Save $50 On HVAC,
Plumbing, Or Electrical Repair!
Whether it’s an HVAC, plumbing, or electrical issue, SAVE $50 on professional service. Book now and enjoy expert help at a better price! *Discount for HVAC, plumbing, or electrical service only. Click or call for full details & exclusions.
About LSM Inc.
Locally Owned Since 1940
- Industry Leading Customer Services
- Fair & Consistent Pricing
- Well Known Reputation For Honesty
Come See Us At This Year's
Whatcom County Home & Lifestyle Show
Come see us at this year’s Whatcom County Home & Lifestyle Show! They will have Home Show Special Offers including discounts on High Efficiency Furnaces, Water Heaters, Gas Fireplaces, Stoves, Inserts and Generators, and more!
HOW CAN WE HELP?
Our Services
Trusted HVAC, Plumbing & Electrical Experts in Bellingham & Marysville, WA
Serving Washington homeowners since 1940, LSM Inc. provides dependable heating, air conditioning, plumbing, electrical, and custom metal fabrication services in Bellingham and Marysville. Our licensed technicians deliver top-tier workmanship with a personal touch—large enough to handle complex jobs, small enough to care about every customer. Whether you need HVAC repair, a new water heater, or emergency plumbing service, we’re here to help.
Contact our Bellingham and Marysville team today for fast, affordable service you can trust.
- Plumbing Services
- HVAC Services
- Electrical / Generators
- Hearth Services
- Refrigeration Services
- Metal Fabrication & Welding
- Commercial HVAC Services
Trust Our Experts
Why Choose LSM Inc.
Lynden Core Values
Our mission is to deliver honest, high-quality work with integrity, treating every customer, teammate, and partner with respect. We strive to raise the bar in everything we do and put people first—because doing the right thing and building lasting relationships is at the heart of our success.
- Integrity – Always act with honesty, transparency, and accountability. Do the Right Thing, Always – Even when no one’s watching. We choose fairness over shortcuts. When problems arise, we deliver solutions, not excuses
- Excellence – Strive for the highest quality in every product, service, and interaction. Raise the Bar Every Time – We don’t settle for “good enough” — We deliver work we’re proud to put our name on.
- Innovation – Embrace creativity, adaptability, and continuous improvement. Think Bold, Move Fast – We welcome fresh ideas, adapt quickly, and turn challenges into opportunities.
- Respect – Treat customers, employees, and partners with dignity and fairness. People Over Profits – We treat customers, teammates, and partners like family, because relationships outlast transactions.
Need to Pay Your Bill?
Testimonials
Limited Time
Special Offers
Save $2,000!*
For a limited time, save $2000 OFF Any Complete Heat Pump or AC System Install!
Upgrade your comfort and efficiency! Save big on a complete heat pump or AC system installation.
*Click or call for full details and exclusions.
$99 Off Tankless Water Heater*
For a limited time, save $99 on a tankless water heater for your home.
*Click or call for full details and exclusions.
SOME OF OUR
Quality Brands
Ready to Get Started?
Contact Us for Expert Service
You can rest assured knowing that our team will stand by their work and your satisfaction is 100% guaranteed with us. We treat your family like our family.
