Professional Furnace Replacement Services

When your furnace can no longer keep up with your home’s heating needs, replacing it may be the best long-term solution. At Mulligan Heating Inc., we provide reliable furnace replacement services for homeowners and businesses, helping you upgrade to a system that is more efficient, dependable, and built to last.


Since 1955, our family-owned company has been helping customers make confident decisions about their heating systems. We understand that replacing a furnace is a big investment, which is why we focus on clear communication, honest recommendations, and solutions that truly fit your needs, not pressure or unnecessary upsells.


Call (248)-698-9700 today to schedule your free estimate for furnace replacement.

When Is It Time to Replace Your Furnace?

Many homeowners aren’t sure whether to repair or replace their furnace. While repairs can fix short-term issues, there comes a point when replacement becomes the smarter and more cost-effective choice.


Signs You May Need a Furnace Replacement

  • Your furnace is 15–20 years old.
  • Frequent or costly repairs.
  • Rising energy bills without explanation.
  • Uneven heating throughout your home.
  • Strange noises or ongoing performance issues.
  • Your system struggles to keep up during cold weather.

Our Furnace Replacement Services

At Mulligan Heating Inc., we handle the entire furnace replacement process from start to finish. Our goal is to make the experience as smooth and stress-free as possible while ensuring your new system is installed correctly.


What Our Replacement Services Include

  • In-home system evaluation
  • Recommendations based on your home and budget
  • Removal of your old furnace
  • Professional installation of your new system
  • System testing to ensure proper operation

Our Simple Furnace Replacement Process

Step 1: Request a Free Estimate

Call (248)-698-9700 or submit an appointment request. We’ll schedule a time to evaluate your current system.

Step 2: In-Home Assessment

A technician will inspect your furnace and discuss your heating needs, home size, and budget.

Step 3: Honest Recommendations

We provide clear options and explain the benefits of each system so you can make an informed decision.

Step 4: Professional Installation

Once you choose your system, our team completes the installation efficiently and ensures everything is working properly.

Why Choose Mulligan Heating Inc. for Furnace Replacement

Choosing the right company for your furnace replacement is just as important as choosing the system itself. At Mulligan Heating Inc., we bring decades of experience and a strong commitment to quality.

  • Serving Since 1955 – Trusted for generations
  • Family-Owned and Operated—Personalized, local service
  • Certified Technicians – Skilled and experienced professionals
  • Honest Recommendations – No pressure, just real solutions
  • Quality Installation – Done right the first time
  • Reliable Support—We're here before and after the job

Financing Options Available

We understand that a new furnace is a significant investment, which is why we offer financing options to help make the process more manageable.

  • Financing available for furnace replacements
  • Flexible payment options (upon approval)


Our team can walk you through your financing options and help you find a plan that works for your budget.

Warranty Coverage for Your New Furnace

When you invest in a new furnace, you want peace of mind knowing it’s protected. Mulligan Heating Inc. offers strong warranty coverage to give you confidence in your new system.

  • 1-year labor warranty
  • 5-year parts warranty
  • Optional extended warranties up to 10 years


We’ll explain all warranty options so you know exactly what’s covered.

Energy Efficiency and Long-Term Savings

A new furnace isn’t just about comfort; it’s also about efficiency. Modern systems are designed to use less energy while providing better performance.


Benefits of upgrading your furnace include:

  • Lower monthly energy bills
  • More consistent heating
  • Improved system reliability
  • Reduced risk of breakdowns



Over time, these savings can make a big difference.

Frequently Asked Questions

  • Do you offer free estimates for furnace replacement?

    Yes, we provide free estimates so you can understand your options before making a decision.

  • How long does furnace replacement take?

    Most installations can be completed within a day, depending on the system and setup.

  • Do you offer financing?

    Yes, financing is available for furnace replacements (subject to approval).

  • What warranties do you provide?

    We offer a 1-year labor warranty, 5-year parts warranty, and extended options up to 10 years.

Schedule Your Furnace Replacement Estimate Today

Call (248)-698-9700 today to schedule your free estimate for furnace replacement.

Let us help you stay warm with a system you can depend on for years to come.

Furnace Replacement Service Near You

Addison Township MI

Ann Arbor MI

Auburn Hills MI

Berkley MI

Beverly Hills MI

Bingham Farms MI

Birmingham MI

Bloomfield Hills MI

Bloomfield MI

Bloomfield Township MI

Brighton MI

Clarkston MI

Clawson MI

Commerce Township MI

Davisburg MI

Detroit MI

Drayton Plains MI

Farmington Hills MI

Farmington MI

Fenton MI

Ferndale MI

Goodrich MI

Grand Blanc MI

Hamburg MI

Hartland MI

Hazel Park MI

Highland MI

Holly MI

Huntington Woods MI

Keego Harbor MI

Lake Orion MI

Lakeville MI

Linden MI

Livonia MI

Madison Heights MI

Milford MI

New Hudson MI

Northville MI

Novi MI

Oak Park MI

Oakland MI

Ortonville MI

Oxford MI

Pleasant Ridge MI

Plymouth MI

Pontiac MI

Redford MI

Rochester Hills MI

Rochester MI

Royal Oak MI

Salem MI

Saline MI

South Lyon MI

Southfield MI

Troy MI

Union Lake MI

Walled Lake MI

Waterford MI

Waterford Township MI

West Bloomfield MI

White Lake MI

Whitmore Lake MI

Wixom MI

Wolverine Lake MI