditioners. Our certified technicians ensure proper sizing and integration with existing infrastructure for optimal performance. Backed by manufacturer warranties and our satisfaction guarantee, our installations reduce energy costs while maintaining year-round comfort for Western Washington homes.
Plumbing Repair
Our licensed plumbers address leaks, clogs, and system failures with rapid response times across Seattle. From emergency water line repairs to fixture upgrades, we use durable materials and preventive maintenance strategies. Same-day service and transparent pricing ensure minimal disruption to homeowners' daily routines while maintaining code compliance.
Electrical Services
We handle residential electrical needs from panel upgrades to EV charger installations. Our certified electricians prioritize safety with code-compliant wiring and surge protection systems. Standby generator installations ensure uninterrupted power during outages, while energy audits identify efficiency improvement opportunities for Seattle-area homes.
Air Quality Solutions
Our indoor air quality services include HEPA filtration systems, UV light purifiers, and duct sealing to reduce allergens and pollutants. By addressing moisture control and ventilation needs, we help homeowners with respiratory conditions maintain healthier living environments while improving HVAC system efficiency across Western Washington.
Emergency Support
Available 24 hours daily, our emergency technicians respond promptly to HVAC failures, plumbing bursts, and electrical emergencies. Equipped with diagnostic tools and replacement parts, we resolve critical issues within hours to prevent property damage and restore comfort for residential customers in Seattle and surrounding counties.
Questions
What HVAC services do you offer?
We provide complete heating, cooling, and air quality solutions including installation, repair, and maintenance for furnaces, heat pumps, air conditioners, and indoor air quality systems.
Do you offer emergency services?
Yes, our 24/7 emergency team responds to HVAC, plumbing, and electrical crises with same-day appointments available across Western Washington.
Are financing options available?
We offer approved credit financing programs for system replacements and major repairs to help homeowners manage comfort solution investments.
Which areas do you service?
We serve Seattle and surrounding counties including King, Snohomish, Pierce, Kitsap, and Mason Counties with prompt local response times.
What certifications do your technicians hold?
Our team includes NATE-certified HVAC specialists, licensed electricians, and factory-trained professionals maintaining industry-leading standards through ongoing education.
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