Trusted Heating, Plumbing & Electrical Services in Whatcom, Skagit and Snohomish Counties
Heating or Plumbing Emergency? We answer around the clock.
Emergency Heating & Plumbing Support
For Generations
& Insured
Available
Warranties
Emergency Heating & Plumbing Support
For Generations
& Insured
Available
Warranties
- For Your Home
Comfort. Safety. Everything Handled.
Repairs, replacements, tune ups, and honest advice for homeowners throughout Lynden, Bellingham, Ferndale, Marysville, and Whatcom County.
- 24/7 Emergency
- For Your Business
Built for Business. Backed by Local Experts
One licensed team for property managers, contractors, restaurants, and facilities across Northwest Washington.
- Get in Touch
We Answer Around the Clock
A no heat night in the middle of winter or a burst pipe at 2am cannot wait until Monday morning. That is why our residential team is available 24 hours a day, 7 days a week, including holidays, for problems that cannot be scheduled.
We're here when you need us most.
Proudly serving Whatcom County since 1940.
Your home is in safe, professional hands.
Experts you can count on, right here at home.
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Brands We Trust
Established Heating, Plumbing & Electrical Services in Lynden, Bellingham & Marysville, WA
We have proudly served homes and businesses throughout Lynden, Bellingham, Marysville, and the surrounding communities since 1940. Our team provides heating and air conditioning services including furnace repair, AC repair, heat pump repair, and indoor air quality solutions to keep your home comfortable in every season. We also offer plumbing services such as drain cleaning, sewer line repair, and water heater replacement, along with electrical services including panel upgrades, EV charger installation, and whole house generator installation.
Serving Marysville, Lynden, Ferndale, Whatcom County, Skagit County, and Snohomish County.
What sets us apart is our long history of dependable, honest service in this community. Our skilled technicians take pride in doing the job right the first time, with fair and consistent pricing. Whether you need a quick repair or a larger installation, our team is here to help.
What Your Neighbors Are Saying About Us
From Lynden Sheet Metal to LSM Heating, Plumbing, Electric
Our roots go back to Lynden Sheet Metal, a name many longtime neighbors still remember. That business built its reputation on quality metal fabrication and honest work in this community. Over the years, we grew to offer heating, cooling, plumbing, and electrical services, and LSM Heating, Plumbing, Electric was born to reflect all the ways we now serve local homes and businesses.
The name changed, but the people and the promise behind the work did not. We still bring the same craftsmanship and straightforward approach to every job, whether it is a furnace repair or a custom metal fabrication project. It is one more reason generations of families across Whatcom, Skagit, and Snohomish counties have trusted us with their homes.
Why Choose LSM Heating, Plumbing & Electric
Since 1940, LSM Heating, Plumbing, Electric has been a trusted name in Lynden, Bellingham, Marysville, and Ferndale. As a family-owned business, we believe in treating our customers like neighbors, not numbers. Our reputation has been built on honesty, fair pricing, and a genuine commitment to doing the right thing for every customer we serve.
We are proud to be a 4.9-star rated, accredited business known for industry-leading customer service. Our team includes skilled technicians trained to handle heating, cooling, plumbing, electrical, and metal fabrication work, so customers can count on us for all of their home service needs.
What sets us apart:
since 1940
- Rose Knows
Rose, The Voice of LSM
You’ve trusted my voice on the radio for thirty years. It’s the same family, and the same promise, when our truck pulls into your driveway.
30+ Years of Whatcom County’s Voice of Comfort
Rose
LSM Family, retired owner, company spokesperson, trusted advisor
There really is a Rose. Meet the former owner and longtime familiar voice behind Rose Knows.
Practical tips and straightforward answers to common heating, plumbing and electrical questions.
Have a question? Send it our way. Whether it's about your equipment, service, your account or something else, we'll make sure it gets to the right person.
The Questions Residents Actually Ask Us
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Protect Your Home with Less Stress
Keep your heating, cooling, and other enrolled home systems maintained while enjoying added benefits throughout the year. HomeCare members receive priority scheduling, annual maintenance for enrolled equipment, and valuable savings when service is needed.
for enrolled systems
when you need service
a future system replacement
HomeCare Starts at
$15/month
- +$10/month for additional system
- $13/month for water heaters
Less Stress
Heating Maintenance for $79 with HomeCare
Join LSM HomeCare and get maintenance on your first qualifying piece of equipment for $79. Not ready for HomeCare? You can still receive $50 off maintenance on one qualifying piece of equipment.
Option 1 — Join HomeCare
$79 Flat Rate
FIRST QUALIFYING PIECE OF EQUIPMENT
- Enroll in LSM HomeCare during the promotional period
- Future annual maintenance included per HomeCare plan terms
Option 2 — No HomeCare
$50 Off
ONE QUALIFYING PIECE OF EQUIPMENT
- For customers who choose not to enroll in HomeCare
- Discount applies to one piece of equipment only
Call and schedule by September 30. Your appointment can happen later.
Special Offers
Limited Time Savings Just For You
Need Help Now?
Our team is standing by to take your call.
Areas We Serve
Services We Offer in Acme:
Services We Offer in Anacortes:
Services We Offer in Arlington:
Services We Offer in Bellingham:
Services We Offer in Birch Bay:
Services We Offer in Blaine:
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Services We Offer in Maple Falls:
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Services We Offer in Mount Vernon:
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Services We Offer in Sedro-Woolley:
Services We Offer in Skagit County:
Services We Offer in Sumas:
Services We Offer in Whatcom County:
Our Most Popular Blog

Air Conditioner Maintenance Checklist for Bellingham & Whatcom County Homes
If you want reliable cooling during Bellingham’s warmer months, AC maintenance is one of the simplest ways to prevent breakdowns, protect efficiency, and extend equipment

Heat Pump Defrost Guide for Whatcom & Skagit Homeowners
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No Hot Water or a Leaking Water Heater? What to Do in Bellingham & Whatcom County
Nothing ruins a morning faster than an icy shower or discovering water pooling around your water heater. If you’re in Bellingham, Lynden, Marysville, or anywhere