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Business Details
32 Years
experience
Emergency
services
Your Trusted Partner for HVAC Solutions
Gasline Mechanical is a full-service design-build HVAC and plumbing contractor serving North King County, Snohomish County, WA, and surrounding areas. Founded in 1994, we specialize in sheet metal fabrication, gas system piping, waterproof flashings, and retrofits for residential, commercial, and industrial projects. Our team of highly trained professionals prioritizes quality workmanship, innovative solutions, and exceptional customer service. With decades of combined experience, we deliver commercial-grade HVAC installations tailored to residential needs, including zoned ducted systems, VRF technology, and radiant floor heating.

We are committed to 100% perfection in every installation, offering training programs for industry professionals and maintaining a reputation for reliability and excellence. Our focus on customer satisfaction drives us to exceed expectations, ensuring systems operate efficiently and meet exact specifications. Gasline Mechanical takes pride in handling complex projects, from large-scale ductwork to emergency repairs, while maintaining competitive pricing and unmatched attention to detail.
Services
AC Repair Heating Installation Duct Sealing Sheet Metal Fabrication Plumbing Services Generator Installation Radiant Floor Heating VRF Systems HVAC Maintenance Boiler Repair
Details
  • Year established: 1994
Highlights and features
  • 30+ years of expertise in HVAC and plumbing systems
  • 24/7 emergency service for urgent needs
  • Custom sheet metal fabrication capabilities
  • Certified technicians with industry-leading training
  • 100% satisfaction guarantee on all installations
What people say
Exceptional workmanship Prompt emergency response Reliable installations Professional team Highly recommend
Services
HVAC Installation
We design and install residential and commercial HVAC systems, including zoned ducted systems, VRF technology, and radiant floor heating. Our installations prioritize energy efficiency, quiet operation, and long-term reliability. Commercial-grade components ensure optimal performance for homes and businesses.
Sheet Metal Fabrication
Our in-house fabrication shop creates precision ductwork and HVAC components tailored to project specifications. Capable of handling large-scale systems, we ensure seamless integration and superior airflow for residential and industrial applications.
Generator Installation
We install and maintain standby generators for homes and businesses, ensuring uninterrupted power during outages. Services include gas piping, electrical wiring, and waterproof flashings for reliable, long-lasting performance.
Plumbing Services
From hot water heaters to gas lines, our plumbing solutions enhance efficiency and safety. We specialize in tankless systems, leak repairs, and water filtration installations for residential and commercial properties.
HVAC Maintenance
Regular maintenance extends system lifespan and prevents breakdowns. Our technicians perform inspections, filter replacements, and performance tuning to ensure peak efficiency and indoor air quality for homeowners and businesses.
Questions
What HVAC services do you offer?
We provide AC repair, heating installation, duct sealing, VRF systems, radiant floor heating, and custom sheet metal fabrication for residential and commercial clients.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service for urgent heating and cooling needs in Snohomish and surrounding areas.
What areas do you serve?
We serve Snohomish, Everett, Mill Creek, Monroe, Woodinville, WA, and surrounding communities for HVAC and plumbing projects.
Are financing options available?
Financing details are not specified in our current documentation. Please contact us directly for payment plan inquiries.
What sets Gasline Mechanical apart?
Our commercial-grade residential installations, in-house sheet metal fabrication, and 30+ years of expertise ensure unmatched quality and reliability.
Do you handle large-scale projects?
Yes, we specialize in large residential and commercial HVAC systems, including retrofits for buildings we originally serviced 15-25 years ago.