Lynden (360) 354-3991
Bellingham (360) 922-6190
Service Dept.: 24/7
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$25 OFF Fall
HVAC Maintenance

Reliable heat starts with $25 OFF Fall HVAC Maintenance. Our expert team provides quick and affordable services. Call Today!

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$500 OFF A New HVAC
OR Special Financing!

Receive $500 off on any complete HVAC system installation or Special Financing with equal monthly payments with approved credit. Ask for details.* Upgrade your heating and cooling system today for less!
*Expires: 09/30/25. Systems include furnace / air handler AND heat pump or AC. May be subject to credit approval. Not valid with any other offers. Not valid on previous installs. Must mention this ad. 

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Save $25 On Plumbing
Or Electrical Service!

Whether it’s a plumbing issue or electrical repair, SAVE $25 on professional service. Book now and enjoy expert help at a better price! *Discount for plumbing or electrical service only. Click or call for full details & exclusions.

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(360) 354-3991

Is Your Water Heater
Leaving You In The Cold?

Lynden Sheet Metal is bringing you BIG hot water savings—Claim $100 OFF standard water heaters or $300 OFF tankless water heaters today! Enhance your home’s comfort with these limited-time discounts. *Click or call for details & exclusions.
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$25 OFF Fall HVAC Maintenance!

Reliable heat starts with $25 OFF Fall HVAC Maintenance. Our expert team provides quick and affordable services. Call Today!

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(360) 354-3991
About Lynden Sheet Metal Inc.

Locally Owned Since 1940

Since 1940, Lynden Sheet Metal Inc. has been a trusted provider of reliable heating and plumbing services in Bellingham, WA, and nearby areas. Known for quick, affordable, and dependable services, they help maintain comfortable and efficient homes and businesses.
  • Industry Leading Customer Services
  • Fair & Consistent Pricing
  • Well Known Reputation For Honesty

(360) 354-3991

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!

April 4-6th, 2025
Northwest Washington Fair & Event Center
1775 Front Street, Lynden
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HOW CAN WE HELP?

Our Services

Lynden has served Whatcom, Skagit & Snohomish counties since 1940 with a wide array of high-quality, affordable HVAC, plumbing, and metal fabrication services. We prioritize efficient service and repairs, ensuring optimal system performance and quick response to all of your heating and air conditioning needs.
HVAC Services
Metal Fabrication
Fireplaces & Stoves
Plumbing Services
Refrigeration
Electrical / Generators

Your One-Stop Shop

Lynden Sheet Metal, a trusted name since 1940, is your all-inclusive solution for heating, air conditioning, plumbing, electric, and metal fabrication services in Whatcom. We pride ourselves on offering affordable, high-quality solutions tailored to your needs—we have that “just right” feel—not too small to handle your job, or too big that you become a number. Contact our experts today! 

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83

Years of Trusted Service

60+

Service Vehicles in Fleet

365

Day a Year Service

60+

Skilled Technicians

Trust Our Experts

Why Choose Lynden

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REGULAR HVAC MAINTENANCE

Is Your System Protected?

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Testimonials

Limited Time

Special Offers

Up to $4,600 in Rebates*

Utility rebates of up to $4,600 and a $2,000 tax credit are available on select heat pump systems, and up to $950 utility rebates and a $600 tax credit on select natural gas furnaces!
*Click or call for full details and exclusions.

Free Air Filter*

Does your air filter need to be replaced? We recommend replacing your filters every 3 months. For a limited time get a FREE 1" air filter with your maintenance visit!
*Click or call for full details and exclusions.

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Quality Brands

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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.

  • 01 Call or Fill Out the Contact Form
  • 02 Request Date & Time
  • 03 Get Service Fast!

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