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9926 Elliott Road, Snohomish, WA 98296

(425) 476-1304 Schedule Service

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Bothell, WA

Serving Bothell’s HVAC and Plumbing Needs

Bothell, Washington represents a unique blend of suburban comfort and Pacific Northwest charm, where homeowners face distinct climate challenges throughout the year. From the damp winters that can strain heating systems to the increasingly warm summers that demand reliable air conditioning, we understand the specific needs of this thriving community. Our comprehensive HVAC and plumbing services address these challenges head-on, ensuring residents maintain comfortable, efficient homes year-round.

The microclimate around Bothell, influenced by its proximity to Lake Washington and the Sammamish River, creates humidity levels that can affect both heating and cooling systems differently than in other parts of the Puget Sound region. We’ve developed specialized approaches for maintaining optimal indoor air quality while managing the moisture levels that characterize this area. Our extensive experience with sheet metal fabrication allows us to create custom ductwork solutions that maximize efficiency in Bothell’s varied home styles, from historic downtown properties to modern developments in Canyon Park.

Comprehensive Air Conditioning Solutions

As temperatures in the Pacific Northwest continue to rise, air conditioning has transformed from a luxury to a necessity in Bothell homes. We provide complete air conditioning installation services, carefully sizing systems to match each home’s specific cooling requirements. Our design-build approach means we handle every aspect of the installation process, from initial load calculations to final system commissioning. We consider factors like home orientation, insulation levels, and window placement to ensure optimal cooling efficiency.

Our AC service and repair capabilities extend beyond basic maintenance. We diagnose complex refrigerant issues, replace worn compressor components, and upgrade outdated control systems to modern, programmable thermostats. The humid conditions in Bothell can accelerate certain types of wear on air conditioning components, particularly evaporator coils that work harder to remove moisture from indoor air. We inspect these critical components during every service visit, preventing unexpected breakdowns during the hottest days of summer.

Expert Plumbing Repair Services

Plumbing systems in Bothell face unique challenges due to the area’s soil composition and seasonal rainfall patterns. We specialize in diagnosing and repairing issues ranging from simple fixture replacements to complex sewer line problems. Our expertise includes:

  • Water heater diagnostics and replacement addressing the increased demand from Bothell’s growing families
  • Pipe repair and replacement including copper repiping for homes with aging galvanized systems
  • Drain cleaning and maintenance preventing backups caused by tree root intrusion common in established neighborhoods

The clay-rich soil found in many parts of Bothell can shift seasonally, potentially stressing underground plumbing lines. We use advanced diagnostic equipment to identify these issues before they become major problems, saving homeowners from costly water damage and extensive repairs.

HVAC Installation Excellence

Our HVAC installation services go beyond standard furnace and air handler placement. As a full-service design-build HVAC contractor, we engineer complete comfort systems tailored to each home’s unique characteristics. We have the capability to handle ductwork larger than any other contractor in our area, making us the preferred choice for both residential and commercial projects in Bothell.

The installation process begins with detailed load calculations that account for Bothell’s climate data, including average temperatures, humidity levels, and seasonal variations. We then design duct systems that deliver consistent temperatures throughout the home while minimizing energy consumption. Our sheet metal fabrication capabilities allow us to create custom fittings that maximize airflow efficiency, particularly important in homes with challenging layouts or limited mechanical space.

Specialized Retrofit Solutions

Many Bothell homes, particularly those built during the area’s growth spurts in the 1980s and 1990s, now require HVAC system updates. We specialize in retrofits that modernize these systems while working within existing structural constraints. Our approach to retrofitting includes:

  1. System efficiency upgrades replacing outdated equipment with high-efficiency models that reduce energy costs
  2. Ductwork optimization sealing leaks and improving airflow distribution without major demolition
  3. Control system modernization installing smart thermostats and zoning systems for enhanced comfort

Our expertise in zoning systems sets us apart. We actually offer training to other dealers on proper zoning system installation, demonstrating our commitment to industry leadership. These systems prove particularly valuable in Bothell’s multi-level homes, allowing different temperature settings for various areas while reducing overall energy consumption.

Commitment to Perfection

“It’s a matter of pride” drives our approach to every project in Bothell. We shoot for 100% perfection in every installation we do, whether it’s a simple AC repair or a complete HVAC system replacement. This commitment extends to our waterproof flashings, crucial for protecting homes from the Pacific Northwest’s persistent moisture. We always ask “How can we make it right?” ensuring customer satisfaction remains our top priority throughout Bothell and surrounding communities.

