Clean, Consistent,
Energy Efficient

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Exclusive Local Dealer

Sault Ste. Marie's Top

Furnace Service

Ultimate Comfort with High-Efficiency Gas Furnaces Installed by Local Licensed Technicians in Algoma

Your Trusted Local Experts for All Your Heating Needs

DNM Heating & Cooling are your trusted local experts in Sault Ste. Marie for all your gas furnace needs. As the winter chill sets in, ensuring your home remains a warm and comfortable haven is essential. At DNM Heating & Cooling, we specialize in the installation, maintenance, and repair of high-efficiency gas furnaces, providing reliable and efficient heating solutions to keep your home cozy all winter long.

With the unpredictable and often harsh winters in Sault Ste. Marie, having a dependable heating system is not just a luxury but a necessity. Our team of experienced professionals understands the critical role that a well-functioning gas furnace plays in maintaining the comfort and safety of your home. We are committed to delivering top-quality service and ensuring that your furnace operates at peak performance.

Why Choose DNM Heating & Cooling?

Local Expertise

As a locally-owned and operated business, we have a deep understanding of the unique heating and cooling challenges faced by homeowners in Sault Ste. Marie. Our local presence allows us to provide personalized service tailored to the specific needs of our community. We are familiar with the local climate and common issues that can affect HVAC systems, enabling us to offer effective solutions that keep your home comfortable year-round.

Our team consists of highly trained and certified professionals who are dedicated to delivering the highest quality workmanship. Each of our technicians undergoes rigorous training and continuous education to stay up-to-date with the latest advancements in HVAC technology and techniques. This ensures that every installation, maintenance, and repair job is performed to the highest standards, guaranteeing reliable and efficient operation of your heating system.

We prioritize customer satisfaction and strive to exceed your expectations with every service we provide. From the initial consultation to the completion of the job, we ensure that you are fully informed and comfortable with every aspect of our work. Our commitment to excellence is reflected in our customer reviews and high referral rates. We value your feedback and continuously seek ways to improve our services to better meet your needs.

We offer a range of top-quality gas furnaces from trusted brands like Napoleon, ensuring reliable performance and durability. Our selection includes the latest energy-efficient models that can significantly reduce your energy costs while providing superior heating performance. Each system we install is backed by robust warranties and our satisfaction guarantee, giving you peace of mind and confidence in your purchase.

We understand that installing a new gas furnace can be a significant investment. That’s why we offer flexible financing options to make it more affordable. Our financing plans are designed to fit a variety of budgets and credit situations, allowing you to enjoy the benefits of a new, efficient gas furnace without the financial strain. Whether you need short-term financing or extended payment plans, we work with you to find the best solution.

Why Choose a Gas Furnace?

Gas furnaces are a preferred choice for many homeowners due to their efficiency, reliability, and ability to provide consistent heat. Compared to other heating systems, gas furnaces offer several advantages that make them an excellent choice for maintaining a comfortable indoor environment during the colder months.

Efficient Heating

Modern gas furnaces, such as those from Napoleon, are designed to be highly efficient, with AFUE (Annual Fuel Utilization Efficiency) ratings of up to 97%. This means that up to 97% of the fuel consumed by the furnace is converted into heat, significantly reducing energy waste and lowering your utility bills. High-efficiency furnaces are an excellent investment for long-term savings and environmental sustainability.

Gas furnaces provide consistent and reliable heating, ensuring your home remains warm even during the coldest winter days. Advanced features such as two-stage heating and variable speed motors allow the furnace to adjust its output based on the temperature needs of your home, providing even and comfortable heating without frequent temperature fluctuations.

Gas furnaces are built to last, with robust components and advanced engineering that ensure long-term reliability. Napoleon gas furnaces, for example, come with patented Vortex™ technology that enhances the efficiency and durability of the heat exchanger. These furnaces are designed to provide dependable performance for many years, backed by extensive warranties for added peace of mind.

Key Benefits of Napoleon Gas Furnaces

Napoleon gas furnaces offer state-of-the-art heating technology designed to maximize efficiency and comfort in your home. By choosing a Napoleon gas furnace, you benefit from cutting-edge features like two-stage heating, patented Vortex™ technology, and Whisper Quiet™ operation. These furnaces not only deliver consistent, even heat but also operate quietly and efficiently, making them an ideal choice for maintaining a comfortable indoor environment during Sault Ste. Marie’s cold winters. Let’s explore the key benefits that set Napoleon gas furnaces apart from the rest.

Two-Stage Heating

Napoleon gas furnaces feature two-stage heating technology, which operates at a low-fire stage for most of the heating season, providing greater efficiency and comfort. During colder days, the furnace switches to a high-fire stage to deliver additional heat. This two-stage system ensures consistent temperatures and reduces energy consumption, making your home more comfortable and your heating system more efficient.

Napoleon gas furnaces are equipped with Whisper Quiet™ technology, ensuring they operate with minimal noise. The soft start and soft stop features gradually increase and decrease the motor speed, reducing noise levels and providing a quieter, more comfortable indoor environment. This makes Napoleon gas furnaces ideal for homes where noise reduction is a priority.

