Reliable Commercial, Industrial, Residential Plumbing & HVAC Solutions Since 1947

Timmins’ Go-To Experts For Complete Mechanical Applications Trusted For Over 75 Years

Family-Owned and Operated for Over Three Generations

At N. Lacroix Plumbing & Heating, we take pride in providing top-tier commercial plumbing, heating, cooling, and refrigeration services to businesses in Timmins, Ontario, and the surrounding areas. Since 1947, our 3rd generation, family-owned business has built a reputation for delivering exceptional quality and dependable service.

Trust our team to keep your business running smoothly with expert care and unmatched reliability.

Now Offering Napoleon Fireplaces

We now offer Napoleon Fireplaces, a premium brand known for high efficiency, unique design, and long lasting quality. Our team provides full-service supply and professional installation, delivering reliable warmth and a flawless finish for homes and businesses. New display models are arriving in our showroom soon. Explore our extensive Napoleon catalogue of sizes, finishes, and fuel types available as electric or gas options in the product tab.

Our experienced team will recommend fireplace options that blend with your style and budget, backed by trusted service and expert installation.

Visit us to find the perfect Napoleon Fireplace for your space.

""They did an excellent job and were very pleasant. I have been looking for someone to fix my leak for a long time. They had it fixed in an hour. Impressed!""

-Darlene M.
"I am very thankful for their service and expertise. I am having them return for more work due to great customer service. Fees were told to me before arrival which was awesome."

-Andre B.
"Fast, efficient and professional service. Install of hose hookup only took about an hour. Very happy. Highly recommend!"

-Marjo C.
Maybe you have a creative project to share with the world

Quote Source

Commercial Plumbing & HVAC Services You Can Trust

With decades of hands-on experience, we specialize in installing, repairing, and maintaining complex systems for businesses of all sizes. No matter the challenge, our team is equipped with the expertise and tools to get the job done right the first time.
Our comprehensive services include:

Plumbing

Expert maintenance, repairs, and installations to ensure your systems operate efficiently and reliably for your business.

Learn more

Cooling

Professional cooling solutions that include installation, repair, and maintenance to ensure performance and comfort in every season.

Learn more

Heating

Comprehensive services, from repairs to new installations, designed to keep your spaces consistently warm and energy-efficient.

Learn more

Refrigeration

Dependable services tailored to your business needs, from walk-in coolers to specialized systems, ensuring consistent performance.

Learn more

Trust the experts at N. Lacroix Plumbing & Heating - give our team a call at (705) 267-7887!

Your Residential Comfort Experts

At N. Lacroix Plumbing & Heating, we’re proud to extend our expertise to homeowners in Timmins, Ontario. With decades of experience, our team delivers reliable and efficient residential heating and cooling solutions tailored to keep your home comfortable year-round.

Air Conditioning: Stay cool and comfortable during the summer months with our expert air conditioning repairs, tune-ups, and installations.
Furnaces: From diagnosing issues to complete installations, we provide dependable services to keep your heating system running at its best.
Heat Pumps: Whether you need installation, maintenance, or repair, our heat pump services ensure your system operates efficiently through all seasons.
Fireplaces: Keep your home cozy with our professional fireplace maintenance and repair services. We’ll ensure your fireplace is safe, functional, and ready to warm your home.
Plumbing: Whether you need installation, maintenance, or repairs, our residential plumbing services ensure your home’s water systems run smoothly, safely, and efficiently year-round.
Radiant Heat: Install and maintain hydronic and electric in-floor or panel systems that deliver soothing, even warmth without drafts or noise, while also reducing energy bills—ideal for allergy sufferers and comfort-seekers.
Ventilation: Design, install, and service mechanical and natural ventilation systems including smart heat-recovery options that ensure fresh, healthy air, control humidity, minimize odors, and reduce allergens for year-round indoor comfort.