Demers Heating and Cooling stands on a foundation of integrity, quality, and veteran dedication. Proudly serving Southeast Michigan, we bring years of hands-on experience and a passion for customer comfort to every heating, cooling, and indoor air quality project. As a veteran-owned and operated company, our team combines technical expertise with a neighborly approach to service—treating your home or business with respect and care.

Our Mission

Our mission is to keep homes and businesses across Southeast Michigan comfortable, efficient, and safe no matter what the weather brings. We deliver personalized solutions, attentive service, and a commitment to getting the job done right, every time.

Our Values

• Service: We approach every job as an opportunity to help our community, putting your needs and comfort first.
• Quality: We use industry-leading equipment, skilled technicians, and time-tested processes for reliable, long-lasting results.
• Integrity: You can expect clear communication, honest recommendations, and transparent pricing—never upsells you don’t need.
• Responsiveness: We know HVAC issues can’t wait; that’s why we respond quickly and keep you informed every step of the way.
• Respect: We take care of your property as if it were our own, leaving it clean and comfortable.

Our Team

Our specialists are certified, background checked, and highly trained in the latest HVAC technology and safety standards. We encourage ongoing education so we can recommend the most efficient, up-to-date solutions for your comfort and budget.

Your Experience

From your first call to final walkthrough, we make it easy and stress-free to get the heating, cooling, and indoor air quality solutions you need. Our reputation is built on referrals and satisfied customers throughout Harrison Township and the surrounding communities. Discover the Demers difference—comfort and service you can rely on.