Napoleon’s patented Vortex™ technology increases the efficiency of the heat exchanger by disrupting the natural airflow, extracting maximum heat from the flue gases. This innovative design enhances the overall efficiency of the furnace, reducing energy waste and lowering heating costs. The Vortex™ technology ensures that your furnace operates at peak performance, providing reliable and efficient heating throughout the winter.

Napoleon gas furnaces can be equipped with UV-C air purification technology, which uses UV-C light to eradicate airborne contaminants such as viruses, bacteria, and mold. This feature enhances indoor air quality, providing a healthier living environment for you and your family. The UV-C technology is an effective defense against common airborne threats, ensuring your home’s air remains clean and safe.

Napoleon gas furnaces offer flexible installation options, including upflow, horizontal left, horizontal right, and downflow configurations. This versatility allows for easier integration into your existing HVAC system and ensures that the furnace can be installed in various locations within your home. The modular design also simplifies maintenance and servicing, making Napoleon furnaces a convenient and adaptable choice.

Schedule Your Service Today!

Don’t let the winter cold get the best of you. Contact DNM Heating & Cooling today to schedule a consultation, maintenance service, or repair for your gas furnace. Our friendly and knowledgeable team is here to help you every step of the way, ensuring your home remains a warm and comfortable oasis. Contact us today to get started!

The DNM Guarantee

Your Satisfaction
is Our Success

At DNM Heating & Cooling, exceptional service is not just a promise—it’s our standard. As Sault Ste. Marie’s leading residential HVAC provider, we pride ourselves on exceeding expectations with our professionalism, expertise, and integrity. From expert installations to reliable repairs and comprehensive maintenance, we tailor our services to meet all your heating and cooling needs.

Our skilled team is dedicated to ensuring your HVAC systems operate at peak performance. We provide high-quality solutions at competitive prices, with a focus on transparency—no hidden fees. Our unwavering commitment to quality workmanship and customer satisfaction is why more residents trust DNM Heating & Cooling every day.

Discover why DNM Heating & Cooling is the top choice for enhancing home comfort and efficiency in Sault Ste. Marie. Join our growing community of satisfied customers today.

Why DNM?

Three simple reasons.


With decades of combined experienced serving the Sault, our team brings a deep understanding of heating and cooling systems in our climate. Our seasoned technicians are equipped with the knowledge to handle installations, maintenance, and repairs with precision and the latest technology in the HVAC industry. We ensure that every system we work on is optimized for efficiency and reliability.


At DNM Heating & Cooling, we are committed to upholding the highest standards of integrity. We build trust with our clients through clear communication, ethical business practices, and a steadfast commitment to their interests. From honest diagnostics to fair pricing, our primary goal is to provide you with the best possible service and ensure your HVAC needs are met with the utmost professionalism.


Transparency is at the core of all our interactions. DNM offers straightforward pricing with no hidden fees. We provide clear, detailed quotes, without pushy sales tactics, keeping you well-informed throughout the entire process. This clarity allows you to plan and budget with confidence, ensuring a seamless and stress-free experience from initial contact to project completion.


Any questions?

It is recommended to replace the air filter in your gas furnace every 1-3 months, depending on the type of filter and the conditions in your home. Regularly changing the air filter ensures proper airflow, improves indoor air quality, and enhances the efficiency and longevity of your furnace.

If your furnace is blowing cold air, it could be due to several reasons, such as a thermostat setting issue, a pilot light that has gone out, or a problem with the ignition system. First, check the thermostat to ensure it is set to “heat” and the fan is set to “auto.” If the problem persists, check the pilot light (for older models) or reset the ignition system (for newer models). If these steps do not resolve the issue, contact a professional technician for a thorough inspection and repair.

To improve the energy efficiency of your gas furnace, ensure it receives regular maintenance, including annual tune-ups by a professional technician. Additionally, replace the air filter regularly, seal any leaks in the ductwork, and consider upgrading to a programmable thermostat. Upgrading to a high-efficiency furnace model can also significantly reduce energy consumption and lower utility bills.

Common signs that your furnace needs repair include unusual noises (such as banging, whistling, or rattling), frequent cycling on and off, uneven heating throughout your home, a yellow or flickering pilot light, and increased energy bills. If you notice any of these issues, it is important to contact a professional technician to diagnose and fix the problem promptly.

A typical gas furnace lasts between 15-20 years, depending on usage, maintenance, and environmental factors. Consider replacing your furnace if it is over 15 years old, requires frequent repairs, has a significant decrease in efficiency, or if you notice increasing energy bills. Upgrading to a newer, more efficient model can provide better performance, lower operating costs, and improved comfort in your home.

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Part of the Family

Being a member of DNM Group means you can be assured of our dedication to maintaining the highest level of customer service and craftsmanship that stands out from the competition. We call this commitment to excellence ‘The DNM Difference,’ setting new standards in quality and reliability across all our operations.