A well-maintained HVAC system runs smoother, lasts longer, and costs less to operate. At QC Mechanical, we provide reliable, affordable, and professional HVAC maintenance services for homes and businesses across King, Pierce, Kitsap, and Thurston counties. Whether you’re maintaining a single-family home’s furnace or a large commercial system, our certified team ensures your heating and cooling equipment is always working at its best.
With seasonal tune-ups, performance inspections, and proactive service plans, QC Mechanical helps prevent unexpected breakdowns and extends the life of your system—so you can stay comfortable year-round and avoid costly repairs.
Why HVAC Maintenance Matters
Your HVAC system works hard all year long. Without regular maintenance, parts wear down, filters clog, and small issues turn into major problems. Routine servicing helps to:
- Improve energy efficiency
- Lower monthly utility bills
- Maximize indoor air quality
- Prevent mid-season breakdowns
- Extend system lifespan
- Maintain manufacturer warranties
Whether it’s a summer heat wave or a freezing Northwest winter, you can count on QC Mechanical to keep your system running safely and efficiently.
Residential HVAC Maintenance
If you own a home in Bellevue, Tacoma, Olympia, or anywhere in the Puget Sound, we recommend having your system serviced twice a year—once in the spring for cooling, and once in the fall for heating.
Our residential maintenance services include:
- Furnace tune-ups and safety inspections
- AC system cleaning and diagnostics
- Heat pump coil and refrigerant checks
- Filter replacement and airflow optimization
- Thermostat calibration
- Ductwork inspection
- Carbon monoxide testing (for gas systems)
We service all major brands and models, including systems from Mitsubishi, RunTru by Trane, and American Standard. Whether you have a gas furnace, ductless system, or central air conditioner, our team ensures it’s operating safely and efficiently.
Commercial HVAC Maintenance
For commercial properties, preventive HVAC maintenance is essential to keep tenants, employees, and customers comfortable—while avoiding expensive emergency calls.
We offer custom commercial maintenance contracts for offices, retail stores, restaurants, medical buildings, and more. Our commercial HVAC maintenance includes:
- Equipment inspections and performance testing
- Filter changes and airflow balance
- Refrigerant level checks and leak detection
- Belt and blower motor inspection
- Electrical diagnostics
- Control system calibration
- Rooftop unit service
With QC Mechanical on your side, you’ll get priority service, scheduled maintenance reminders, and peace of mind knowing your HVAC system is always ready for the demands of your business.
What Sets QC Mechanical Apart
We’re not just another HVAC contractor—we’re your long-term partner in comfort and efficiency. Here’s why customers throughout King, Pierce, Kitsap, and Thurston counties trust us with their system maintenance needs:
- EPA-Certified Technicians
Our team follows federal standards for safe refrigerant handling and energy-efficient service practices. - Mitsubishi Diamond Dealer
We’re certified to maintain and service advanced Mitsubishi Electric ductless and VRF systems, ensuring peak performance year-round. - Locally Owned and Operated
We understand the unique weather patterns and HVAC challenges in the Pacific Northwest. From coastal Kitsap County to the colder regions of Thurston County, our service plans are tailored for real local conditions. - Top-Tier Equipment and Tools
We use advanced diagnostic tools and OEM parts to keep your system running like new.
Brands We Maintain
We provide expert maintenance for leading HVAC brands, including:
- Mitsubishi Electric – Ductless mini-splits and high-efficiency systems
- RunTru by Trane – Affordable, dependable HVAC systems for homes and light commercial spaces
- American Standard – Trusted heating and cooling systems built for performance
- Navien & AO Smith – Boilers and tankless water heaters often integrated into HVAC systems
- Montigo & Heat n Glo – Gas fireplaces and inserts, including seasonal inspection and cleaning
We also service systems installed by other contractors and provide honest assessments about their performance and lifespan.
Customized Maintenance Plans
Want to make HVAC maintenance hassle-free? Ask us about our QC Mechanical Comfort Plan, which includes:
- Two seasonal tune-ups per year
- Priority scheduling for emergency service
- Discounts on repairs and replacement parts
- Automated service reminders
- Peace of mind all year long
It’s an easy, affordable way to protect your system and ensure you’re getting the most out of your investment.
Service Area
We proudly serve homes and businesses across:
- King County: Bellevue, Seattle, Redmond, Renton
- Pierce County: Tacoma, Puyallup, Lakewood
- Kitsap County: Bremerton, Silverdale, Port Orchard
- Thurston County: Olympia, Lacey, Tumwater
Whether you’re a homeowner preparing for the seasons or a property manager overseeing multiple buildings, our HVAC maintenance services are just a phone call away.
Schedule Your HVAC Maintenance Today
Don’t wait until your system breaks down to give it the attention it needs. Keep your heating and cooling running at peak performance with trusted, professional maintenance from QC Mechanical.
📞 Call now to book your seasonal tune-up or sign up for a maintenance plan.
Or use our online form to request a free estimate—we’ll get back to you fast.