Proudly Serving King, Pierce, Kitsap, and Thurston Counties
At QC Mechanical, we’re proud to be a trusted HVAC company serving communities across the greater Seattle and Puget Sound region. For more than 20 years, we’ve provided homeowners, contractors, and businesses with expert heating, cooling, and ventilation services backed by our EPA certification, Mitsubishi Diamond Dealer status, and a strong reputation for customer-first service.
When you need HVAC installation, design, maintenance, or repair, you don’t want to wonder if a contractor is willing to travel to your area. That’s why we’ve built our service model around accessibility. If you’re located in King, Pierce, Kitsap, or Thurston County, you can count on QC Mechanical to bring reliable, professional HVAC service directly to your door.
Our Primary Service Counties
King County – Serving Seattle and Surrounding Cities
King County is at the heart of the Puget Sound region, and QC Mechanical is proud to support both homeowners and businesses throughout the area. Our technicians are familiar with the unique demands of Seattle’s climate—damp winters, warm summers, and a strong focus on energy efficiency.
In King County, we provide:
- New construction HVAC design and installation for residential and commercial projects
- Furnace repair and replacement for efficient winter heating
- Air conditioning and heat pump installation to beat the summer heat
- Fireplace installation and service for comfort and style
- Preventive maintenance plans to maximize efficiency year-round
Some of the cities we serve in King County include:
- Seattle
- Bellevue
- Renton
- Kent
- Shoreline
- Redmond
- Issaquah
- Woodinville
- Sammamish
- Mercer Island
Pierce County – Tacoma, Puyallup, and Beyond
Pierce County combines busy urban centers like Tacoma with growing suburban communities such as Puyallup, Bonney Lake, and Sumner. Each community has its own mix of older homes, new developments, and thriving businesses, all of which depend on reliable HVAC systems.
QC Mechanical specializes in:
- Retrofit HVAC services for older homes and historic properties
- Commercial HVAC design and installation for offices, restaurants, and retail spaces
- System maintenance and repairs to prevent costly breakdowns
- Energy-efficient upgrades that lower utility bills
Cities we commonly serve in Pierce County include:
- Tacoma
- Puyallup
- Bonney Lake
- Lakewood
- University Place
- Sumner
- Buckley
- Spanaway
- Gig Harbor
Kitsap County – Comfort Across the Peninsula
From Bremerton to Port Orchard, Kitsap County homeowners and businesses count on QC Mechanical for dependable HVAC solutions. Many homes in the area require retrofit HVAC designs, as well as energy-efficient upgrades that stand up to coastal weather.
Our Kitsap County HVAC services include:
- Heat pump installation for year-round comfort
- Furnace service and replacement
- AC installation and seasonal tune-ups
- Fireplace installation for custom comfort solutions
- Full HVAC system design for new construction
We proudly serve these Kitsap County communities:
- Bremerton
- Silverdale
- Port Orchard
- Poulsbo
- Kingston
Thurston County – Serving Olympia and Surrounding Areas
As one of the fastest-growing counties in the Puget Sound, Thurston County has an expanding need for reliable heating and cooling services. QC Mechanical provides both residential and commercial solutions designed for long-term comfort.
Our Thurston County services include:
- HVAC design for new construction projects
- System maintenance plans for consistent comfort
- Furnace and heat pump repairs for dependable heating
- Air conditioning installation for hot summer days
- Commercial HVAC retrofits and tenant improvements
Cities we serve in Thurston County include:
- Olympia
- Lacey
- Tumwater
- Yelm
Comprehensive HVAC Services Across Our Service Areas
No matter which county you’re in, QC Mechanical offers a full range of heating, cooling, and ventilation solutions:
- HVAC Design & Installation – Custom planning for homes and businesses, ensuring efficiency and comfort from day one.
- System Maintenance – Preventive care that saves money and extends system life.
- Repairs & Replacements – From quick fixes to full system overhauls, our EPA-certified technicians have you covered.
- Commercial HVAC – Tenant improvements, retrofits, and large-scale system design for businesses.
- Fireplace Installation – Stylish, efficient fireplaces from brands like Heat n Glo and Montigo.
Why Choose QC Mechanical in Your Area?
- 20+ Years of Experience – Serving Puget Sound homeowners and businesses with reliable, expert HVAC solutions.
- Trusted Certifications – EPA Certified, Mitsubishi Diamond Dealer, Mitsubishi Certified Technicians, and many NATE-certified experts.
- Top Brands – We install and service systems from Mitsubishi, RunTru by Trane, American Standard, Navien, AO Smith, Heat n Glo, and Montigo.
- Customer-First Service – Clear communication, honest recommendations, and solutions that fit your budget.
- Community-Focused – As a local business, we take pride in building lasting relationships with our neighbors across King, Pierce, Kitsap, and Thurston counties.