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Why Choose Gasline Mechanical Inc.
  • Residential heating and cooling services, including installation of energy-efficient systems.
  • Custom sheet metal fabrication to ensure optimal performance and durability.
  • Home generator solutions to provide reliable backup power for uninterrupted comfort.
  • Plumbing services designed to foster a healthier and more efficient indoor environment.
Contact Gasline Mechanical Inc. For All Of Your HVAC and Plumbing Needs

AC Repair in Bothell, WA | HVAC Repair

Air Conditioning ServiceFurnace RepairAC InstallationHVAC RepairAC Repair ∴ Bothell, WA

What our customers are saying
Customer Reviews

Venture General Contracting, LLC
To our Office Manager, Julie: Thank you so much for being so wonderful! It’s been a pleasure working with you. I look forward to many more projects to come.

Galyna S.

I just want to thank you again for responding so quickly to the issue at ConAm. I know the owner appreciates it to. I really enjoy working with you and your guys and want you to know how much you are appreciated by all of us at Venture.

Jen C.

Venture General Contracting, LLC
Robbie and Mike were a big help yesterday in coordinating the Phased Occupancy Opening here(Othello Station North). Wehad to get down and get some details worked out and the knowledge between those two was extremely helpful! I would not be able to do it without these guys!

Chad W.

As the owner of Fusion Hot Yoga, located in Bothell, voted “Best yoga studio” in the “Best of Western Washington” contest, you can imagine how important “good” heat is to us! We heat our room to 105 degrees (!) and I’ll tell you what, heating a space to 105 that is built for over 100 people practicing yoga at once, well it’s simply not an easy task! Yet Gasline has managed to do it! We are currently running at 105 degrees due to Gasline’s ingenuity, and perseverance. I can’t recommend Darren and Steve enough! These guys are amazing. If you need to heat something, trust Gasline and trust Darren and Steve. These guys won’t let you down. I hesitate to endorse anybody, as I want to make sure It’s a valid and founded endorsement. And I take using my platform for endorsement very seriously… And in my experience Gasline now deserves my endorsement. So come feel the heat! And call Gasline for all your heating needs! If they can heat us, they can heat you! Thank you Steve and Darren! Jason Willey, owner Fusion Hot Yoga.

Jason W.

Many Years ago Gas line Mechanical installed our Heating system that was quite involved with 3 Floors. The Basement was left unfinished, But they installed a Duct system that could be extended for future use. After 18 Years I upgraded to a new High efficiency Furnace and Air conditioning. The new contractor admired the original installation and how well it was done. This prompted me to write these comments. I remember the original installer and how well they did their work. I believe the owners name was John. I want to thank him for a good Job they did all these years later.

Klaus H.

Testimonials:Aeronautical Firm located in Chicago, Seattle, and North Carolina
As a large commercial aerospace company, we have a large variety mechanical and HVAC systems. Gasline Mechanical has been our go to contractor for many projects in severalof our buildings. With projects ranging from small to large scale ductwork jobs, to large scale cooling tower replacement jobs, to custom stainless steel humidification system work, Gasline has always met or exceeded our performance expectations and completed all of the projects on budget and on time.

Brad L.

Wakefield / The Evans Company
It has been my great pleasure to work with Gasline Mechanical on a number of projects. We have worked together for many years. I can count on their professionalism and teamwork to hold to schedule while providing a high quality finished product. From new construction to maintaining the equipment after our spaces are occupied, Gasline comes through with viable solutions to our most challenging HVAC needs. I look forward to continuing our working relationship and would highly recommend Gasline Mechanical.

Ed B.

Residential Customer
GASLINE was great to work with from start to finish. The decision was hard to put in A/C but now that I have, I haven’t regretted it one bit. Darren and the guys were easy to work with and if I hada question, it was answered. They took care of everything for US!! they were Professional, on time, the work was meticulous and complete. This is a quality company and the staff reflected that in their care for the work they performed!!

Ryan & Melissa S.

Goodman Real Estate
I have worked with John Anderson and his employees at Gasline Mechanical for many years. Gasline can create heating, cooling and air-exchange systems in detail and to exact specifications from the drawing board to your construction site.

The Gasline design team can either quote & build from an engineered plan or create a design build system and are competitive in either arena. Once complete they have a very good warranty or maintenance team that can keep your equipment fine-tuned.

They understand how a system functions can either enhance or hamper the comfort of our buildings tenants. In addition to Gasline’s expertise in design, the install team has a great attitude and they clearly take pride in their work. I haveworked with many contractors and few can perform at Gasline’s level.You cannot make a better choice.

Bruce M.

A PSE inspector determined our 15-year-old furnace was emitting high levels of CO and capped off the gas line to our furnace. A big thanks to the inspector to catching that! John Anderson and his crew from Gasline Mechanical ordered and replaced the furnace within 5 days. We appreciate his fast response (especially considering the issues with shipping delays and the icy roads). This is the third time we’ve worked with Gasline Mechanical. They’ve been great to work with.

Judy F.

Wakefield / The Evans Company
Ed and I were talking today about the salon and Gasline’s part in this project and other past projects. You guys are the best. From John on down, your company always does great work and your crew is first rate and a pleasure to work with. You guys are truly full service!!! Thank You!!Thought You Should Know,

Pat T.
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Bothell, WA